A good sitemap acts as a roadmap of your website that leads Google to all your important pages, so they’re a vital part of a good SEO strategy for your website.
Get started with sitemaps by learning what they are and how they can help your SEO.
Search Console Help
Google guide to managing your sitemap in Search Console including how to submit, resubmit, and delete a sitemap.
A monster guide that covers submitting your sitemap to Google, Bing, and more.