GLOSSARY

robots.txt

IN ONE SENTENCE

robots.txt is a text file at the site root declaring which crawlers may fetch which paths.

robots.txt is a text file at the site root declaring which crawlers may fetch which paths.

01

In detail

Two common mistakes: multi-domain sites sharing one static file with a hard-coded domain, so one domain advertises another's sitemap; and treating it as the only switch while a CDN blocks independently. Its Sitemap line also has to point at that domain's own sitemap.

Updated 2026-08-06