The Yoast SEO plugin for wordpress creates an XML sitemap with the file name
sitemap_index.xml. There is another sitemap plugin (Google XML Sitemaps) in the Wordpress site I'm working on that creates a sitemap named
Unfortunately I don't know too much about SEO stuff. The top result in Google when searching for the answer to my question is this StackOverflow post that seems to say that it DOES matter for search engines other than Google: https://stackoverflow.com/questions/23041115/what-should-be-the-name-of-sitemap-file-while-submitting-to-google-webmasters. It says to use
sitemap.xml. But I'm doubtful of the accuracy of this claim. Also, the sitemap that YoastSEO generates is preferable for my client but it doesn't look like there is a way to configure the name of the sitemap file.
So I thought I would ask the experts here to get a definitive answer. Does it matter that the YoastSEO plugin generates a sitemap with a seemingly non-standard filename?