Ahrefs vs Similarweb
Ahrefs vs Similarweb, compared side by side on 18 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Ahrefs is on 36/100 and Similarweb on 64/100.
Where each one leads
Ahrefs
- headcount growth: +22.7% against -1.1%
- LinkedIn following: 222,086 against 92,122
Similarweb
- our overall score: 64/100 against 36/100
- agent readiness: 58/100 against 41/100
- headcount: 1,271 against 200
At a glance
| Measure | Ahrefs | Similarweb |
|---|---|---|
| What it is | AI marketing platform for discoverability in search and AI. | Similarweb provides digital intelligence data and analytics to help businesses understand market trends, competitor strategies, and consumer behavior. |
| Category | SEO Tools, MarTech, AI Marketing, Content Marketing | Enterprise, Intelligence, Web, Web Analytics |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2010 | 2007 |
| Headquarters | Singapore, Singapore | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Ahrefs | Similarweb |
|---|---|---|
| Employees | 200 | 1,271 |
| Headcount growthLast 12 months | +22.7% | -1.1% |
| Total funding | Not published | $298M |
| Latest round | Not published | Secondary Transaction |
| Valuation | Not published | $400M |
| LinkedIn followers | 222,086 | 92,122 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Ahrefs | Similarweb |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 36/100 | 64/100 |
| Traction | 20/100 | 60/100 |
| Team | 30/100 | 70/100 |
| Search visibility | 76/100 | 67/100 |
| Quality | Not published | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 91/100 | 89/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Ahrefs | Similarweb |
|---|---|---|
| Hosting | Not detected | AWS |
| CDN | Cloudflare | CloudFront |
| Analytics | Google Analytics 4, Segment, Linkedin Insight, Facebook Pixel +1 more | Google Tag Manager |
| Support stack | Not detected | Zendesk |
What users say
| Measure | Ahrefs | Similarweb |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 1 positive, 3 negative across 6 threads |
“Similarweb — best for traffic intelligence. See any website's estim”r/Superframeworks
Ahrefs vs Similarweb: common questions
Which is better, Ahrefs or Similarweb?
On our 0-100 score Similarweb rates higher (64/100 against 36/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 18 data points above: read the rows that match what you are buying for.
How do Ahrefs and Similarweb compare on the numbers?
Ahrefs leads on headcount growth (+22.7% against -1.1%), LinkedIn following (222,086 against 92,122). Similarweb leads on our overall score (64/100 against 36/100), agent readiness (58/100 against 41/100), headcount (1,271 against 200).
What do real users say about Ahrefs and Similarweb?
Similarweb: 1 positive and 3 negative mentions across 6 Reddit threads we track, mostly in r/Superframeworks.
Read the full Ahrefs review and pricing or the Similarweb review and pricing. You can also browse other Ahrefs alternatives we track.

