Every tool in the stack

French semantic text optimisation tool that analyses a page and suggests vocabulary and topics to add so the text better matches search-engine expectations. Interface available in French, German, English, Spanish, Italian and Portuguese.

Chinese marketing data platform offering long-tail keyword mining, industry keyword databases, Baidu ranking queries, site monitoring, an API marketplace and AI rewriting tools.

Dedicated rank tracker offering on-demand keyword position refreshes, share-of-voice metrics, Looker Studio and Search Console integrations, plus AI-answer visibility tracking.

Enterprise digital analytics platform within Adobe Experience Cloud, supporting custom segmentation, attribution modelling and cross-channel reporting.

Rank tracking and SEO reporting platform with large-scale keyword position monitoring, white-label reports and published CTR studies.

Open-source Python library for SEO and SEM workflows, including crawling with Scrapy, robots.txt and sitemap parsing, SERP APIs, log file parsing and text analysis.

Client reporting platform for marketing agencies with automated dashboards, a rank tracker, site auditor and connectors to dozens of marketing data sources.

SEO platform built on its own web crawler and link index, offering Site Explorer, Keywords Explorer, Site Audit, Rank Tracker and Content Explorer. Brand Radar adds AI-answer visibility tracking.

Add-on within Ahrefs that measures how often a brand and its competitors are mentioned and cited in AI Overviews and AI assistants, alongside traditional search visibility.

Browser extension showing on-page SEO data, redirect chains and Ahrefs link and traffic metrics for pages and search results.

Tracker that queries nine large language models with buyer prompts, scores each mention from 0 to 100 and reports daily or hourly share of voice against competitors.

AI visibility monitoring tool that queries eight large language models daily and reports a visibility score, brand mentions, sentiment and the sources those models cite. Includes share-of-voice tracking against competitors and weekly email digests.

Chinese webmaster tool site providing composite SEO diagnostics, Baidu weight and keyword ranking analysis, backlink and reciprocal-link checks, keyword mining, dead-link detection and historical site data, plus a paid data API.

Long-running WordPress SEO plugin covering metadata, sitemaps, schema, local SEO, redirects and Search Console integration.

Tool that visualises Google's People Also Ask questions as a branching tree, used for topic and content structure research.

AI visibility monitoring service tracking how often a business appears in ChatGPT and Google AI Overview answers, with citation gap analysis and weekly action plans.

Search listening tool that visualises autocomplete questions, prepositions and comparisons around a seed keyword.

AI copywriting platform with predictive performance scoring and brand voice rules, used mainly for ads and landing page copy.

Cloud platform for running and publishing web scraping and automation actors, including maintained scrapers for search results, maps and social platforms.

AI visibility analysis platform that audits how a site is represented in ChatGPT, Claude and Gemini answers and returns an optimisation playbook.

Automated long-form article generation tool that produces complete drafts from a keyword with optional scheduled publishing.

Answer engine optimisation platform tracking brand mentions across multiple AI models, with competitive intelligence, content gap analysis, citation tracking and automated recommendations.

AI search visibility tracker that monitors a defined set of buyer prompts daily across ChatGPT, Claude and Google AI surfaces, reporting visibility score, share of voice and prioritised content fixes.

High-performance crawler for large websites with a focus on link graph analysis, PageRank-style internal link metrics and reproducible technical audits.

Shopify app bundling on-page SEO fixes, structured data, image optimisation and speed improvements for merchants.

French link intelligence platform with its own crawl index, providing semantic value and induced strength metrics for pages and domains.

Microsoft's free site owner console for Bing, providing search performance data, index and crawl diagnostics, URL submission, IndexNow support and keyword research.

Reputation and customer experience platform handling review generation, listings management, messaging and surveys for multi-location businesses.

Korean keyword research tool for looking up search volume and analysing keyword demand, widely used for Naver and Google keyword work.

Enterprise marketing platform for generative search that combines AI-channel visibility measurement with tooling to influence how models describe a brand. Sold via demo request rather than self-serve plans.

Enterprise SEO platform combining crawling, log analysis, keyword data and an activation layer that renders and submits pages to search engines. Has extended reporting to AI search surfaces.

AI search monitoring tool that tracks brand mentions, citations and rankings across platforms such as ChatGPT and Perplexity, and benchmarks visibility against competitors.

Enterprise AI visibility platform measuring and optimising brand appearance across AI search engines, covering sentiment, content optimisation, technical health and publisher performance.

Web data platform providing proxy networks, a SERP API and managed datasets used for large-scale search result and web data collection.

Enterprise SEO and content performance platform with the Data Cube keyword dataset, recommendation engine and reporting for large sites. Offers generative-AI SERP tracking through its Generative Parser feature.

