Link Building SEO - Quantity Vs Quality

Most people know that incoming links are anapproximately 10 times the authority of a website
important part of improving your websites ranking,with a PageRank of 0, but a website with a
but should you focus your link building SEO efforts onPageRank of 5 has approximately 100,000 the
obtaining a large quantity of easily obtainable linksauthority of a website with a PageRank of 0. What
from wherever you can get them, or focus onthis means that one good link from a website with a
obtaining high quality links that are typically harder toPageRank of 5 can be much more powerful than 100
get? Most link building experts would agree that bothor perhaps even 1,000 links from a website with a
quantity and quality are important, and in most casesPageRank of 0.
(although there are exceptions), any link to yourIn addition to PageRank there are several other
website helps. However, because of the way Googlefactors that determine the quality of a link and why
and other search engines value links, focusing yourfocusing your link building seo efforts on obtaining
link building SEO efforts on quality is more often thanquality links is more important than focusing on
not the better choice. So what makes a link a "qualityquantity links. Relevance of the link is perhaps the
link" and why is quality more important than quantity?most important. If your website is about
To best understand why quality is more importantsnowboarding than a link to your website from
than quantity we need to see link building SEO fromanother website that is about tropical fish isn't going
the perspective of Google. Google places a value onto do you a whole lot of good. A website about
every website and every webpage that it indexes.snowboarding needs links feeding it from other
The most famous measure of a website andwebsites and webpages that are also about
webpage's value is Google's PageRank. Google assignssnowboarding. When examining a link Google looks at
each webpage a ranking from 0 to 10 as a measurethe surrounding text on the webpage and the anchor
of its authority. Webpages with a ranking of zero aretext as a way to establish if that link comes from a
typically very new and insignificant. Webpages with arelevant source. The anchor text is the text that
ranking of ten carry an unprecedented amount ofcontains the actual link itself. So if Dr. Shred's
authority. An example of a webpage or website withSnowboard Shop (fictitious company) wants to rank
a rank or zero might be a new blog or a new smallhigh in Google for the keyword search term
website for a pet store. An example of a PageRank"snowboarding gear" the link to Dr. Shred's website
of ten would be the or USA.gov. Google considersshould come from a webpage about snowboarding
links that come from websites with a highergear and the anchor text leading to that is clicked on
PageRank to be more important than links that comeshould read "snowboarding gear" rather than simply
from websites with a lower PageRank. However, it isRelevancy is why obtaining dozens or even hundreds
important to understand that Google's 1 to 10 scale isof links from irrelevant sources are not as effective
not linear, rather the authority of a website increasesin improving a websites ranking as a few links from
exponentially with each increase in PageRank. Inhighly relevant sources.
other words, a website with a RageRank of 1 has