XML sitemap is a formatted xml file on your web server. It includes al links of your website that you want to index in the search engines. By adding this file you speedup webpages index in the search engines. XML sitemaps not only help google bots to crawl your urls, It also show the last modification date of your webpage. You can submit xml site maps to all popular search engines like Google, Bing, Yahoo and others.
HTML Sitemap is your site map designed in html. It includes all links of your website according to its category. HTML Sitemap not only help search engines bots to crawl pages of your website but it also help your website users to find any url according to its niche.
There no rocket science involved in using this tool. All you have to enter that main url of your website. Select other values according to your needs and click on the “Create Sitemap” button. It’s will took few minutes according to the number of webapges in your website and display you the final download link of xml and html sitemaps.
After downloading the sitemap file; upload it to the root folder of your domain. (you can also use any other folder to upload it). Next you have to Go to your Google Webmaster account and add your sitemap URL.
This value indicates that how frequent content of you specific webpage changed. For example you have a blog post and your site members comment on that post daily. Then Change Frequency of that webpage is “Daily”. Remember that if your website content not changed according to the value of change frequency in your site map then google no longer trust your values.
A lot of pages you have in your website not changed since you developed that company. Last modification date provide information about your webpage and allow bots to avoid re-crawling that page. If you have not mentioned last modification date in your site map it does not harm your website. Google automatically get let modification date from the server response.
This term compare the priority of specific webpage according to the other pages of your website. It’s values ranges from 1.0 to 0.0, where 0.0 identifies the lowest priority webpages in your website and 1.0 defines the highest priority pages in your website.