XML sitemap is one of the best ways to create list of your website links submit to search engines. An XML sitemap allows the search engines crawl to index your website URLs. Once a static websites we had to create sitemap again and again manually but the dynamic websites generate sitemaps automatically. However, WordPress users have a simple solution in shape of free XML sitemap plugins to generate auto sitemap of all of your URLs.
Google XML Sitemaps
This plugin allows the users to generate a special XML sitemap that will help the search engines for better indexing of your blog posts. There are several advanced and easy to use options build sitemap dynamically. You just need to install this plugin once and forget to generate XML sitemap again and again.
All in One Webmaster
This plugin allows you to submit your URLs on Google and Bing. This plugin has different options for Facebook, Google and Bing spritely and analytics options for different search engines. You will be able to set meta tags for better search engine optimization.
Better WordPress Google XML Sitemaps
It was one of the initially released WordPress XML sitemap plugins, which allows you to create auto sitemap for all of your posts. This is one of the best sitemap that support sitemapindex and compatible for WordPress multisite.