At present it has grate change of SEO. SEO means not only Backlink. But still now Backlink plays a vital role in SEO of your site. Sometimes ago by making Backlink from Low PageRank Website, you could increase SEO score.
But now making Backlink from High Page Rank Website is only considered as quality Backlink.
If you are a blogger, you have to conscious about Backlink of your site. For this you can use some Backlink Checker Tools. By this Backlink Checker Tools you can easily track your backlink number of your site. Basically backlink is two types such as dofollow and nofollow.
When we discuss about making Backlink of your site,it means only dofollow backlink.
The Backlink which gets from High Page Rank Website plays a crucial role to increase your site’s Page rank.
Top 3 Online Backlink Checker Tools: