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We exchange links in the time, often to see the other side of the site included Ah, snapshots Ah, PR value, and so on, plainly is to see the other side of the weight of the site, that how to judge the weight of the site? I usually judge from four aspects.
1, look at the snapshot of the site.
This is to see the Web page was included in the search engine time, if an article can be included in one hours that the weight of the site is still very high, such as ADMIN5 forum articles can be published in 3-5 minutes after the Baidu can be included, that means the station weight is relatively high. And we want to exchange links with the site, it is not possible to request a collection of sites so fast, so we want to look at the site's snapshot time, generally speaking, not more than 7 days.
2, look at the weight of the Web site.
The problem is more abstract, in fact, the operation is very simple, you only need to search the various search engine box input site: www.wz120.cc, so you can see the site's included page, if this site's first page, and time is yesterday, that means the weight of the site is relatively high. If there is a home page is not the first phenomenon, it means that the site may be down the right, and even some of the home page is not included, that and such a site for links is meaningless.
3, look at the site's keyword ranking
Keyword ranking to a certain extent, you can see the weight of the site, if a website keyword rankings are not bad, that means that the weight of the site is relatively high, here is why the original in the exchange of links when a lot of people have stressed their site what word of the first word of what words, ranked second, and so on.
4, see Alexa rankings, PR value and so on.
Everyone in the exchange of links when the demand for PR Peer-to-peer exchange, although the PR is only Google's judgment conditions, but this also to a certain extent to explain the health of the site, in addition Alexa ranking is also a measure of the site.
Of course, check the weight of a site there are many aspects, generally from these four aspects of the site can make a general judgment of the weight, there is a point to remind everyone is, do not and collect the station do link, so sooner or later will harm you.