What are the absolute must-check items on a technical SEO audit checklist for someone who is updating their old HTML website for modern search engines?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the absolute must-check items on a technical SEO audit checklist for someone who is updating their old HTML website for modern search engines?
1 real search · 1 real-search pass
Google Search Central technical SEO crawl indexing mobile-first indexing structured data Core Web Vitals documentationGoogle ↗
OBSERVEDInstruction
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
Google Search Central technical SEO crawl indexing mobile-first indexing structured data Core Web Vitals documentation Google ↗
- Open Search Console · search.google.com
- Open Screaming Frog · screamingfrog.co.uk
- Open PageSpeed Insights · pagespeed.web.dev
- Open Rich Results Test · search.google.com
- Open HTML Validator · validator.w3.org
- Open Schema Validator · validator.schema.org
- Google – Structured Data Guidelines · developers.google.com