Your link profile is the make-up of all the backlinks that are directing towards your website. A healthy link profile is one most likely to be recognized by search engines as natural, authoritative and non-spammy. If you want to gauge the strength of your link profile, ask yourself where your backlinks originated from, how were they created, and what content do they point the users towards.
Your backlinks must come from a high-quality source. These are websites with high page authority and tons of web traffic. Apart from this, the anchor text for your backlinks should be contextually relevant and not over-optimized. Additional key ingredients include: