Ahrefs
It crawls the web like a search engine and sells you the map — link data the industry argues WITH, not about.
- Founded
- 2010, by Dmitry Gerasimenko
- HQ
- Singapore
- Crawler
- AhrefsBot — among the web's most active
- Famous study
- '90.63% of pages get no Google traffic'
Forms & parts of speech
What it is
Ahrefs is the Singapore-built SEO platform founded by Dmitry Gerasimenko in 2010, running one of the most active crawlers on the web (AhrefsBot) to maintain a backlink index practitioners treat as the reference. The toolset — Site Explorer (links and organic research), Keywords Explorer, Site Audit, Content Explorer, Rank Tracker — sits on that index, with the free Ahrefs Webmaster Tools tier as the on-ramp.
Why marketers rely on it
Link data quality is the moat: when an SEO needs to know who links to what, Ahrefs is usually the first tab open. The blog's data studies — most famously that 90%+ of pages get zero Google traffic — became industry-standard citations, and its bootstrap story (no outside funding, profitable, famously opinionated about it) made it the practitioners' favorite vendor culture.
How to use it well
Use Site Explorer for competitive link-gap analysis (who links to rivals but not you — the outreach list writes itself), Keywords Explorer for traffic-potential-first keyword selection (its parent-topic logic), and the content gap tools quarterly. Remember all third-party metrics (DR, traffic estimates) are models — directionally strong, absolutely approximate.
Synonyms & antonyms
Synonyms
Origin & history
Dmitry Gerasimenko — a Ukrainian programmer who'd built a search engine as a teenager — launched Ahrefs in 2010 as a backlink index (the name from the HTML 'a href' attribute), bootstrapped it from Singapore without outside funding, and expanded the crawler's output into a full SEO suite.
Etymology: source.
Usage trends
Search interest for this term over the last five years:
Common questions
- What is Ahrefs?
- An SEO platform founded by Dmitry Gerasimenko in 2010, built on one of the web's largest live backlink indexes.
- What is Ahrefs best known for?
- Backlink data quality — plus data studies like its finding that over 90% of pages get no organic Google traffic.
- What is Domain Rating?
- Ahrefs' 0-100 link-strength score for a domain — a proprietary model, comparable across sites but not a Google metric.
Related tools & calculators
Resources & people to follow
- referenceAhrefs.com — tools + blog
- referenceAhrefs' data studies — the citations library
- referenceAhrefs Webmaster Tools — the free tier
Curated, non-competitor resources verified per term.
Related training
- moduleContent marketing
Disciplines
Areas of marketing where ahrefs is a core concern:
Related terms
Sources
- trendsGoogle Trends — "ahrefs"