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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 score0.8%0.6%
Change vs last weekNewNew
Rank in SEO Tools#36#39
Share of voice0.4%0.4%
Mentions this run22
Positive in AI answers0%50%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2Lumar 1%

Lumar 0pp · Siteimprove 0pp over 0 weekly runs.

Engine by engine

Lumar leads on 2 of 3 engines

ChatGPT
1.1%
0.9%
AI Mode
0%
0%
Perplexity
1.3%
0.9%
LumarSiteimprove

Head to head in AI answers

0 engine answers name both brands

0Lumar ranked higher
0Siteimprove ranked higher

Features, pricing & fit

DimensionLumarSiteimprove
DeploymentCloud-based—
Integrations—40+
ComplianceSOC 2 Type 2ISO/IEC 27001:2022
SupportDedicated SEO and GEO professional services team with strategy help and regular crawl reviews, Customer success teamPlatform onboarding, Accessibility testing by certified experts, Consulting in digital accessibility and digital marketing
Founded20102003
HeadquartersNew York, NY, United StatesBloomington, Minnesota, USA
Employees51–200201–500
FundingSeries BMinority investment led by Summit Partners · $55M raised
Best forEnterprise SEO, web accessibility and digital marketing teams running large, complex websitesOrganizations 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.