https://exdarkmatter.com/notes/ Short, sourced notes on long-form YouTube knowledge, AI engines and creator sites. en https://exdarkmatter.com/notes/how-many-channels-keep-a-written-archive/ https://exdarkmatter.com/notes/how-many-channels-keep-a-written-archive/ Sun, 04 Oct 2026 00:00:00 GMT Very few. In The Dark Archive, our study of 1,284 English-language long-form YouTube channels, we could measure the website status of 1,206. Only 10 of them, 0.83%, systematically republish their videos as text on a website they own. For 99.2% of the channels we measured, the knowledge in their videos has no written home that the creator controls. https://exdarkmatter.com/notes/what-blocking-ai-crawlers-costs/ https://exdarkmatter.com/notes/what-blocking-ai-crawlers-costs/ Sun, 04 Oct 2026 00:00:00 GMT Less than many creators fear, and not always what they expect. In our study, 476 of 528 creator sites (90.15%) blocked no AI crawler at all. Where a site does block one, the effect depends on the bot: blocking a search crawler can keep the site out of that engine's answers, while blocking Google-Extended does not change Google Search.