Local SEO platform providing local rank tracking, Google Business Profile audits, citation building and review management for multi-location businesses and agencies.

Technology lookup service and extension reporting the software, hosting, analytics and advertising stack used by a website, with lead list exports.

Outreach CRM for link building and digital PR, handling prospect discovery, contact data, email sequences and team collaboration. The pricing page presents current plan cards from $49/month while a separate feature-comparison table on the same page lists tiers from $19/month, so the entry price is ambiguous.

Content research and media monitoring tool showing engagement data for articles, trending topics, journalist profiles and brand mentions.

AI article generation service that produces long-form SEO articles in bulk from keyword lists, with WordPress and Webflow publishing.

Site speed monitoring service running scheduled Lighthouse tests, tracking Core Web Vitals and real user data with budgets and CI integration.

Answer engine optimisation platform combining agent analytics, content auditing and content production intended to increase how often a brand is recommended by AI assistants. The company announced a US$2M pre-seed round.

Chinese webmaster tool suite from Chinaz covering SEO overview queries, Baidu weight estimation, app and site ranking lookups, WHOIS, ICP filing checks, reciprocal-link verification and a data API.

Enterprise PR and communications platform with media contact databases, distribution over PR Newswire, monitoring and measurement.

Free structured data viewer that renders a page's schema markup as an interactive graph for debugging entity relationships.

Content optimisation platform that grades drafts against a term model derived from top-ranking pages, with integrations for Google Docs and WordPress.

Free, privacy-preserving analytics from Cloudflare that reports page views, referrers and Core Web Vitals without using client-side state.

French SEO platform covering rank tracking, on-page and technical analysis and backlink monitoring, sold per number of projects.

SEO toolset centred on backlink analysis and unnatural link detection, with rank tracking and a content optimisation module.

Answer engine optimisation suite covering answer-engine insights, prompt volume research, AI traffic analytics and content agents, with an optional fully managed service tier.

Enterprise organic marketing platform covering keyword and content research, technical monitoring and reporting. Absorbed ContentKing and Searchmetrics, and has added AI-search visibility reporting.

Real-time website monitoring and auditing product, originally ContentKing, that continuously tracks pages for changes and technical SEO issues and alerts on regressions.

Polish content intelligence platform with a content designer, AI writing assistant, content strategy planning, team management and reporting. Recent releases add share-of-model-voice reporting for AI answers.

Content brief workflow tool that automates SERP and audience research into structured briefs and tracks content grading through production.

AI content and go-to-market workflow platform used for generating marketing copy, blog drafts and sales messaging at scale.

Open-source web scraping and crawling library for JavaScript and Python that handles request queues, proxy rotation, blocking mitigation and headless browsers, usable for building custom SEO crawlers.

Free Looker Studio template built on the public Chrome UX Report BigQuery dataset, charting a site's monthly Core Web Vitals field data.

Automated marketing reporting tool producing white-label dashboards from SEO, PPC, social and analytics data sources.

Lightweight content optimisation tool producing keyword reports, briefs and a content score, with monitoring of published page performance.

Business analytics and dashboard platform aggregating marketing, sales and product metrics from many sources with goal tracking and alerts.

API-first SEO data provider offering SERP, keyword, backlink, on-page, business listing and traffic APIs on a pay-as-you-go model, with an official MCP server.

Website speed monitoring platform combining synthetic Lighthouse tests, real user monitoring and third-party script analysis with alerting and CI checks.

Free browser extension that surfaces a page's titles, meta tags, headings, canonical, schema, hreflang and indexability in a single panel.

Spanish-language SEO suite with rank tracking, keyword clustering, cannibalisation detection and internal linking analysis.

Open-source search and observability stack (Elasticsearch, Logstash, Kibana) commonly self-hosted to ingest and visualise server logs for crawl budget analysis.

AI brand visibility platform that repeatedly samples model responses across ChatGPT, Claude, Gemini, Perplexity, Copilot and others to measure how brands are represented, and supports advertising in AI conversations.

Trend discovery service that surfaces topics and products with rapidly rising search interest across categories.

Generative search rank checker that returns per-engine positions for Google AI Overviews, ChatGPT, Perplexity, Gemini, Meta and Claude and aggregates them into a Share of AI Voice score.

Privacy-first, cookie-free website analytics service with simple dashboards, uptime monitoring and EU data isolation options.

Web data API that scrapes, searches, maps and crawls sites and returns clean markdown or JSON for AI pipelines. Open source, with an officially documented MCP server used for GEO monitoring and content-extraction workflows.

Content research, brief creation and optimisation tool with AI drafting, SERP analysis and monitoring of content performance in AI search.

Marketing data platform that collects, normalises and exports cross-channel campaign and web data to BI tools and warehouses.

