- page_status, sitemap_error, sitemap_noindex, sitemap_blocked and
sitemap_missing against the fetched sitemap files and robots.txt
- canonical_missing and canonical_error, missing and duplicate titles and
descriptions over the crawl
- h1_missing, h1_multiple, heading_skipped, heading_empty and
h1_title_mismatch; content headings route to the record's tool
- the staging lock's noindex is never counted (Pitfall 12)
- TestCrawlerChecks on the planted site with a clean control page