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?
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9 {  n! U6 ^+ t6 i1 X* N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。
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。
+ Z$ ~$ ~( I6 s( R( K" F1 ]! r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：
% p1 F1 g, B0 k: kEngadget (from 7 to 5)
1 ^# e5 k1 T) q5 _7 \# [4 Y: dAutoBlog (from 6 to 4)
Problogger (from 6 to 4)
* ~( I/ g0 K+ d4 V/ `7 ^Copyblogger (from 6 to 4)
Search Engine Journal (from 7 to 4)
Quick Online Tips (from 6 to 3)
1 c( K5 i: b7 `6 I& I) B* `Search Engine Roundtable (from 7 to 4)
; t) W% a% t! |& t; y. `: x- o; NBlog Herald (from 6 to 4)
Weblog Tools Collection (from 6 to 4)
JohnTP (from 6 to 4)
Coolest Gadgets (from 5 to 3)
. S5 U1 a7 T% D( J( wCyberNet News (from 6 to 4)
John Chow(from 5 to 4)
主流新聞、媒體網站的PR值變化：
" l5 s- M. ]+ b* YWashington Post (from 7 to 5)
Washington Times (from 6 to 4)
Charlotte Observer (from 6 to 4)
Forbes.com (from 7 to 5)
( E; D( h# Z- A( a2 LSFGate.com (from 7 to 5)
Sun Times (from 7 to 5)
( k, T$ M1 @6 W' @' @1 qNew Scientist (from 7 to 5)
Seattle Times (from 6 to 4)
# Y* J0 d) b7 d! r  L1 Q5 a4 `# Q轉:http://www.webjx.com/news/focus/20071030/news_focus_109.html