Checking Back-Links can be a pain in the back. No, it isn't what it always looks like. Because, while checking Back-Links. Its much important to know that a lot of links that are covered by useless, cheap, back-link checker tools are actually no-follow. Not only this, but these tools show a lot of mirror links. Which can be really annoying at times.
Not only this, but the people who are in link building. Like I am in guest blogging industry. We have to dig deep for links which point to a site. To rank our client's site better. Even the least intuitive processes of link building includes link research, link pruning and more things like that.