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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" O% f& h, E  N3 e2 \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。
2 V$ O% r0 O$ v( ]1 o8 R$ @$ C+ a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)
; S, b% n7 O9 o) ]AutoBlog (from 6 to 4)
Problogger (from 6 to 4)
Copyblogger (from 6 to 4)
: O* E) Y, |$ V/ H  Y, XSearch Engine Journal (from 7 to 4)
- u) |7 V; E* Z; z# N8 ?Quick Online Tips (from 6 to 3)
6 Q, w/ d  b3 D9 ]9 U& p( qSearch Engine Roundtable (from 7 to 4)
Blog Herald (from 6 to 4)
Weblog Tools Collection (from 6 to 4)
JohnTP (from 6 to 4)
8 {" d* D8 e! G+ _/ T8 U0 k% XCoolest Gadgets (from 5 to 3)
CyberNet News (from 6 to 4)
John Chow(from 5 to 4)
主流新聞、媒體網站的PR值變化：
+ |/ w+ H! f; [Washington Post (from 7 to 5)
Washington Times (from 6 to 4)
Charlotte Observer (from 6 to 4)
5 z% w/ n  q+ ^  tForbes.com (from 7 to 5)
SFGate.com (from 7 to 5)
Sun Times (from 7 to 5)
New Scientist (from 7 to 5)
Seattle Times (from 6 to 4)
! |* ~7 @+ d5 @3 _  v" }1 S轉:http://www.webjx.com/news/focus/20071030/news_focus_109.html