1. View server log file See search engine spider is not also come to our site crawl, this can be seen in Apache/iis/nginx
If you see a Baidu spider to be sure the site can crawl is only sometimes unable to crawl your site, this time we can through Baidu Webmaster tools to troubleshoot the
2. We find in the Baidu Webmaster tools to crawl the diagnosis to see the site can crawl no, if you can also prove that the log has a search engine is normal, the following we then look at the Baidu Webmaster Crawl Abnormal
3. The crawl exception below has a Web site exception we will look to find that 15th has dozens of times to crawl, and 16th has been all crawled successfully, this is a small series of problems after the solution, then how to solve the following point of view.
4. This step is critical, ping command can help you solve our different places ping the site IP, to see if it is not a switch, such as small series of screenshots yesterday.
See the above two pictures one is processed before the next step 3 is corresponding, so the problem is in your server network instability, at this time how do we solve? Go directly to the server provider and they can definitely help you solve the