Sitemap Test - Seomator
https://seomator.com/free-tools/sitemap-testSitemap Test uses sitemap files such as sitemap.xml, sitemap.xml.gz or sitemapindex.xml to check a website. It is a way for webmasters to tell search engines about available sites for crawling. A sitemap is an XML file that shows URLs of a site with extra metadata about them.
How to Validate Sitemaps - Dyno Mapper
https://dynomapper.com/how-to-validate-sitemapsHow to Validate Sitemaps. To effectively define the attributes and allowable elements that can appear in a sitemap file, search engines like Google utilizes XML schema. As shown in the example below, Google schema can easily be downloaded via the links provided below. Based on this schema, you can use any of the many available tools to enable ...