LumarFind, prioritize, and fix SEO, GEO/AEO, & website issues at scale
vs
SiteimproveWhere accessibility meets performance
Comparison · SEO Tools · weekly run Nov 2
Lumar vs Siteimprove
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Lumar is the stronger AI pick in SEO Tools: it has a visibility score of 0.8 versus 0.6 for Siteimprove.
Choose Lumar if…
- You want the brand AI engines rank higher (0.8 vs 0.6)
- You need SOC 2 Type 2 coverage
Choose Siteimprove if…
- AI answers describe it more positively (50% vs 0% positive)
- You need ISO/IEC 27001:2022 coverage
- You prefer a larger, established vendor (201–500 employees)
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Lumar | Siteimprove |
|---|---|---|
| Visibility score | 0.8% | 0.6% |
| Change vs last week | New | New |
| Rank in SEO Tools | #36 | #39 |
| Share of voice | 0.4% | 0.4% |
| Mentions this run | 2 | 2 |
| Positive in AI answers | 0% | 50% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Lumar 0pp · Siteimprove 0pp over 0 weekly runs.
Engine by engine
Lumar leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LumarSiteimprove
Head to head in AI answers
0 engine answers name both brands
0Lumar ranked higher
0Siteimprove ranked higher
Features, pricing & fit
| Dimension | Lumar | Siteimprove |
|---|---|---|
| Deployment | Cloud-based | — |
| Integrations | — | 40+ |
| Compliance | SOC 2 Type 2 | ISO/IEC 27001:2022 |
| Support | Dedicated SEO and GEO professional services team with strategy help and regular crawl reviews, Customer success team | Platform onboarding, Accessibility testing by certified experts, Consulting in digital accessibility and digital marketing |
| Founded | 2010 | 2003 |
| Headquarters | New York, NY, United States | Bloomington, Minnesota, USA |
| Employees | 51–200 | 201–500 |
| Funding | Series B | Minority investment led by Summit Partners · $55M raised |
| Best for | Enterprise SEO, web accessibility and digital marketing teams running large, complex websites | Organizations that must balance regulatory compliance with search and content performance. |
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Lumar vs Siteimprove”, https://slateindex.ai/compare/lumar-vs-siteimprove, data of Nov 2, 2026. Licence: CC BY 4.0.