Several things affect a link profile. Taking a look at the deeper complexity of a link is vital because it gives you an unfair advantage over your competitors whose focus is on the quantity of links they can get.
A healthy link profile consists of a lot of high authority links that are pointing to your site and no spammy links.
The breakdown of a good link profile is:
It must contain lots of relevant, high authority, and high-value backlinks
zero spammy links
In the Moz’s list of Google ranking factors, you find that domain-level link features and page-level link features are the two most important factor that influences organic listings.