AI visibility platform that runs tracked prompts daily against ChatGPT, Google AI Overviews, AI Mode, Gemini, Perplexity and Microsoft Copilot, with sentiment analysis, an action centre and an agency mode. A separate module measures what coding agents recommend.

AI search platform for marketing teams covering mention tracking, competitive positioning and content optimisation for conversational search results.

AI and LLM search analytics tool for generative engine optimisation, tracking visibility across multiple answer systems with competitor comparison, prompt suggestions and scheduled tasks. Sold on credits or subscription.

Trend analysis product that augments Google Trends with absolute search volumes, forecasts and demographic breakdowns via an extension and web app.

Open-source real-time web log analyser and interactive viewer that runs in a terminal on Unix-like systems or renders an HTML dashboard in the browser, with JSON output for further processing.

Answer engine optimisation suite covering prompt research, visibility monitoring, optimisation actions, analytics and attribution, plus an agentic commerce module. Ships an official MCP server and free tools including an LLMs.txt generator.

Google's event-based web and app analytics platform, used for measuring organic sessions, conversions and channel attribution, with a free tier and a paid 360 version.

Serverless cloud data warehouse used in SEO for storing bulk Search Console exports, crawl data, log files and the Chrome UX Report public dataset.

Google's free product for managing a business listing across Search and Maps, covering hours, categories, photos, posts, messaging and reviews.

Keyword research tool inside Google Ads that returns search volume ranges, forecasts and keyword ideas sourced from Google's own advertising data.

Google's free tool for checking whether a page's structured data is eligible for rich results, with rendered HTML inspection and error reporting.

Google's own robots.txt parser and matcher released as an open-source C++11 library, used as the reference implementation of how Googlebot interprets robots.txt directives.

Google's free property for site owners, reporting search impressions, clicks, positions and queries, plus index coverage, URL inspection, sitemaps and Core Web Vitals data.

Free public tool showing relative search interest over time and by region, with related queries and rising topic data.

Free and open-source desktop SEO crawler for Linux, macOS and Windows that performs technical audits and exports crawl data.

Page performance testing service reporting Lighthouse-based scores, waterfall charts and video playback of page loads, with scheduled monitoring on paid plans.

French SEO tool built on a French-language keyword and SERP database, with a keyword explorer, site explorer, project tracking, daily rank monitoring, expired-domain discovery and backlink analysis.

LLM mentions API that sends a prompt to multiple AI engines and returns structured results with brand mentions, sentiment classification, citations and aggregate visibility scores. Sold as prepaid credits.

Free tool by Aleyda Solis that builds valid hreflang annotations for HTML, HTTP headers or XML sitemaps from a list of localised URLs.

Free bulk URL checker that reports HTTP status codes and full redirect chains for lists of URLs.

Free one-time brand visibility check that scores how ChatGPT, Perplexity and Gemini represent a brand across sentiment, presence quality, recognition, share of voice and competition.

Email finding and verification service with domain search, bulk lookups, an API and a lightweight cold outreach campaign tool.

Enterprise marketing data pipeline and analytics platform aggregating hundreds of marketing sources into a governed warehouse layer.

Open protocol backed by Microsoft Bing, Yandex, Naver and Seznam that lets sites notify participating search engines immediately when URLs are added, updated or deleted.

Entity-based SEO tool that builds a topical model of a site, automates internal linking between related pages and generates schema markup.

WordPress plugin that automatically builds internal links by matching configured keywords to target posts and pages.

AI content platform for marketing teams with brand voice controls, campaign workflows, templates and integrations, sold per seat.

Cloud crawler and log analyser aimed at large websites, with fast crawling, log file processing and Search Console data joins.

Open-source Go crawling and spidering framework from ProjectDiscovery with both standard and headless-browser modes, used for URL discovery and JavaScript-rendered link extraction.

Keyword research tool aimed at content publishers that filters out low-value queries and estimates ranking difficulty for long-tail terms.

On-page SEO analyser and semantic optimisation tool that scores relevance, quality and intent against models used by search engines, targeting both classic results and AI answers.

Keyword clustering and search intent tool that groups large keyword lists by SERP overlap and generates content briefs from the resulting clusters.

Autocomplete scraping tool that generates keyword suggestions for Google, YouTube, Amazon, Bing, App Store and other platforms.

Rank tracking service with daily updates, white-label dashboards and client sharing features, positioned for agencies.

Browser extension that overlays search volume, CPC and competition data onto Google and other sites, sold on a credit-based model. The entry Bronze plan is priced at $84 per year, not per month.

Dashboard and data analytics platform that combines marketing and business data sources into custom visualisations and PowerMetrics.

AI search visibility platform monitoring brand presence across seven AI engines, with competitive analysis, content gap identification and AI drafting agents.

