Because If You have Sitemap.html linked with Your site and also has the latest update in your sitemap page than whenever search engine read your site content it first tracks to your sitemap.html page.
Sitemap.xml file is used to inform all search engine like Google, Bing and Yahoo to submit the list of URL of your website..
I Will setup & Config Best Plugin which will Automatically Create Sitemap.html page and Sitemap.xml file on your wordpress and also make it update automatic whenever new content is added or edited.
I Will setup PING Notification Service which will Automatically submit your sitemap.xml file to Webmaster and Bing Webmaster Account.
- This GIG is for Wordpress Site Only.
- This GIG includes Only Creation of Sitemap.html page and Sitemap.xml file. And doesn't Include Creation or Linking of Webmaster Tool and Analytics account to your site.
For Webmaster account / Analytic Account Setup Config and Binding to Your site You may Order My Other GIG :