XMLsitemapid

XMLsitemapid is a unique identifier used within XML sitemaps to distinguish between different sitemaps or sections of a sitemap. It is an optional attribute that can be included in the <sitemap> element of an XML sitemap index file. The XMLsitemapid attribute is not defined by the XML sitemap protocol itself, but it is commonly used by search engines and web crawlers to track and manage sitemaps more effectively.

The XMLsitemapid attribute can be any string value, but it is typically a unique identifier such as a number or a combination of letters and numbers. This identifier can be used to reference a specific sitemap or section of a sitemap in a more human-readable way than a URL. For example, a sitemap for a website's blog posts might have an XMLsitemapid of "blog", while a sitemap for the website's product pages might have an XMLsitemapid of "products".

Using XMLsitemapid can be particularly useful for large websites with multiple sitemaps or sections of a sitemap. It allows webmasters to easily identify and manage different sitemaps, and it can help search engines to better understand the structure and content of a website. However, it is important to note that the XMLsitemapid attribute is not required and is not used by all search engines or web crawlers. Therefore, it should be used in conjunction with other sitemap best practices to ensure that a website is properly indexed and ranked by search engines.