This is the time-consuming process because getting the sufficient number of inbound links to increase your website PR takes many months/years.If you get the low PR inbound links unknowingly, then it will decrease your website PR. So, we should be very careful while getting inbound links.

SEO stands for Search Engine Optimization.In the seo,there two type of SEO
1.On Page.
In the On Page worked on meta tags and errors.
2.Off Page.
In the Off Page some tools and methods used to increase the ranking and traffic of a site.