AI writing tool producing SEO-oriented long-form articles and product roundups, with real-time data and affiliate link insertion.

Keyword research tool in the Mangools suite providing search volume, keyword difficulty and long-tail suggestions with a SERP overview.

Keyword research tool and API covering keyword discovery, People Also Ask questions, search volume, SERP features, URL keyword analysis and topic research, aimed at programmatic SEO workflows.

Open-source MIT-licensed MCP server built on LibreCrawl that exposes 37 crawling and auditing tools with more than 50 technical SEO checks, unlimited page counts and ephemeral storage, for use from Claude, Cursor or Codex.

Open-source auditing tool built into Chrome DevTools and available as a CLI and Node module, scoring performance, accessibility, best practices and SEO.

Open-source tooling from the Google Chrome team that runs Lighthouse on every commit, stores the results, compares them between builds and fails CI when performance, accessibility or SEO scores regress.

Open-source MCP server that lets AI agents run Google Lighthouse audits, exposing tools for performance, accessibility, SEO and security analysis of a given URL.

Generative search optimisation platform aimed at improving how a site is surfaced and ranked inside AI answers.

Free extension from LinkResearchTools that traces redirect chains and reports rel attributes, HTTP headers and link status.

WordPress plugin that suggests and inserts internal links automatically as content is written, and reports on orphaned pages and link distribution.

Open-source Python command-line tool that checks links in web documents or across full websites, with recursive crawling, several output formats and an optional WSGI web interface.

Link auditing and risk analysis platform aggregating multiple backlink sources, with detox and disavow workflows and link opportunity discovery.

Internal linking platform that crawls a site, visualises its link graph and recommends contextual internal link opportunities at scale.

Website monitoring service that runs over thirty recurring checks including domain and SSL expiry, redirects, content changes, robots directives and Core Web Vitals, with alerting.

AI search analytics tool tracking keyword-level brand visibility, share of voice and citations across ChatGPT, AI Overviews, Perplexity, Claude and Gemini, with geo-targeting across many countries.

Geo-grid local rank tracker that plots Google Business Profile rankings across a map of nearby points, with competitor and AI-answer visibility reporting.

AI writing assistant focused on fact-checked long-form content, with research, claim verification and SEO optimisation features.

Google's free reporting and dashboarding tool, widely used to visualise Search Console, GA4 and third-party SEO data via connectors.

Keyword research tool that identifies long-tail queries with weak sites ranking in the SERP, sold on a credit model.

Enterprise website intelligence platform, formerly DeepCrawl, providing large-scale crawling, technical SEO monitoring, accessibility testing and automated protection against site regressions.

Backlink index and analysis service built on its own web crawl, known for the Trust Flow and Citation Flow metrics and topical trust categories.

Bundle of five lightweight SEO tools: KWFinder, SERPChecker, SERPWatcher, LinkMiner and SiteProfiler, aimed at freelancers and small businesses. Publishes an official Mangools MCP server, in beta, that exposes keyword research, SERP analysis, rank tracking and backlink data to AI assistants such as Claude and Cursor.

Content planning and optimisation platform that builds topic models, identifies content gaps and generates briefs based on site-level topical authority analysis.

Open-source web analytics platform available self-hosted or as a cloud service, offering full data ownership, heatmaps, session recording and search keyword reporting.

Free web tool that produces JSON-LD structured data snippets for common schema types such as Article, Local Business, FAQ and Product.

Backlink monitoring service that alerts on lost and new links, tracks anchor text and supports disavow file management.

French daily Google position tracker sold as a single modular offer priced by keyword count, tracking the top 50 results by default and capturing Google AI Overviews including asynchronously loaded ones. API and Looker Studio access are included.

SEO tool with a gamified interface that scores a site's organic visibility and estimates the monetary value of rankings, aimed at small businesses.

Backlink research tool built on Moz's Link Index, reporting Domain Authority, Spam Score, anchor text and linking domain data.

Listing management service that distributes and syncs business information to major directories and aggregators, with review monitoring.

SEO software suite providing keyword research, rank tracking, site crawl and the Link Explorer backlink index. Known for the Domain Authority and Page Authority metrics.

Moz browser extension overlaying Domain Authority, Page Authority and link metrics onto search results and web pages.

Public relations platform with a journalist database, media monitoring, pitching workflows and coverage reporting.

French SEO and SEA analytics tool for tracking search visibility and paid presence, running competitive visibility audits and combining project data into SEO analytics reports.

Desktop bulk analysis tool that aggregates SEO metrics, traffic estimates and indexation status for lists of URLs and domains from multiple APIs.

Desktop SEO crawler for on-page audits, detecting broken links, duplicate content, redirect chains and other technical issues, with multi-domain scraping support.

