16 checks that can be judged from the crawl, in 8 families (17 when the site gets enough traffic). The full account runs all 103 rules.
IndexabilityCan Google see it?The whole site set to noindex, noindex pages in the sitemap, a missing sitemap, missing canonicals.
ContentTitles, descriptions, H1Missing titles and descriptions, ones long enough to be cut off in search results, missing H1.
LinksBroken internal linksInternal links from the crawled pages to pages that return an error (4xx/5xx).
ImagesImagesImages without alt text or without width and height.
SecurityHTTPS done rightHTTP that does not redirect to HTTPS, and HTTP resources on HTTPS pages (mixed content).
InternationalLanguage versionsA missing x-default when the site uses hreflang.
AI accessCan AI search reach you?Whether robots.txt blocks the search and user bots of ChatGPT, Claude, Perplexity and others.
PerformanceReal-user speedLCP from Chrome's real-user data — when the site gets enough traffic.