Siteimprove vs Surfer
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Surfer is the stronger AI pick in SEO Tools: it has a visibility score of 12 versus 0.6 for Siteimprove, and ranks ahead in 100% of the answers that name both.
Choose Siteimprove if…
- AI answers describe it more positively (50% vs 43% positive)
- You need ISO/IEC 27001:2022 coverage
- You prefer a larger, established vendor (201–500 employees)
Choose Surfer if…
- You want the brand AI engines rank higher (12 vs 0.6)
- Content optimization focus
- Strong AI search visibility
- High ratings on G2 and Capterra
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Siteimprove | Surfer |
|---|---|---|
| Visibility score | 0.6% | 12% |
| Change vs last week | New | New |
| Rank in SEO Tools | #39 | #8 |
| Share of voice | 0.4% | 4.4% |
| Mentions this run | 2 | 23 |
| Positive in AI answers | 50% | 43% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Siteimprove 0pp · Surfer 0pp over 0 weekly runs.
Engine by engine
Surfer leads on 3 of 3 engines
Head to head in AI answers
1 engine answers name both brands
| Prompt | Engine | Siteimprove | Surfer |
|---|---|---|---|
| Which SEO Tools vendors do analysts recommend? | Perplexity | #11 | #6 |
Features, pricing & fit
| Dimension | Siteimprove | Surfer |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | $49 / mo |
| Free plan | — | No |
| Integrations | 40+ | — |
| Compliance | ISO/IEC 27001:2022 | — |
| Support | Platform onboarding, Accessibility testing by certified experts, Consulting in digital accessibility and digital marketing | Customer Support (24h, Mon–Fri), Knowledge Base, Surfer Academy, Personalized Onboarding |
| Founded | 2003 | — |
| Headquarters | Bloomington, Minnesota, USA | Wrocław, Poland |
| Employees | 201–500 | 51–200 |
| Funding | Minority investment led by Summit Partners · $55M raised | — |
| Best for | Organizations that must balance regulatory compliance with search and content performance. | Marketing and SEO teams, agencies, in-house content teams and individual content creators who want to grow organic traffic from Google and AI search. |
Plans side by side
Siteimprove
Pricing not available.
Surfer
Pros and cons
Themes from the AI answers that mention each brand
Siteimprove
Profile in progress.
Surfer
- Content optimization focus
- Strong AI search visibility
- High ratings on G2 and Capterra
- Scalable optimization for content teams
- Limited backlink research
- Fewer reviews than Semrush
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Siteimprove vs Surfer”, https://slateindex.ai/compare/siteimprove-vs-surfer, data of Nov 2, 2026. Licence: CC BY 4.0.