NLP-based content editor that recommends terms and structure from competitor SERP analysis, with AI drafting and internal link suggestions.

Rank tracking and site auditing platform with granular location-based tracking, custom reporting and backlink monitoring.

AI answer tracking feature inside Nightwatch that monitors brand appearance in AI Overviews and chat assistants alongside classic rank tracking.

Rank tracking platform that stores the full SERP for every tracked keyword, enabling pixel-depth, SERP feature and share-of-voice analysis, with BigQuery data delivery.

AI visibility platform built for agencies, with multi-client tracking, white-label reporting and prompt intelligence covering prompt search volume, difficulty and trends.

Open-source SEO and AEO module collection for the Nuxt framework, bundling robots, sitemap, OG image, Schema.org, link checker, SEO utils and site config modules, alongside free web tools such as a robots.txt validator and sitemap validator.

Technical SEO platform combining a large-scale crawler, server log file analysis and integration with ranking and analytics data for enterprise sites.

Self-hosted open-source Google Search Console dashboard with rank tracking, keyword research, AI visibility audits and a content suite, plus a 40-tool MCP server so AI clients can query the data directly. Runs on the user's own server and API keys.

AI search monitoring tool that tracks brand mentions, links and sentiment in AI chat answers and AI Overviews for a defined set of prompts.

AI content workflow platform covering keyword clustering, brief generation, drafting and on-page optimisation with fact-based writing controls.

Proxy and web scraping infrastructure provider with a dedicated SERP Scraper API returning structured search results at scale.

On-page optimisation tool that produces per-page term and structure recommendations based on statistical comparison with competing pages.

German SEO and content platform sold as modular suites: an SEO Suite for monitoring and on-page optimisation, a Content Suite for writing assistance and an AI Suite that analyses brand visibility in ChatGPT, Gemini and Perplexity.

Google's free page performance tool combining Lighthouse lab diagnostics with field data from the Chrome UX Report, reporting Core Web Vitals for a URL or origin.

AI search analytics platform that lets marketing teams track brand visibility, citations and competitor share across ChatGPT, Perplexity and Gemini.

AI visibility and analytics tool for agencies and brands, tracking prompts, competitors, cited sources and gap analysis, with Search Console integration, content briefs and Looker Studio export.

Enterprise search intelligence platform focused on long-term ranking data, content cannibalisation analysis and commercial forecasting from search visibility.

Uptime and performance monitoring service with synthetic page speed tests and real user monitoring, part of SolarWinds.

Influencer and link building outreach platform with prospecting, personalised email sequences, follow-ups and reporting, integrated with major backlink data providers.

Privacy-oriented analytics suite with tag management, consent management and customer data platform features, aimed at regulated industries.

Open-source, privacy-focused web analytics with a lightweight script, cookie-free tracking and simple traffic and referral reporting, available as cloud or self-hosted.

Collection of local SEO utilities and Google Business Profile audit tools, including category research and listing diagnostic checks.

Service that pre-renders JavaScript-heavy pages and serves static HTML snapshots to search engine and AI crawlers to improve indexability.

Rank tracking service supporting desktop, mobile, local and video results with white-label reporting and an API.

Answer engine optimisation platform that tracks how brands appear in ChatGPT, Perplexity, Google AI Overviews and other AI systems, with citation analysis, competitive benchmarking and AI traffic attribution.

AI visibility tracker that runs prompts daily across ChatGPT, Claude, Gemini and Perplexity, reports brand mentions and lists the sources those models cite, including sources that omit the brand.

PR software for building media lists, sending pitches, hosting online press rooms and tracking coverage, owned by Semrush.

Open-source Python tool and CLI that crawls a site, analyses its structure, counts body-copy terms and warns about common technical SEO issues.

Unofficial open-source Python client for Google Trends, used to pull interest-over-time, regional interest and related query data programmatically.

AI brand tracking tool that monitors how often a brand appears in AI search results, analyses what models say about it, and lets users manage custom tracked prompts.

WordPress SEO plugin with on-page analysis, schema templates, redirections, Search Console integration and a modular feature set, free with paid Pro tiers.

Rank tracking and SEO reporting platform, now part of Similarweb, known for its SERP feature monitoring and the Rank Risk Index volatility tracker.

AI visibility tracker covering more than seventeen generative search engines, with visibility scores, citation and sentiment analysis, page audits and prompt research on a credit-based model.

French SEO tool focused on the French market, covering visibility audits, competitive benchmarking, keyword generation and backlink analysis, with an API, Looker Studio reporting and an MCP server for AI clients.

SEO and marketing reporting platform for agencies, bundling a site auditor, rank tracker and multi-channel white-label report builder.

Free Chrome extension from Ayima that flags HTTP status codes and shows the full redirect chain for the current URL.

