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Head-to-head · Web Accessibility Software

WAVE vs Siteimprove Accessibility

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score WAVE #1 in Web Accessibility Software 9.3/10 Free plan Free plan✓ 0 of 4 features Visit WAVE
Siteimprove Accessibility #4 in Web Accessibility Software 8.8/10 Pricing on request ✓ 0 of 4 features Contact Siteimprove

WAVE leads on 1 check, Siteimprove Accessibility on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWAVE · 9.3/10
  • Free planonly WAVE

WAVE scores higher on our rubric for web accessibility software: 9.3 against 8.8 out of 10; our editors rank them #1 and #4.

WAVE offers free plan; Siteimprove Accessibility doesn't.

WAVE is the better fit for teams needing broad web accessibility testing. Siteimprove Accessibility is the better fit for large organizations managing recurring accessibility.

  • WAVE fits best

    Teams needing broad web accessibility testing

  • Siteimprove Accessibility fits best

    Large organizations managing recurring accessibility

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature WAVE 9.3/10 Visit ↗ Siteimprove Accessibility 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #1 in Web Accessibility Software #4 in Web Accessibility Software
Best for Teams needing broad web accessibility testing Large organizations managing recurring accessibility
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Self-hosted, Browser extension Cloud, Browser extension
Platforms Web, Chrome extension Web, Chrome extension
Support Email, Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features WAVE 0/4 · Siteimprove Accessibility 0/4
Automated scanning Not checked yet Not checked yet
Manual testing tools Not checked yet Not checked yet
Issue tracking Not checked yet Not checked yet
Browser extensions Not checked yet Not checked yet
Specs
Scan scope Not checked yet Site
Monitoring frequency Not checked yet Not checked yet
Our review
Pros
  • Visual issue indicators add context to page-level findings.
  • WCAG 2.2 checks are available across online and API workflows.
  • Tests secure pages and supports scheduled audits and CI/CD workflows.
  • Scans websites and PDFs, then prioritizes issues by WCAG criteria and severity
  • Chrome extension captures dynamic content such as forms and booking flows
  • Scheduled rescans, API access, and remediation guidance support ongoing work
Cons
  • Basic page analysis consumes one API credit per page.
  • Self-hosted API plans start at $4,000 per year.
  • Findings support human review rather than replacing it.
  • Pricing requires contacting sales
  • Potential issues still need assisted human review
  • Focused on organizational accessibility programs rather than a free paid-product tier
Our verdict

WAVE is WebAIM’s suite of web accessibility evaluation tools for people who need to assess individual pages and review accessibility findings in context. It combines an online evaluator and browser extensions with hosted and self-hosted…

Read the review →

Siteimprove Accessibility helps organizations manage accessibility across websites and other digital content. It combines automated scans of websites and PDF documents with issue prioritization by WCAG criteria and severity, so teams can…

Read the review →
  1. WAVEWeb Accessibility Software 9.3Free plan
  2. Siteimprove AccessibilityWeb Accessibility Software 8.8Pricing on request

Strengths and trade-offs

  • WAVE — where it wins

    • Visual issue indicators add context to page-level findings.
    • WCAG 2.2 checks are available across online and API workflows.
    • Tests secure pages and supports scheduled audits and CI/CD workflows.

    Where it doesn't

    • Basic page analysis consumes one API credit per page.
    • Self-hosted API plans start at $4,000 per year.
    • Findings support human review rather than replacing it.

  • Siteimprove Accessibility — where it wins

    • Scans websites and PDFs, then prioritizes issues by WCAG criteria and severity
    • Chrome extension captures dynamic content such as forms and booking flows
    • Scheduled rescans, API access, and remediation guidance support ongoing work

    Where it doesn't

    • Pricing requires contacting sales
    • Potential issues still need assisted human review
    • Focused on organizational accessibility programs rather than a free paid-product tier
  • WAVE9.3/10 · Free plan

    A flexible accessibility testing suite, from free page checks to hosted and self-hosted APIs.

    Visit WAVEFull verdict →
  • Siteimprove Accessibility8.8/10 · Pricing on request

    A recurring website and PDF accessibility workflow for teams managing digital properties.

    Contact SiteimproveFull verdict →

More comparisons

All web accessibility software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update