means the amount of domains pointing to a website.
The authority and
organic search results of a domain depend on the amount and
quality of backlinks.
backlinks are niche related contextual links.
Home page links are the most valuable ones.
Domain Rating (DR) or Domain Authority (DA) is a measure of a
website's authority based on its backlink profile. The scale
runs from 0 to 100. Generally speaking, the higher this number,
the stronger and more authoritative the site is.