Website SEO: Exchange link PR output value is very important

1: First we understand what is the PR output value?

PR output value, is the PageRank value of the page export. In SEO, the significance of PR input value is to help promote the PageRank value of the linked page. For example, a page has a total of 10 export links, then a page of the PR output value is a page passed to the 10 linked pages of the PR value. A the higher the PR value of a page, or the less the export link, then its PR output value is higher, the other side to obtain the PageRank number.

PR Output Value formula is: (1–0.85) + 0.85 * (pr value/outside chain), if the formula 0.85 as a 1, then its simplified formula is: PR output value =PR value/outside the chain number. From the simplified formula can be seen in the site PageRank value of the premise of Constant, http://www.aliyun.com/zixun/aggregation/8486.html "" "and the more the number of external links, the output of the PR value is smaller. It needs to be clear that even the PR0 page has a PR output value.

2: How to query the site's PR output value?

We can go through Webmaster tools to query, open http://tool.jz123.cn/ExportPR.asp query page, enter the site address can directly query the site's external links and PR output values. We can get the PR output value of the data.

3: Why the Exchange link PR output value is very important

Many of our webmaster Exchange links for the purpose of 3 kinds

1: Improve PR

2: Improve the ranking of keywords

3: Increase the exposure rate

Then we are really important is the 1th. There are a lot of sites he although and a lot of relatively high PR made a link, but their site's PR or not to go, why? The reason is that the value of the other station PR output is too small, The impact on your station is not big at all. Then your PR will not go up. So we must pay attention to the PR output value in the process of choosing. Friendship Link Platform www.zzgjj.com.cn added similar functionality Webmaster can through the platform of the site data to choose which stations PR output value higher to exchange to improve their PR.

Summary: We want to improve their PR that exchange links when you must pay attention to the site's PR output value, if you want to improve the keyword ranking words and the luminosity, we can ignore can be found included good, snapshot the next day.