Plan a test page for more than a month to http://www.ugia.cn/pr.php, these days Google updated PageRank, now you can see the PageRank value of this page is 10. Now I finally know the principle of http://www.pr10.darkseoteam.com.
The principle is actually very simple, www.ugia.cn / pr.PHP's PR value is actually www.google.com. There is a small program in this page. If Google Bot accesses this page, the HTTP301 or HTTP302 will be automatically turned to www.google.com. Then Google Bot thinks this page is a mirror (guess) of Google.com. So the PR value is Google.com.
IF (strstr ($ _ server [http_user_agent '], "googlebot")) {header ("http / 1.1 301"); Header ("location: http://www.google.com");}
So if you turn to www.msn.com, the PR value of this page is 9. But if you add this paragraph in the default homepage of ugia.cn, Google can't index my website, so this method can only be used as entertainment, huh, huh.
