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.
Unlighthouse
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.
What it is
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.
It sits in the page speed category, and also covers crawler, technical seo..
Alternatives & neighbours
9 tools sharing at least one category with Unlighthouse.
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.
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.
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.
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.
Technology lookup service and extension reporting the software, hosting, analytics and advertising stack used by a website, with lead list exports.