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Site from the div layout, to add programs, to the last promotion-exchange links, the development of the site's hard, do webmaster self already understand!
But exchange links have some misunderstandings, we still have some places to pay attention to, that is to carefully exchange links cheat means, here are some common means, novice can see, understand.
A, secretly delete the link.
In general, you do a good friendship link, the other side in a certain period of time secretly deleted, so you become a one-way link, so to regularly check links. In fact, friendship Links is to support the promotion of each other, there is good for each other, there is no need to do so.
Second, advertised PR is hijacked.
Today, the exchange of connections found in Webmaster tools to check the PR, the result is two sites. Aroused my suspicion, and later in another webmaster tools found the true face of the original hijacked someone else's website. To be careful of some sites PR is hijacked through the PR, the site does not really have so high pr. Don't just look at the PR on Google Toolbar, don't bother, check with tools.
Three. js script steering.
Some links are using JS script to turn, seemingly normal surface, click on your good keyword links can also open your site, is actually JS script to write the turn. This needs careful examination to be able to avoid.
Four. Cross Link
Because you made a cross link, the other party was done, but after a while you probably forget to cross that station, the other side will delete your link. So the street is not encouraged to cross.
Five, do not pass the weight
Links Use the nofollow attribute, or use the script to turn, such links are actually not a normal link, and can not pass any weight.
Vi. Use of robots.txt documents
Some of the links to the site seems very normal, but the use of robots.txt, so that search engines do not include links
In fact, links have a lot of knowledge, but simply say my opinion, I hope this article on your site help! A webmaster group: 77329841 hope to get expert advice. Say the wrong place, also ask everybody to give a lot of advice. My Site http://www.7rjob.com small ad, I hope A5 don't mind, thank you very much!