[h=1]Message summary[/h] Webmaster Tools sent you the following important messages about sites in your account. To keep your site healthy, we recommend regularly reviewing these messages and addressing any critical issues. [h=3]http://forum.airtet.in/: Googlebot can't access your site[/h]Over the last 24 hours, Googlebot encountered 640 errors while attempting to connect to your site. Your site's overall connection failure rate is 74.7%. You can see more details about these errors in Webmaster Tools. [HR][/HR] Recommended action Verify that the web service software for your site is installed and running properly. Verify that your firewall or server are not blocking googlebot's access to your site. Verify that all scripts that run on your site have proper permissions to run. Verify that your site has proper permissions to access the pages of your site. Using Webmaster Tools, find a day with a high error rate and examine the logs for your web server for that day. Look for errors in the logs for that day and fix the causes of those errors. Your site may be overloaded. Talk with your hosting provider about either reconfiguring your web server or allocating more resources to your web server. If your site redirects to another hostname, another possible explanation is that a URL on your site is redirecting to a hostname that has one or more of the problems listed above. After you think you've fixed the problem, use Fetch as Google to verify that Googlebot can properly access your site. Learn more in our Help Center. [HR][/HR][h=3]http://forum.airtet.in/: Googlebot can't access your site[/h]Over the last 24 hours, Googlebot encountered 510 errors while attempting to access your robots.txt. To ensure that we didn't crawl any pages listed in that file, we postponed our crawl. Your site's overall robots.txt error rate is 99.8%. You can see more details about these errors in Webmaster Tools. [HR][/HR] Recommended action If the site error rate is 100%: Using a web browser, attempt to access http://forum.airtet.in/robots.txt. If you are able to access it from your browser, then your site may be configured to deny access to googlebot. Check the configuration of your firewall and site to ensure that you are not denying access to googlebot. If your robots.txt is a static page, verify that your web service has proper permissions to access the file. If your robots.txt is dynamically generated, verify that the scripts that generate the robots.txt are properly configured and have permission to run. Check the logs for your website to see if your scripts are failing, and if so attempt to diagnose the cause of the failure. If the site error rate is less than 100%: Using Webmaster Tools, find a day with a high error rate and examine the logs for your web server for that day. Look for errors accessing robots.txt in the logs for that day and fix the causes of those errors. The most likely explanation is that your site is overloaded. Contact your hosting provider and discuss reconfiguring your web server or adding more resources to your website. If your site redirects to another hostname, another possible explanation is that a URL on your site is redirecting to a hostname whose serving of its robots.txt file is exhibiting one or more of these issues. After you think you've fixed the problem, use Fetch as Google to fetch http://forum.airtet.in/robots.txt to verify that Googlebot can properly access your site. Learn more in our Help Center. I don't Know any technical skills please help me anyone