Back in 2011, Duane Forrestor, when he was at Bing was interviewed about Bing Sitemaps and said: Your Sitemaps need to be clean. We have a 1% allowance for dirt in a Sitemap. Examples of dirt are if ...

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 ...

Learn how to use Python to reorganize your XML sitemaps and help you isolate indexing problems on your website's most important pages. One of the main benefits of combining programming and SEO skills ...