Free WordPress plugin for managing 301 redirects and monitoring 404 errors, with regex support and import/export.

Open-source headless Chrome rendering service from the Google Chrome team, used to serve pre-rendered markup of JavaScript applications to crawlers. The repository is archived and no longer actively maintained.

Agency reporting software producing white-label marketing reports and dashboards across SEO, PPC, social and analytics channels.

Link building and outreach platform combining prospecting, email finding and automated sequences, now sold on a pay-per-placement basis.

SEO and AI search analytics platform with rank tracking for Google and Yandex, an AI results tracker, keyword research, content optimisation, site audits and robots.txt monitoring. Priced per plan with per-task credit costs.

Website quality platform from Germany covering technical website analysis, content optimisation, search performance data and website accessibility checks.

Low-cost AI writing assistant with templates and tone controls for short-form marketing and blog copy.

AI-assisted content marketing platform with keyword planning, cruise-mode article generation and on-page optimisation scoring.

Enterprise structured data platform for authoring, deploying and maintaining schema markup and a connected content knowledge graph across large sites.

Validator hosted by Schema.org that checks structured data syntax and vocabulary conformance independently of any single search engine's requirements.

Managed scraping API handling proxies, browsers and CAPTCHAs, with structured endpoints for Google search, shopping and other targets.

Web scraping API with headless browser rendering and proxy rotation, including a dedicated Google search results endpoint.

Open-source Python framework for extracting data from websites at scale, commonly used to build bespoke SEO crawlers and SERP or content data pipelines. Maintained by Zyte with hundreds of contributors.

Desktop application for importing and analysing server log files to study search engine crawl behaviour, response codes and crawl frequency by URL.

Open-source headless MCP server that wraps the Screaming Frog SEO Spider command line, letting AI agents start crawls and export or analyse crawl data for scheduled audits and CI use. Community project, not published by Screaming Frog.

Desktop website crawler for technical SEO audits, covering broken links, redirects, duplicate content, directives, structured data, JavaScript rendering and integrations with Search Console and analytics. Free up to 500 URLs.

AI customer experience platform that monitors brand presence across LLMs, analyses how AI agents interpret a site and serves AI-optimised page variants through its Agent Experience Platform.

SEO platform aimed at agencies and small teams, combining rank tracking, competitor and keyword research, website audit, backlink monitoring and white-label reporting. Includes an AI visibility tracker. Publishes an official SE Ranking MCP server that exposes its live SEO data to AI assistants (seranking.com/mcp.html). Standalone API plans start at $179/month billed annually; platform subscription plans are priced separately.

Module within SE Ranking that tracks brand and competitor mentions in AI Overviews and AI chatbots for a set of monitored prompts.

Real-time SERP API covering Google, Bing, YouTube, Amazon and other engines with structured JSON responses.

AI visibility tracking and optimisation platform for SMBs, covering ChatGPT, Google AI Overviews, Perplexity, Claude and Gemini, with recommended actions and optional managed-service add-ons.

Enterprise search and content analytics platform, known for its visibility index and content experience suite; acquired by Conductor in 2023.

Enterprise SEO and GEO A/B testing platform that splits page templates into control and variant groups to measure the causal traffic impact of site changes.

Search visibility platform that tracks a brand across Google, ChatGPT, Perplexity and Gemini, runs site audits and drafts content. Includes citation and sentiment analysis and a WordPress integration on higher tiers.

French content performance platform that scores drafts, prioritises pages to update and forecasts traffic gains from content optimisation.

Cloud SEO and digital marketing suite covering keyword research, position tracking, site audit, backlink analysis, paid search and content tooling. Also sells an AI visibility toolkit that tracks brand mentions in LLM answers.

Semrush module for AI search visibility, reporting brand mentions, sentiment and share of voice across major AI assistants together with prompt-level analysis.

Polish SEO and content marketing tool offering keyword suggestions, search-engine visibility research and rank tracking, with free keyword utilities. Interface in Polish and English.

Verified-context layer for AI agents that ingests a company's source-of-truth documents, evaluates and remediates AI answers, and publishes verified content. Tracks citations across models including OpenAI, Gemini and Amazon Nova. Y Combinator W24.

Polish SEO and content marketing platform covering visibility analysis, a keyword database, SERP analysis, rank tracking, a content planner and an AI writer. Publishes an official MCP server and an API. Interface in Polish, English and Romanian.

Open-source TypeScript local-first CLI and MCP server exposing more than 70 SEO audit tools that run against the user's own crawl, Google Search Console and GA4 data.

Free browser extension for on-page analysis, broken link checking, SERP previews and hreflang inspection.

Free Chrome extension displaying on-page SEO elements, structured data, hreflang and Search Console data for the current page.

