A sharp-eyed search marketer noticed that Yoast was generating duplicate sitemaps. It’s not known how long this has been happening, but the head of SEO at Yoast acknowledged the bug and noted that ...

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 ...