Ahrefs vs Siteimprove

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Ahrefs is the stronger AI pick in SEO Tools: it has a visibility score of 56 versus 0.6 for Siteimprove, and ranks ahead in 100% of the answers that name both.

Choose Ahrefs if…

You want the brand AI engines rank higher (56 vs 0.6)
You need ISO 27001 coverage
Strong backlink analysis and index
Strong competitor research

Choose Siteimprove if…

AI answers describe it more positively (50% vs 49% 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	Ahrefs	Siteimprove
Visibility score	56%	0.6%
Change vs last week	New	New
Rank in SEO Tools	#2	#39
Share of voice	12%	0.4%
Mentions this run	61	2
Positive in AI answers	49%	50%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

Ahrefs leads on 3 of 3 engines

ChatGPT

67.2%

0.9%

AI Mode

62%

Perplexity

38.9%

0.9%

AhrefsSiteimprove

Head to head in AI answers

2 engine answers name both brands

2Ahrefs ranked higher

0Siteimprove ranked higher

Prompt	Engine	Ahrefs	Siteimprove
Which SEO Tools vendors do analysts recommend?	ChatGPT	#6	#8
Which SEO Tools vendors do analysts recommend?	Perplexity	#2	#11

Features, pricing & fit

Dimension	Ahrefs	Siteimprove
Pricing model	Flat tiers	—
Entry price	Free; paid from $29 / mo	—
Free plan	Yes	—
Deployment	SaaS	—
Integrations	—	40+
Compliance	ISO 27001	ISO/IEC 27001:2022
Support	Customer support five days a week, Academy courses and certification, Webinars and AMAs, YouTube tutorials	Platform onboarding, Accessibility testing by certified experts, Consulting in digital accessibility and digital marketing
Founded	2010	2003
Headquarters	Singapore	Bloomington, Minnesota, USA
Employees	51–200	201–500
Funding	Bootstrapped	Minority investment led by Summit Partners · $55M raised
Best for	Freelance SEOs, marketing consultants, and lean in-house marketing teams, from small businesses to Fortune 500 teams.	Organizations that must balance regulatory compliance with search and content performance.