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.
advertools.readthedocs.io
Free UtilityFreeFree tier
Hreflang Tags Generator
Free tool by Aleyda Solis that builds valid hreflang annotations for HTML, HTTP headers or XML sitemaps from a list of localised URLs.
What it is
Free tool by Aleyda Solis that builds valid hreflang annotations for HTML, HTTP headers or XML sitemaps from a list of localised URLs.
It sits in the free utility category, and also covers technical seo. It is built by Aleyda Solis, based in Spain, and has been around since 2013.
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