SEO Myths: Top 5 Sitemap Myths Demystified
Instead, they are hints that the search engine can choose to use if they want to, or they can ignore them entirely.
First, Google has to know about your sitemap by one of the following methods:
Finding it in the usual location of /sitemap.xml
Finding it in the location specified in your /robots.txt file
file Being told its location by your submitting it via the Google Search Console
Then, on its own time, Googlewill digest the sitemap, and potentially use it to prioritize indexing (or re-indexing) of the pages specified in the sitemap.
It’s still entirely up to the whims of Google’s black box algorithm what to do with them.