# SerpTune > Comparative SERP & competitor SEO intelligence. Enter a page and a query; SerpTune compares it against the ranking competitors and returns a prioritized action plan (semantic gap, UX gap, AI-Overviews readiness). ## Key pages - [Home](https://serptune.com/en/): what SerpTune does - [Free AI Overview Checker](https://serptune.com/en/ai-overview-checker/): paste a URL, get an instant 0-100 AI citability score (no signup) - [Pricing](https://serptune.com/en/pricing/): monthly plans, annual bundles and credit packs - [Blog](https://serptune.com/en/blog/): practical guides on semantic content gaps, generative engine optimization (GEO), AI Overview citability and competitor SERP analysis - [Blog RSS feed](https://serptune.com/en/blog/feed/): also available per language (/it/, /es/, /de/, /fr/, /pt/) - [API docs](https://serptune.com/en/api/): REST API to run analyses programmatically - [Public analyses](https://serptune.com/sitemap.xml): example gap analyses (free to read) - [Our crawler](https://serptune.com/en/bot/): SerpTuneBot policy and opt-out ## Notes - Full analyses require an account; public summary pages are free to read. - Crawler user-agent: SerpTuneBot/1.0 (+https://serptune.com/en/bot/).