轉:Google PR值全球大地震

今天國外幾個原來PR值都是6以上的博客的數值出現了大幅下降!究竟是什麼原因使這些Blog PR值下降這麼多呢?不久前有許多博客發現PR值下降是因為他們有在Text-Link-Ads這一類的交易連接網站中出售鏈接.普遍猜想會不會是Google PageRank的下降跟出售文字鏈接有直接的關係?

3 F, ^1 n! O$ D0 T但這次Google PageRank大地震中有許多博客是沒有出售連接的，如：Problogger和Copyblogger都沒有出售文字連接，也是從PR6降到PR4，一夜之間就降了2個點數的PR值。
' g: U" W9 n" ^8 s% W主流網站也避不掉Google PR大地震，除了博客的PR被大調降外，一些主流新聞、媒體網站的PR值也大調降。
下面給出被「地震」了 PageRank的網站列表。
. _/ `0 J! S& ^3 B8 p國外幾個知名大博客的PR值變化：
& l3 k1 H% v7 _7 g( n1 r% xEngadget (from 7 to 5)
2 R/ e+ q0 G. g$ }6 ?* \0 M6 N3 FAutoBlog (from 6 to 4)
Problogger (from 6 to 4)
Copyblogger (from 6 to 4)
Search Engine Journal (from 7 to 4)
8 c( C$ l, f9 i8 ?+ V* s( @Quick Online Tips (from 6 to 3)
6 c% c. e( q0 h6 f8 aSearch Engine Roundtable (from 7 to 4)
  Q7 f7 \7 y! F8 c* _% e0 fBlog Herald (from 6 to 4)
Weblog Tools Collection (from 6 to 4)
JohnTP (from 6 to 4)
Coolest Gadgets (from 5 to 3)
3 l7 W1 H6 ]! x1 N3 LCyberNet News (from 6 to 4)
John Chow(from 5 to 4)
1 K& v# w- R0 W3 i0 ?% {4 K主流新聞、媒體網站的PR值變化：
Washington Post (from 7 to 5)
Washington Times (from 6 to 4)
Charlotte Observer (from 6 to 4)
Forbes.com (from 7 to 5)
0 H* c4 q3 V8 y: K$ f  iSFGate.com (from 7 to 5)
" z* `$ U: ^0 j! QSun Times (from 7 to 5)
2 N. g2 M# C6 ]% }) u- P% kNew Scientist (from 7 to 5)
- x; b* P, `2 H" FSeattle Times (from 6 to 4)
轉:http://www.webjx.com/news/focus/20071030/news_focus_109.html