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http://www.mihanmobile.net/: Googlebot can't access your site
بعدا داخل قسمت crawl errors هم Server Connectivity مثلث نارنجی شده
بعدا جلوی Googlebot can't access your site میزنم learn more اینا مینویسه
http://www.mihanmobile.net/: Googlebot can't access your site
Aug 18, 2012
Over the last 24 hours, Googlebot encountered 114 errors while attempting to connect to your site. Your site's overall connection failure rate is 2.5%.
You can see more details about these errors in Webmaster Tools.
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.
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.
بعدا داخل help center هم اینا رو نوشته
Server connectivity errors
Googlebot couldn’t access your site because the request timed out or because your site is blocking Google. As a result, Googlebot was forced to abandon the request.
Excessive page load times, leading to timeouts, can be due to the following:
Dynamic pages taking too long to respond. If the server is busy, it may have returned an overloaded status to ask Googlebot to crawl the site more slowly. In general, we recommend keeping parameters short and using them sparingly. If you’re confident about how parameters work for your site, you can tell Google how we should handle these parameters.
Your site's hosting server is down, overloaded, or misconfigured. If the problem persists, check with your web hoster, and consider increasing your site’s ability to handle traffic.
Your site may also be deliberately or inadvertently blocking Google. In general, this can be the result of a DNS configuration issue or, in some cases, a misconfigured firewall or DoS protection system (sometimes the site's content management system). Protection systems are an important part of good hosting and are often configured to automatically block unusually high levels of server requests. However, because Googlebot often makes more requests than a human user, it can trigger these protection systems, causing them to block Googlebot and prevent it from crawling your website.
To fix such issues, identify which part of your website’s infrastructure is blocking Googlebot and remove the block. The firewall may not be under your control, so you may need to discuss this with your hosting provider.
Some webmasters intentionally prevent Googlebot from reaching their websites, perhaps using a firewall as described above. In these cases, usually the intent is not to entirely block Googlebot, but to control how the site is crawled and indexed. In this case, check the following:
To control Googlebot’s crawling of your content, use the robots exclusion protocol, including using a robots.txt file and configuring URL parameters.
If you’re worried about rogue bots using the Googlebot user-agent, you can verify whether a crawler is actually Googlebot.
If you would like to change how hard Googlebot crawls your site, you can request a change in Googlebot’s crawl rate. Hosting providers can verify ownership of their IP addresses too.
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