The key to ranking well in the Search engines results pages (SERPs) is creating quality backlinks to your website. The key creating quality backlinks is to optimize them during the process of link building.
This list will provide a better understanding on how to optimize this process. It will also show you how not to get [...]

Apart from well-known characteristics of backlinks like relevancy, diversity, acquisition rate, etc, are there any other that might be considered as well? Some people wonder if age of backlinks is a factor either.
The short answer, is yes, it is definitely taken into account (I believe). The other question is “how important is it” and what [...]