Google's algorithms, such as PageRank, heavily weigh backlinks in determining rankings. A backlink from a high-DA site (e.g., DA 50+) can significantly improve your visibility. LSI terms like "dofollow links" refer to those that pass link equity, unlike nofollow links which don't. Without a solid backlink profile, even the best content might languish on page two of search results.
Why does this matter? Statistics from Moz show that sites with strong backlink profiles see up to 3.5 times more organic traffic. In competitive niches, finding the best sites to buy backlinks can give you an edge, but it's essential to combine this with organic efforts for sustainable growth.