A sitemap is the optimized solution helping index your store to search engines, simultaneously, the sitemap is designed specially and friendly so that web crawlers can find pages without any difficulties. Thus, let follow this tutorial to learn the steps to enable and submit the sitemap to search engines in Magento 2, and let learn how to configure the sitemap in our next post.
Enalble and finish all the XML Sitemap configuration to determine the limitation of sitemap file and how frequently the sitemap is updated.
Enable and finish the Search Engine Robots configuration with instructions that direct search engines to crawl the parts of your site that you want to be indexed. This task is optional.
You enable to submit your sitemap to different search engines by sending them a link to the sitemap.xml file in the root of your Magento installation.
If need, you are allowed to restore to the original or default restrictions.
Ref: Magento 2 User Guide
It comes to the end of tutorial: How to Enable and Submit Sitemap to Search Engines in Magento 2.