AFirstly, you need to know that SEO can be separated into 3 main categories. And they are technical, on-site, and off-site SEO. Link building is the main method used for the third category. And it has significant importance for the results produced by any SEO strategy. But it is not enough to use a link building service. If you ignore the other 2 categories, then the results you get will be mediocre. For this reason, it is essential to cover all 3 parts of SEO at the same time.