A Content Analysis of llms.txt Files from the July 2026 Crawl Archive
We analyzed the contents of 584,107 llms.txt files from the July 2026 crawl. Two thirds are produced by a plugin, half follow the structure the specification defines, and a few files even contain prompt
Common Crawl gets a lot of opt-out requests.
We respect publisher rights, even if they don't possess time machines go fix their robots.txt files from 20 years ago. It is what it is. We endeavor to be polite, however.
commoncrawl.org/blog/common-cr…
Our ongoing opt-out registery /
August 2026 Crawl Archive Now Available
We are pleased to announce that the crawl archive for August 2026 is now available, containing 2.14 billion web pages or 360 TiB of uncompressed content.