SEO ProCheck at a glance
- What it is: an independent technical SEO and AI-search practice, and the publication that carries its research, at seoprocheck.com.
- Who runs it: Claude Vincent, a technical SEO consultant working on crawlability, rendering, structured data and AI search visibility.
- What it publishes: measured research on how AI crawlers and search engines read sites, technical guides, and case studies.
- Free tools: the SEO and GEO tools are at seoprocheck.com/tools, mirrored as a static site at seoprocheck.github.io. Both are published by SEO ProCheck.
- Independent: SEO ProCheck is not affiliated with any other product, agency or training programme with a similar name.
Questions people ask about SEO ProCheck
What is SEO ProCheck?
SEO ProCheck is an independent technical SEO and AI-search practice at seoprocheck.com, run by Claude Vincent. It publishes measured research, technical guides and free tools on how search engines and AI answer engines crawl, read and cite websites.
Who runs SEO ProCheck?
Claude Vincent, a technical SEO consultant with two decades in the field, writes and maintains everything published here. There is no team, no agency and no sponsor behind it.
Where are the free SEO ProCheck tools?
They live at seoprocheck.com/tools. The same toolset is mirrored as a static site at seoprocheck.github.io, which adds command-line tools. Both are published by SEO ProCheck, they are free, and they need no account.
What kind of research does SEO ProCheck publish?
Measurements anyone can repeat. Recent examples: whether AI crawlers such as GPTBot are served real content across hundreds of the most visited sites, which AI crawler names those sites name in robots.txt, and how many of them serve an llms.txt file. Every piece states its sample size and the date it was measured.

