As commonly known, links play dominant role in determining page ranks. Orange Line's conducted a survey on 501 SEO professionals across the world to evaluate link. This survey tried understanding how we see as a community evaluate link opportunities.
When asked to state the most used domain level metrics to evaluate a potential link, 78% of the participants said domain authority, 50% of them stated number of back links, another 50% of respondents stated that site theme.
However,while 57% of people considered back links, 55% of people used page authority, to evaluate links. When performed manual check of a potential link, 67% of SEO professionals said they look at the quality of design, and user experience. And 63% of professionals watched number of outbound links.