- 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
- golem15_seo_crawls, crawl pages, links, issues and ignores (P33-37)
- classes/crawl: fetchguard client on the site host and its www twin,
sitemap index and robots.txt seeds, two workers with a delay, limits
- h1_missing and h1_multiple with the P33-38 fix route
- POST /_seo/api/v1/crawls queues the golem15.seo.crawl job; GET /issues
answers the stored issues with id, severity, source, fix, found_at,
ignored and crawl_id
