Link-Building is one of the important aspects of SEO. There are a large number of metrics to possibly take into consideration. Google PageRank is the Vital one in those. PageRank depends on several factors like backlinks..etc. 
 

For example, if you generate a report where you’re looking to calculate the overall strength of your Web site, you can gather data across a number of metrics, such as

Link-Building is one of the most important aspects of SEO (Search Engine Optimization).Google Blog search is very to helpful to your link-building efforts. It can help you find to-the-hour fresh and hyper-targeted blog posts that relate to your keyword terms!

Visit Google Blog Search.

Type any keyword terms that the content on your landing page focuses on. You will get related blog posts links.

Tip 01: If you want to leave a comment on a blog, try submitting that blog’s home page and RSS URL to pinging services like Ping-O-Matic and Pingoat. There’s no guarantee that the result will be Google’s bot revisiting that blog and finding your comment any faster than if you hadn’t submitted the blog, but it takes all of 15 seconds each to submit and you very well may be doing yourself a favor by doing so!

Tip 02: Set up Google Alerts and have Google email you whenever they index a new blog post related to a keyword term you’re interested in! Simply visit Google Alerts, put in your keyword term, select “Blogs” from the type selection box, select how often you want to receive results, then select the volume of results you want and enter your email address and you’re all set!

Tip 03: If you want to see how that site’s content typically performs, try using SEOmoz’s Open Site Explorer to find the strongest pages and number of unique root domains linking to them.

Use bit.ly to shorten a URL

bit.ly is the easiest way to make long links short, share and track them. You can see how many clicks, Twitter and Facebook shares a link has received with bit.ly? Give this little method a try and see what it can do for you!

Example: http://bit.ly/a1HWLD

Google is also offering URL shortening service: goo.gl

Facebook has launched a really URL shortener fb.me

The other important names in this segment are is.gd, tr.im, snurl, kl.am, snipurl, ff.im, ow.ly, adjix. Then there are shorteners of apps like Stumble upon, Digg, Wordpress, Posterous – Su.Pr, Diggbar, Wp.me and Post.ly. And today Tweetmeme, the Twitter Link Tracker announced the launch of rep.ly a short URL service to track URLs in the comment system.

WebP is Google’s latest tool to speed up the Web. Website speed is one of the most important aspects of on-page SEO (Search Engine Optimization). With this we can change title tags, posting content, etc.Google launches new WebP tool for reducing size of an image by any given number of KBs?

By using WebP, you can:

* Provide a faster user experience on your site.

* Reduce your bandwidth and hosting costs.

* Improve the web!

Google’s WebP Home Page: http://code.google.com/speed/webp/

Google recently published a brand new starter guide to SEO on September 28, 2010. It's a great day for SEO novice and is perfect for them to learn form beginning. The new Google’s Search Engine Optimization Starter Guide covers all SEO basics and tips. It also explains about Keyword research and link-building.

Google’s Search Engine Optimization Starter Guide: Download Here