In general, it makes little sense to submit duplicate URLs in a Sitemap file, which is why this message was added. There is one item which may lead to confusion here though - Google's Sitemaps ...

I walk into the room, 7 minutes before air time and Vanessa Fox of Google Webmaster Central is handing out donuts. Yum! On the panel are representatives from all the major engines plus Todd Oilman ...

XML sitemaps just turned 18 in June, and in honor of its full-fledged introduction into adulthood, I’m breaking down how XML sitemaps work, how to build one, and why XML sitemaps offer a boatload of ...

Google’s John Mueller answered a question about how many sitemaps to upload, and then said there are no guarantees that any of the URLs will be crawled right away. A member of the r/TechSEO community ...

A few months back I discovered a shocking bug in how Google handles XML sitemaps, which enabled brand new sites to rank for competitive shopping terms by hijacking the equity from legitimate sites. I ...