ウェブマスターが振り回されるからやめろという理由。  

だったら PageRank 表示廃止してもずっと振り回されつづけるよ。  

『In 2009, Google launched the parameter handling feature of Google webmaster tools, which enabled site owners to specify the parameters on their site that were optional vs. required.  A year later, they improved this feature by providing an option f  

『What are the technical reasons porn sites have such low PageRank? None go over PR6. A lack of links from trusted sites? Rampant link exchanges with low quality sites? Penalties for affiliate links? Or is there a general penalty on the industry? Studio 3X, New York』  

『「評価対象は最初のリンク」ルールとハッシュ記号――PageRankスカルプティングへの影響は？』  

『StumbleUpon.com Data is here! and now detects 46 of the most common web frameworks and javascript libraries, has popout ability, themes, adds PageRank to Google and Bing SERPs, detects robots.txt and has even more automated SEO suggestions to help do you job for you :)』  

『One thing that I think is still overhyped is PageRank. People think, yeah, you do this computation on the web graph and then you just order all the pages by that [PageRank]. Yes, that computation is important but it’s just one of many things. And  

『Google has been working on some new algorithms and tools to tackle linkspam and we’d like to ask for linkspam reports from you. If you’d like to tell us about web sites that appear to be using spammy links (e.g. paid links that pass PageRank, blog spammers, guestbook spammers, etc.), here’s how to send us more info. Go to』  

『3. Get more internal links via cross linking related pages. Look at my example url http://www.mysite.com/widgets/blue/bright/small/id=373,. If that page only has 1 internal backlink  (Widgets ->Blue –>Bright –> small page) then it would