Content freshness
How recently a page was substantively updated. Retrievers like dates. Fake dates are a fast way to burn trust.
Changelogs and living docs beat ritual blog refreshes.
Reddit has built-in timestamps. That’s one reason threads win on “is it still good in 2026.”
Examples
- You change a comma and bump the date. A user on r/SEO posts a screenshot. Don’t.
Related terms
Rankings and usefulness fading as facts age and competitors publish. Citation decay is the AI twin.
A ping protocol so participating engines fetch changed URLs faster. Bingy. Not a ChatGPT button.
Fetching the live web beyond cutoff. How ChatGPT Search and Perplexity stay current — when they bother.
FAQ
Does ChatGPT prefer 30-day-old pages? +
Sometimes retrieval does. It is not a law. Unique durable facts still survive.
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