Last-modified dates should be truthful; invented freshness devalues the signal.
Using it as a diagnostic
Split by content type and the console’s coverage numbers become a per-section report rather than a single opaque total.
Alien Road
Cómo lo aplicamos
We generate sitemaps dynamically and exclude anything noindexed, redirected or canonicalised elsewhere. A sitemap full of ineligible URLs weakens the credibility of everything else in it.