[Matt41]

Page Rank is a link analysis algorithm. It is used by Google which assigns a numerical weighting to each element of a hyperlinked set of documents for "measuring" the relative importance within the set.

[benetonowen]

Google Page rank is helpful to get known about the website visitor. It is priority started from 0 to 10.

[SEO]

 Visitor?    Then can you tell me why some websites with a few visitors have bigger PageRank than other websites with many visitors?

[Linda]

This is the result of the backlinks with the higher PR. So, if your site has high PR backlinks, you'll certainly have higher PR.

[SEO]

 Why only the backlinks with the higher PR?

[Shantana]

PageRank's primary aim involves in determining the authority of a web page for a particular term in the web today - but in order to show up in the search to start with, your site needs to be properly tuned, optimised and have good, solid content.

[LeenaJoseph]

It is an algorithm which is executed to assign a value for a website or webpage.

[kattybrain986]

If you have a well built website and its SEO friendly then Google will rank your website at a higher position in the search engine.PR of a website is very important in SEO.

[Dollie]

Google page rank is a numeric value which is come from 1-10. It can be gained from the quality of a website.

[gemmythames986]

Google page rank is an important factor from SEO perspective. It is a value which is assigned by Google in order to determine how important the page is for the Google search engine.

[Eworxtechnology]

Page Rank is depend on websites quality, content, back links, traffic and which is follow Google algorithm also.

Spamlinks removed!
EDIT: Admin.

[dora]

Some are saying PR is not an importnt fact to rank a page. But I do beleieve If you need to rank well at least try to get Pr1 for your website.

[loveDesign]

But not every time higher Page Rank = higher in SERP.

Yes , that's true , there are other important things then Page Rank , so don't focus on that .

[SallyWest]

It is an algorithm used to add a numeric value to websites. It is used to measure the importance of website pages.

[hathem]

PageRank measure's a web page's importance.Search engines like Google fixes a rank for each website based on the keywords in domain name, content,design of website,TLD,Domain age, number of visitors,loading capacity etc.The Internet's users go to a search engine before reaching a web site.When someone types a product into a search engine, and if our web site is listed at the top of these results,they may visit our site and chances are there that they may become our customer.So to attain a good pagerank will be the aim for all websites/blogs.PageRank ranges from 0 to 10.The more you rank in search engines the more beneficial for you.
Now,there are many techniques to improve the pagerank like good quality in the site/blog, regular updates,interlinking posts,Good website design & uptime,social media,affiliate marketing etc and SEO is one such technique.It uses various techniques like usage of suggested keywords,sitemap creation,submission to search engines etc.Through such legal process one can gain the desired web presence.
The factors that Google considers are keywords in URL, Title, Text, Domain age,Number of visitors etc.It keeps updating the factors for page ranking. The companies that provide SEO also should update accordingly.If we get services from such a concerned company then we can definitely make SEO to be effective.I have used the SEV(Search Engine Visibility) from XnYnZ.com as they provide keyword and suggested topics,submit the site to over 100 search engines and also provide reports which eventually improved my website traffic.