Bing Recommends lastmod Tags For AI Search Indexing

Bing has updated its sitemap guidance with a renewed focus on the lastmod tag, highlighting its role in AI-powered search to determine which pages need to be recrawled.

While real-time tools like IndexNow offer faster updates, Bing says accurate lastmod values help keep content discoverable, especially on frequently updated or large-scale sites.

Bing Prioritizes lastmod For Recrawling

Bing says the lastmod field in your sitemap is a top signal for AI-driven indexing. It helps determine whether a page needs to be recrawled or can be skipped.

To make…