In this edition of Ask An SEO, we break down a common point of confusion for site owners and technical SEOs: Do I need both an XML sitemap and an HTML one, and which one is better to use for SEO? It ...

Google's John Mueller was asked if it is helps after doing a big URL migration to keep the old XML Sitemap file up for a bit. John said "the effect would be minimal" by using this strategy. The theory ...

In fact, John answered this was above but on Reddit, Gary Illyes from Google answered that one as "no, they don't." Google's XML sitemap documents say "all formats limit a single sitemap to 50MB ...