PageRank 是 Google 自行開發的評分基準，目的是把每一頁已登錄的網頁（對，每一頁）都按一個標準選色計算出每個網頁的實用律，作為計算每一個網頁在 SERP (Search Engine Result Page) 排名的主要元件。

評分由0 – 9，0 為最低值，9 為最高值。

特點 / 引申

為了更準確反映一個網頁的實用性，PageRank 的計算方法會隨時日經常更新。現時已知若有大概 200左右的因素會影響 PageRank 評分，而 PageRank 本身也只是其中一個決定網站排名的因素，並不等於網站排名 (SERP Ranking)。

若想知道一個網頁的 PageRank 值，可以下載 Google Toolbar。

Previously we have talked about how to optimize your Twitter page with Name, Username, and the More Info URL in 5 Tips to Optimize Your Twitter Page - Part 1. For those of you who have been sticking with me from the previous post, this is Part 2. 

Tip 4: Flood Your One Line Bio with Keywords While Maintaining Natural Readability!

OK, this one is easy. Use as many keyword (both broad and long tail keywords) as u could, however it is very important to maintain natural readability. Unlike optimizing the Title Tag and Description Meta Tag that you already have Title Tag to demonstrate the keyword discretely and your Description Tag will then have to emphasize on making it natural writing, however Title of the Twitter page SERP results have already been occupied by Name and Username. Therefore, it shouldn't be too hard selling putting your keywords in a descrete manner. However SERP algorithm in most serach engines are sophisticated enough that over doing anything pretty much will be penalized these days. So beware not to just repeat the same keyword over and over again. Even if it may help, still, won't give you much traffic simply because it is ANNOYING!