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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: R$ ?( [1 X5 L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。
2 I0 `# L/ K: G) J% c) s8 L下面給出被「地震」了 PageRank的網站列表。
8 A$ z# b5 D& d% A+ ^" E% s! @. m國外幾個知名大博客的PR值變化：
Engadget (from 7 to 5)
( {' y1 g9 o) ^" l, }AutoBlog (from 6 to 4)
Problogger (from 6 to 4)
Copyblogger (from 6 to 4)
" }' b3 E7 f& V, L: H* V" JSearch Engine Journal (from 7 to 4)
3 S: M8 c8 Q2 N' d3 e" y& ?Quick Online Tips (from 6 to 3)
* a' b# c! w2 K; _Search Engine Roundtable (from 7 to 4)
& w/ @3 c% t9 _) dBlog Herald (from 6 to 4)
Weblog Tools Collection (from 6 to 4)
: V+ U3 |- }8 u3 q  {JohnTP (from 6 to 4)
& e  B& C! x- ^8 E: |; A+ lCoolest Gadgets (from 5 to 3)
0 n6 c( m& u( N2 f0 B+ CCyberNet News (from 6 to 4)
John Chow(from 5 to 4)
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)
6 R/ L/ H. C- t5 w* iCharlotte Observer (from 6 to 4)
Forbes.com (from 7 to 5)
: p' w% D& B2 A% I9 A7 Q* ZSFGate.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