Advanced Link Counts

Each domain name is dissolved into a unique IP address, under which the respective website is accessible. The IP address, in turn, has various classes (AAA.BBB.CCC.DDD). A high C-class popularity means that the website has backlinks that originated from many different IP addresses with different C-classes.

Metric	Description
cPop	The number of linking ClassC addresses to the domain.
IPpop	The number of linking IP addresses to the domain.
DomPop page	The number of linking domains to the page.
IPpop page	The number of linking IP addresses to the page.
cPop page	The number of linking ClassC addresses to the page.
DomPop topdom	The number of linking domains to the top-level domain.
IPpop topdom	The number of linking IP addresses to the top-level domain.
cPop topdom	The number of linking ClassC addresses to the top-level domain.

What is a Top-Level Domain / Domain?

A Top-Level Domain (or root-domain) is, for example, .org. It is virtually the top level of a domain.

A Topdomain (referring root-domain) is wikipedia.org.

A Domain, for instance, is en.wikipedia.org.