A few details that can not be ignored in links

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Links not only bring a significant amount of traffic, more importantly, can improve the site's weight and PR value. So adsense to promote their own site, friendship Links become an important link to promote the site. But links are not a piece of sunshine, there are many unknown problems exist. How can you do some high-quality exchange links without damaging your website? This is a difficult question to answer, but the pinnacle gives its own advice, hoping to notice the following details in a swap connection.

1, is under the Baidu, the Google penalty website

This question seems to be simple, actually more complex, because this sentence contains two layers of meaning, mainly:

(1) The weight of the site is reduced, that is the site by Baidu and other search engine punishment barometer. How to judge the weight of the website to reduce? I think the Baidu snapshot date can be queried, the search engine PR curve changes, the speed of the collection rate to carry out. You can refer to the "Peak network to teach you how to judge the height of the weight of the site" this article.

(2) Links must check whether the other site is K. Baidu K site is not only k is all, or maybe k is a homepage or a column, you can refer to the "Baidu K site has been implemented a precise blow", the above explained very clearly.

2, links to use Rel=nofollow

At the Webmaster party, we talk about the friendship link cheat situation, the master of the Universal navigation network to say such a situation, said is a site for exchange with a connection, then see the other side of the PR value = 5, the site is also a good collection, after doing also think picked up a big bargain. One day want to learn about the other side of the site's function, on the other side of the site to check the source code, the results found their own friendship link is "Universal Navigation Network", which has a rel= "nofollow" code, feel very strange, on the Internet to check, the result of the query is "in the robots, If set nofollow, that friendship link will not be crawled by search engine. Because when a search engine accesses a Web site, it first checks to see if there is a plain text file called robots.txt in the root directory of the site. The Robots.txt file is used to limit the search engine's access to its Web site, which tells the search engine which files are allowed to be retrieved (downloaded). Until this time to know because rel=nofollow exist, is equal to tell the search engine, this link does not exist. Was very angry at that time, but also remind webmaster friends, must pay attention to this detail problem.

3, using the IFRAME or JS call or flash or picture

In Baidu told Webmaster Book clearly wrote, Baidu and other search engines will not identify IFrame, JS, flash, picture application. This is clear to tell us, in the Friendship link, if the other side using the "iframe or JS call or Flash or pictures", then the link is meaningless! Because Flash and pictures are easy to determine, but the IFRAME, JS how to determine? You can only query in the source code.

4. Illegal Web sites or websites with viruses

Now the search engine is very disgusted with the website of the virus, the website K station that does not conform to the national policy law is more formidable. So can not see other people site traffic, PR value High is willing to do exchange connection. Peak in the beginning of the network, because it is a hurry to do the link, finally suffered the trouble, until today to gradually recover.

5, the use of hijacked PR value of the website

Accustomed to, we are always willing to and PR high website do Exchange connection, always thought can and PR value High website do friendship Link can improve their website PR value. In fact, otherwise, a peak network friendship after the connection only found that the other side of the reason for the high, the original is hijacked. Determine whether the other party is hijacked PR, need to seriously study each other's site, to see how the site included, the reverse link how to comprehensive judgment is not the use of the domain name hijacked the PR value, if it is, then do not do such a link.

The above 5 related links to a few details, we must pay attention to avoid being cheated, damage their website.

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