There is question that a website has 4 keywords on home page now how we can calculate that how many back links i have created on each keyword?
I don’t think is there any software of website who can tell you exactly your created backlinks against keywords but there are few sites who can tell you total backlinks you built for your website.
Actually, you can see the backlink anchor text used for links to pages in a number of link analysis software solutions - Cognitive SEO and Majestic SEO immediately come to mind.
Magestic SEO, SitePoint Explorer, and backlinkwatch.
These tools are great for checking backlinks but I like backlinkwatch the most because it displays up to 1000 backlinks for free.