Google Webmaster Tools is a no-charge web service by Google for webmasters. It allows webmasters to check indexing status and optimize visibility of their websites. It has tools that let the webmasters: Submit and check a sitemap.
Why use Webmaster Tools?
Monitor your site’s performance in Google Search results:
Make sure that Google can access your content
Submit new content for crawling and remove content you don’t want shown in search results
Create and monitor content that delivers visually engaging search results
Maintain your site with minimal disruption to search performance
Monitor and resolve malware or spam issues so your site stays clean
Discover how Google Search—and the world—sees your site:
Which queries caused your site to appear in search results?
Did some queries result in more traffic to your site than others?
Are your product prices, company contact info, or events highlighted in rich search results?
Which sites are linking to your website?
Is your mobile site performing well for visitors searching on mobile?
Who should use Webmaster Tools?
Anyone with a website! From generalist to specialist, from newbie to advanced, Webmaster Tools can help you.
Business owner who delegates. Even if you don’t think you know how to use Webmaster Tools, you should be aware of it and become familiar with the basics. You might hire your webmaster or a marketing specialist to help you set up your website with Webmaster Tools. In that case, you can work with that person to ensure you have access and control to all of the reports for your website. In addition, it’s a good idea to learn all you can about how your site is performing in search results so you can make important business decisions about your site.
SEO specialist or marketer. As someone focused on online marketing, Webmaster Tools will help you monitor your website traffic, optimize your ranking, and make informed decisions about the appearance of your site’s search results. You can use the information in Webmaster Tools to influence technical decisions for the website and do sophisticated marketing analysis in conjunction with other Google tools like Analytics, Google Trends, and AdWords.
Site Administrator. As a site admin, you care about the healthy operation of your site. Webmaster Tools lets you easily monitor and in some cases resolve server errors, site load issues, and security issues like hacking and malware. You can also use it to ensure any site maintenance or adjustments you make happen smoothly with respect to search performance.
Web Developer. If you are creating the actual markup and/or code for your site, Webmaster Tools helps you monitor and resolve common issues with markup, such as errors in structured data.