Show only URLs do not display headers and describe fault analysis

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At present, I encountered a problem, that is a new online site, the home page was included, but only show the URL, do not display the title and description. To solve this problem, the author collects relevant reference materials on the Internet, solves it once, but appears again. is currently being resolved. Share here:

The website appears this kind of situation is: Before the website collects intact, suddenly one day the Baidu collects displays the website, but did not have the description and the title. There was a problem with my server before this problem occurred, initially suspecting that the issue of shared IP was causing it. Therefore, the independent IP was upgraded during this period. This problem occurs after you upgrade your standalone IP.

Due to the unclear specific reasons, the author has done the following processing:

1, the complaint snapshot

This is also a collection of online data, but seemingly effective. After the complaint and the completion of processing, the next day returned to normal. How to complain? Baidu Search to their website, click "Baidu Snapshot", and then fill in the relevant factual information on it.

2. Check robots.txt

After the complaint took a snapshot, I immediately looked at the contents of the robots and found nothing wrong. The author has not moved, should not be the problem. But for some friends, you can take a look, you may have just started to ban Baidu included. or prohibit the inclusion of some of the pages should be included. If so, please amend it immediately.

3, poisoning or hanging horse

I can't find it. But check the same IP under the other sites, there is no problem, so also preliminarily concluded that the problem is not poisoning and hanging horse.

4, 301 redirect Problem

This problem I suspect the reason is that the same IP site did not appear in the problem, the site appeared. and search the same IP site, found under this site with www. The leading domain name set a 301 turn. Jump to the domain name without www. This is the result of the author's 301 steering process. Logically, it should be okay. But the author in the test 301 turn, found in IE browser, 301 turn does not work. From this doubt: Baidu is included with the WWW Web site, and because of the turn, directly included 301 of the domain name after the turn. This is unknown. Just guessing.

5. Server problem

This may be a larger cause. Because this problem occurs two times, the server has a problem. Because of this problem, the server appears to upgrade the independent IP process. From this conjecture, will it be to upgrade the independent IIP, resulting in slower space reading?

The above several judgments, the author has analyzed. However, the first occurrence of the site included only show the time, in the next day after the complaint was two days resumed. So which is the key to the problem?

The author thinks: These two are the main causes.

1, the server independent IP upgrade, the most suspect. Two times This problem occurs, the server is problematic. Is that a coincidence? This is one of the reasons I think, the possibility is greater.

2, 301 redirect problem This problem may also be one of the triggers because it has not noticed the problem of different browser failures before. Less likely.

Now I do not have any treatment of the site, if the two days back to normal. It is basically possible to conclude that the server has been upgraded to an independent IP. If this is the case, then the odds are 301 redirects.

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