Free webmaster tools

Using Webmaster Tools won't help your site get preferential treatment; however, it can help you identify issues that, if addressed, can help your site perform better in search results.

With the service, webmasters can:
• see which parts of a site Googlebot had problems crawling
• notify google of an XML Sitemap file
• analyze and generate robots.txt files
• remove URLs already crawled by Googlebot
• specify your preferred domain
• identify issues with title and description meta tags
• understand the top searches used to reach a site
• get a glimpse at how Googlebot sees pages
• remove unwanted sitelinks that Google may use in results
• receive notification of quality guideline violations and request a site reconsideration

If you've improved the crawling and indexing of your site using Google Webmasters Tools or other services, you're probably curious about the traffic coming to your site. Web analytics programs like Google Analytics are a valuable source of insight for this. You can use these to:
High-level analysis is possible via Google Analytics and Website Optimizer get insight into how users reach and behave on your site discover the most popular content on your site measure the impact of optimizations you make to your site
- e.g. did changing those title and description meta tags improve traffic from search engines?
Yahoo! (Yahoo! Site Explorer) and Microsoft (Bing Webmaster Tools) also offer free tools for webmasters.
For advanced users, the information an analytics package provides, combined with data from your server log files, can provide even more comprehensive information about how visitors are interacting with your documents (such as additional keywords that searchers might use to find your site).
Lastly, Google offers another tool called Google Website Optimizer that allows you to run experiments to find what on-page changes will produce the best conversion rates with visitors. This, in combination with Google Analytics and Google Webmaster Tools (see our video on using the

We suggest you read the google webmaster guidelines