Google page rank is an index given by Google rating the “quality” of a webite. By quality, we do not mean quality of the content of the website but of the overall web presence. This score comes from a huge algorithm. What one needs to be careful with, is that the bigger the rating of a website, the better quality it is considered to have. Usually, the score is regarded as satisfactory if it is is more than 3 / 10. In general one must know that Google hardly gives a good score on websites, which must comply with numerous requirements. The higher the Google Page Rank for a site, the greater the chance to display the website in the first search results for keywords (keywords) related to this site.
For example, if we put the word SEO in the search bar of Google, the first results will display the site Seomoz, this is because the website has been rated 7 / 10 and of course the website’s content is highly relevant to the keyword SEO that we put on the bar search. The google page rank for each site can be viewed on the www.prchecker.info
And what is overall web presence?
When Google locates many many links to a website within lots of other websites, that means for Google that this website ia important for internet users since there are lots of other websites that refer to it. These links are called backlinks. Furthermore, the more high PR sites point to your site, that means that your Google Page Rank may become greater.
[...] the same keyword is being “used” by many sites that have high PR, it is normal that there is no sense in using it while we just created our website and we can not [...]