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?

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。
+ \$ {* l- O8 j! _4 L: E" F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。
國外幾個知名大博客的PR值變化：
Engadget (from 7 to 5)
) U# t4 f+ a3 M. aAutoBlog (from 6 to 4)
Problogger (from 6 to 4)
9 W  c; W7 ]3 y1 U' C- qCopyblogger (from 6 to 4)
1 w, w8 j# _+ @7 |1 e0 T. tSearch Engine Journal (from 7 to 4)
8 [3 ]5 H* Y' q# r; X& ]: MQuick Online Tips (from 6 to 3)
# P. `- g0 r6 R  c3 U, L4 m* Y/ X$ VSearch Engine Roundtable (from 7 to 4)
Blog Herald (from 6 to 4)
Weblog Tools Collection (from 6 to 4)
JohnTP (from 6 to 4)
Coolest Gadgets (from 5 to 3)
/ V, D: F* L& \$ GCyberNet News (from 6 to 4)
! a1 J: t  v% V' B4 j' t/ OJohn Chow(from 5 to 4)
+ Y/ s# ~$ ]# `主流新聞、媒體網站的PR值變化：
& C' W, d" W* K) yWashington Post (from 7 to 5)
Washington Times (from 6 to 4)
/ M4 i1 e" _. Z9 rCharlotte Observer (from 6 to 4)
Forbes.com (from 7 to 5)
% ~# _/ D2 |, f5 V2 s5 fSFGate.com (from 7 to 5)
Sun Times (from 7 to 5)
New Scientist (from 7 to 5)
Seattle Times (from 6 to 4)
轉:http://www.webjx.com/news/focus/20071030/news_focus_109.html