In an interview a few months ago with Stone Temple Consulting, Bing’s Duane Forrester said this:
“Your Sitemaps need to be clean. We have a 1% allowance for dirt in a Sitemap. Examples of dirt are if we click on a URL and we see a redirect, a 404 or a 500 code. If we see more than a 1% level of dirt, we begin losing trust in the Sitemap”.
I forget where I heard it, but I seem to recall Matt Cutts saying something similar about how Google determines whether they can trust an XML sitemap. If you find that quote somewhere please share in the comment field. Either way, it is a good thing to have a clean sitemap. So if you want to find the “dirt” in your dirty sitemaps, here’s a simple and effective tool that will allow you to check your online sitemaps via URL, or upload one to check it before submitting:
Thanks to WePullRank for this free “inbound marketing” tool!