Chochang: Explanation causes the website to drop the right

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Everyone to do the site first of all worry about the problem is the site down the right, the site's right to drop the most important expression in the site's keyword ranking drop, or keyword ranking continued fluctuations. The reasons that affect the site's right to fall are mainly as follows:

1, the website's revision

The website's revision mainly includes: the website replacement program, the content change, the website template change three most, because the SE spider crawls the website, will cause the spider not to download the webpage normally, appears the dead link, namely in our IIS log to appear most 404 error pages, This will be a heavy blow to the site, is the site to reduce the right one of the biggest reasons.

2, the site's server or space instability

The server problem became the second largest cause of the right to fall, therefore, the stability of the service is critical, especially during the active night of the SE update, the site must be normal access, if in our IIS Log 500 error, it must be our server has a problem, so to find the reason in time.

3, the security of the site

Security issues include the site hanging horse, for example, can be changed to the folder can be read unreadable properties, SE is able to judge the site of the Trojan, if the site has a trojan, long time did not clear, then will lose the trust of the search engine, the site to reduce the right to deal with.

3, the site's local changes

Local changes include the site's title changes, describing the changes in Description,keywords, this will also lead to the site down the right, but compared to the impact of the above less.

4, the loss of external links to the site

These include the loss of links, friendship links to exchange the site to remove your links, or the forum signature because the account reason, lost the signature and so on, these are causes the website to drop the power the big important factor, therefore is above is causes the website to drop the power the main several big reasons, in the next article, will target these several big factor one by one to explain, Please look forward! Article from Http://www.sdhuadian.cn,SEO optimization Engineer Chochang Original, welcome to take a turn. A5 starting, reproduced please retain the source, thank you.