Collection of 82 free browser-based SEO and AI tools including a keyword tool, rank checker, backlink checker and domain authority checker, backed by a paid SEO API. The vendor also publishes an MCP server for its API.

Italian SEO platform offering an on-page SEO checker, site audit spider, keyword explorer, rank tracker, SERP checker, white-label reports and an AI writing assistant. Interface available in English, Italian, Spanish, Polish and French.

German SEO suite offering website crawling and on-page audits, rank tracking, backlink analysis and a set of free online SEO checkers.

Enterprise SEO platform combining rank tracking at scale, a site crawler, content optimisation (Content Fusion) and data warehouse style access to keyword and ranking data.

Open-source Python library for running automated SEO regression checks against staging environments as part of a deployment pipeline.

Log analysis and crawl monitoring service that streams server logs to show real-time search engine bot activity, crawl budget and page category performance.

SEO platform for agencies combining rank tracking, forecasting and business-case reporting to connect rankings to revenue estimates.

WordPress SEO plugin offering metadata control, schema, sitemaps, redirects and white-label options, with free and Pro versions.

Free Semrush browser extension showing SEO metrics for pages and SERPs, with on-page audits, keyword density and SERP data export.

Italian SEO suite focused on the Italian-language market, covering keyword research, rank tracking, competitor analysis and editorial planning. The site blocked automated access at the time of checking, so pricing could not be read.

Real-time search results API covering Google and many other engines, returning structured JSON for organic results, SERP features, maps, shopping and more.

Low-latency Google search API returning structured results, widely used as a retrieval layer for LLM applications.

Open-source tool that retrieves structured search results for SEO and research, available as a Python package, CLI, Docker image and MCP-compatible server. Results preserve source engine, rank, URL, title, snippet and result type.

Growth-hacking and SEO platform with keyword research, competitor analysis, rank tracking, site audit and backlink data, plus an API for bulk data pulls.

Rank tracker within the Mangools suite, reporting keyword positions and a Dominance Index summarising overall visibility change.

Digital intelligence platform estimating website and app traffic, audience behaviour, referral sources and market share. Has added reporting on traffic and referrals originating from AI assistants.

Privacy-focused analytics service that avoids cookies and personal data collection, with straightforward traffic and referrer dashboards.

European SEO platform best known for the SISTRIX Visibility Index, a domain-level visibility metric derived from large keyword sets. Includes modules for optimisation, links, content and marketplaces.

Website auditing tool available as a desktop application and a cloud server product, producing prioritised technical SEO hints with explanations and visualisations of site architecture. Sitebulb Cloud plans start at £95/month; the desktop licence is priced separately.

SEO platform combining a site crawler, on-page checker, rank tracker and website change monitoring for small and mid-sized sites.

Website governance platform covering accessibility, content quality, SEO and analytics for large organisations and public sector sites.

Free website scanner from the makers of Copyscape that reports duplicate content, broken links and page structure for small sites.

Open-source web performance toolset that tests pages in real browsers and produces HTML reports with Core Web Vitals, filmstrip video, HAR waterfalls and best-practice advice from the Coach. Includes Browsertime, PageXray and Compare.

Lightweight, largely zero-configuration WordPress SEO plugin that outputs metadata, schema and sitemaps with minimal settings.

Web performance monitoring platform combining synthetic testing and real user monitoring with dashboards linking speed metrics to business outcomes.

General-purpose machine data platform used by some SEO teams to index and query large volumes of server logs for crawl analysis.

Competitive research tool focused on surfacing competitors' organic keywords and historical paid search ads, with rank tracking and backlink outreach features.

WordPress SEO plugin providing guided per-post optimisation, keyword research and audit reporting for non-specialists.

Enterprise rank tracking product from Moz that tracks keywords at scale daily, with SERP feature data, market segmentation and API access.

Marketing data pipeline tool that moves data from advertising, SEO and analytics platforms into spreadsheets, BI tools and data warehouses.

On-page content optimisation tool that compares a draft against ranking pages to recommend terms, headings and length, with an AI writer and an AI search analytics module.

Reporting and monitoring tool for agencies with automated client reports, KPI tracking and white-label dashboards.

Local marketing platform for listing distribution, review management and local content publishing across directories and voice assistants.

Free suite of technical SEO utilities from Merkle including robots.txt tester, schema generator, hreflang tag generator, fetch and render, and mobile-first testing.

AI search visibility tool from agency AdLift that tracks Google AI Mode and AI Overview presence, LLM citations and competitor gaps side by side.

Open-source WordPress SEO plugin focused on performance and privacy, providing automated metadata, schema and sitemap generation.

Shopify app for image compression, alt text generation and basic technical SEO fixes aimed at improving store load times.

