There are situations when links to the first level have already been put down and they continue to be put in a fairly large number, but there are still a lot of resources and I want to put more. In this case, you can strengthen the links that have already been placed on the site being promoted with the second layer - that is, put links to links.
You're right, backlink promotion is the best way to date, there are really link builders out there. The number of visitors does not depend on the beauty of the site, but depends on which server will promote your site, and in this competition, backlinks win today. In our institute, where I study, many use their services, but these services are paid, if there is money, then there will be no problems.
Working with backlinks is necessary for those who have their own website in order to post a link in a topic or forum after clicking on which the user will be redirected to your site. If in your own words. After the first failures, you will learn how to make backlinks.
