Google webmaster tool is one of most valuable and important tool these days. It is a free or no-charge tool that is provided by Google that offers a webmaster with all required tools that are needed to optimize and modify your website for all major search engines. With this tool, you can report encountered errors on your website, and this tool is also very helpful in your website’s marketing. This tool also shows that how many pages of your website are indexed. That is it allows you to check indexing of your website’s pages and also allows you to optimize your website’s visibility.