SEO platform with rank tracking across Yandex, Google and six other search engines, an AI tracker, keyword research, technical audits and site change monitoring. Sold as prepaid packages where a larger package buys a bigger discount on tool usage.

Daily brand-mention tracker across multiple large language models, sold on a monthly credit allowance, with PDF and shareable link reports aimed at agencies and in-house teams.

AI visibility platform for brands and agencies that tracks prompts across eight AI models, monitors citations and competitors and offers white-label client portals.

Site speed monitoring service built on Chrome UX Report field data, tracking Core Web Vitals over time for a site and its competitors.

Location marketing platform managing listings, reviews, local pages and social posts across directories and maps for multi-location businesses.

Freemium SEO tool offering keyword suggestions, traffic estimates, site audit and rank tracking, positioned as a low-cost entry point.

Open-source, self-hostable web analytics application with a cloud option, focused on simple privacy-friendly traffic reporting.

Free MIT-licensed CLI that auto-discovers a site's URLs, crawls them in parallel and runs Google Lighthouse on every page, producing one unified performance, accessibility and SEO report.

Windows desktop tool for bulk URL data enrichment, pulling link metrics, analytics, content quality and social data for large URL lists.

Real-time Google SERP API returning structured JSON for organic results, local packs, news, shopping and other SERP features.

Free Chrome extension that shows the raw HTML alongside the DOM after JavaScript execution, highlighting the differences.

AI visibility and optimisation tool that monitors brand presence in ChatGPT, Claude, Gemini and Perplexity.

Windows desktop crawler for technical SEO audits, aimed at consultants and small agencies, with structured data checks and sitemap tooling.

AI monitoring platform from the makers of InLinks that tracks brand mentions, hallucinations and knowledge gaps across ChatGPT, Gemini, Claude and Sonar, with topic and source reports.

Technology profiler available as a browser extension and API that identifies the CMS, frameworks, analytics and other software a site runs.

Google's open-source Chrome extension that measures Core Web Vitals in real time for the current page and compares against field data.

Open-source JavaScript library from the Google Chrome team for measuring Core Web Vitals and other field metrics in real user sessions and reporting them to any analytics endpoint.

Web performance testing service offering detailed waterfall charts, filmstrips and Core Web Vitals measurements from many real locations, browsers and connection profiles.

Marketing reporting platform for agencies with automated multi-channel reports, data transfer to warehouses and white-label output.

Low-cost rank checking service with bulk keyword position lookups and a browser extension showing search volume data.

Local SEO toolset including the Local Citation Finder, Local Rank Tracker, local ranking grids and reputation building, plus citation and listing services.

Rank tracking tool with daily position updates, competitor tracking, WordPress integration and automated reporting, aimed at SMBs and agencies.

Website review tool that generates scored SEO audits and marketing checklists, with keyword tracking and white-label reporting for agencies.

Knowledge graph and structured data platform that adds semantic markup and entity linking to websites, with AI agents for content and AI search visibility.

WordPress caching and performance plugin handling page caching, file optimisation, lazy loading and Core Web Vitals improvements.

AI writing and SEO platform generating articles, ad copy and landing pages, with keyword research and AI search visibility features.

AI search visibility and optimisation product within Writesonic that tracks brand mentions across AI assistants and generates content intended to be cited.

Answer engine optimisation platform for measuring and improving visibility across ChatGPT, Gemini, Claude and Perplexity, with prompt research, citation analysis and experimentation.

German SEO suite covering keyword research, rank monitoring, on-page analysis, backlink tools, disavow, SEA and reporting, built around its own OVI visibility index. An AI Signal add-on tracks brand visibility in AI systems.

Free web analytics service from Yandex with session replay, heatmaps and form analytics, plus reporting on Yandex search traffic.

Digital presence platform that syncs business listings and structured knowledge across search engines, maps, directories and AI assistants for multi-location brands.

AI search visibility agent from Yext that tracks brand performance across ChatGPT, Gemini, Claude, Perplexity, Google Search, Maps and AI Overviews, with location-level competitive benchmarking and an MCP integration.

WordPress SEO plugin handling titles and meta descriptions, XML sitemaps, schema output, readability analysis and redirects, with a free version and a paid Premium tier.

Shopify app version of Yoast SEO providing metadata control, structured data, breadcrumbs and content analysis for storefronts.

French semantic optimisation tool that generates SEO guides and briefs, scores text against a target query, and adds keyword exploration, internal PageRank, content-gap and cannibalisation analysis plus AI text generation. Interface in French, English and Spanish.

SERP scraping API providing structured Google, Bing and image search results with location and device targeting.

AI search tracking platform monitoring brand visibility and sentiment in Google AI Overviews, ChatGPT and Perplexity, with competitive benchmarking and content optimisation guidance.