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The site is more or less every month a few times-not open, may be the problem of space, but also may be the revision or was attacked forced to close, the site was forced to close after the correct way to do it?
December 31, 2011, my server was hit by a massive traffic attack, cause all of my website can not open, found this situation, I immediately check which site was attacked, found immediately after the shutdown of the site, the attack lasted a day or so, I closed the site 1 days and a half, and then moved the site to a foreign space, My site is usually a second collection, stop 1 days and replace the IP, the article still seconds.
At that time I was quite happy, I feel that Baidu is not bad for me, but after 9:30 in the evening, my site collected data began to fluctuate greatly, first from 600 to 300, and from 300 to 58, and then between 58 and 21 fluctuations in the data collected. As it was late, I went to bed first.
The second day, that is, January 2 morning after getting up, I was shocked, the snapshot back to 2009 years, included only the home page, obviously was K station. I tried to send an article, the article still seconds, I was very surprised, I this situation is what is the reason. Go to the forum to send posts to consult friends, and no one knows what's going on.
I had to do it myself. Ample clothing, careful analysis of log files found that the beginning of the server was attacked, the spider can not open the page, but the return value is 500, but I will 11518.html "> website closed, and did not return to the right spider wrong command, my station spiders come to more frequent, Spiders can not find the Web page, the return value is 404 error, this is the root cause, spiders feel that my station is unstable or the site closed will I included in the sandbox. From the server access log can be seen, that period of time spiders do not come.
Found the problem, I quickly calm down, find the reason, and make the response, first of all I update the article, but a few more high-quality original articles, to send out the chain, as far as possible to send that high-quality outside the chain, for spiders to provide access. Check the site has no errors or dead links, I have done everything, only used 1 days, January 3, Baidu resumed, snapshots Normal, Baidu included also back, the article is still seconds. It seems that Baidu is still very strong, there is a picture of the truth, I this station is a new station, master do not spray.
Under the traffic attack or temporarily shut down, small and medium-sized webmaster should do.
1. Correct feedback to the spider signal. Using the 503 error, show the search engine that the site is only temporarily closed.
2. Quickly check the wrong place, restore the site in time.
3. After the restoration of the site, timely update of high-quality articles, the weight of the site can go to send out the chain, let spiders enter your site.
4. If the K station do not worry, normal update, adhere to the chain and then wait for a reply.
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