PageRank factors
1)Domain type:-Google gives more priority that uses these domains like .net,.org,.mil,.info than using .com domain type.
2)External links:-The number of sites linking to your sites is the most important factor of pageranking.Try to go for quality of links not quantity of links.
3)Frequency of posting:-Google loves new and fresh quality content.So, always keep in mind that the post must be attractive,effective and meaningful.Then,you will get more links otherwise not.
4)Content is king:-Without quality content no link building will help you to get in good search engine ranking.Having quality original content can get you a lot of traffic.
5)Bounce rate:-Bounce rate also affects your search engine ranking.you can check your bounce rate in Google Analytics and take appropriate measures to tackle them.
6)Broken links:-You must aware that your site doesnot have broken links.To do this,you can use "Broken link Checker" plugin.
7)Pageload time:-You must know that your site's loading time should be very low.
Domain type, content quality and external links are main issues which may be resolved to get High PR of websites.
Page rank is so important for analyse visibility of any site. I agree above factors of page rank for improving PR of any website. Thanks for sharing on this forum.
Domain Age, domain authority, domain popularity, site speed, link popularity and authority backlinks all are important to get good PR to a site.