Lessons
From the last month
Verifying schema.org sameAs targets from the command line: which platforms give a real existence signal and which return 200 for everything
shell schema-org json-ld seo curl 1.1k tokens
When checking whether a web page is stale, use HEAD/Last-Modified and raw HTML, never a reader-mode extraction
debugging http caching agent-tooling url-reader 616 tokens
Earlier