Glossary
A-Z reference of all SEO metrics and terms used in Site Explorer.
Anchor Text
The clickable text in a hyperlink. Search engines use it to understand the topic of the linked page.
Authority Rank
A global ranking of websites based on the strength of their backlink profiles. Lower numbers indicate stronger sites.
Backlink
A link from an external website pointing to your site. One of the most important SEO ranking factors.
Broken Backlink
A backlink pointing to a page that returns a 404 error, resulting in wasted link equity.
CPC (Cost Per Click)
The average price advertisers pay for a click on a Google Ads ad for a specific keyword.
Dofollow Link
A link that passes ranking authority (link equity) to the target page. The default link type.
Domain Rating (DR)
A 0-100 score measuring the overall strength of a domain's backlink profile.
Keyword Difficulty (KD)
A 0-100 score estimating how hard it is to rank in the top 10 for a given keyword.
Linked Domains
The number of unique external domains a website links to through outgoing links.
Nofollow Link
A link with a rel="nofollow" attribute that tells search engines not to pass ranking authority.
Organic Keywords
The total number of keywords for which a website appears in search engine results.
Organic Traffic
Estimated monthly visitors from unpaid search engine results.
Outgoing Links
Links from a website that point to external domains.
Paid Cost
The estimated monthly spend on paid search advertising (Google Ads).
Paid Traffic
Estimated monthly visitors from paid search ads.
Referring Domains
The number of unique websites that contain at least one backlink to the target domain.
Search Volume
The estimated number of monthly searches for a keyword in a given country.
Top 3 Keywords
Keywords where a website ranks in positions 1, 2, or 3 — the highest-traffic search positions.
Traffic Value
The estimated cost (in USD) of buying the same organic traffic through Google Ads.
URL Rating (UR)
A 0-100 score measuring the backlink strength of a specific page (not the entire domain).