IBM Equal Access Accessibility Checker vs Siteimprove Accessibility

IBM Equal Access Accessibility Checker9.0Visit Siteimprove Accessibility8.4Visit

Higher score IBM Equal Access Accessibility Checker #3 in Website Accessibility Tools 9.0/10 Free plan Free plan✓ 3 of 4 features Visit IBM

vs

Siteimprove Accessibility #8 in Website Accessibility Tools 8.4/10 Pricing on request ✓ 4 of 4 features Visit Siteimprove

• IBM Equal Access Accessibility Checker fits best

  Open-source teams needing browser and batch checks

• Siteimprove Accessibility fits best

  Mature teams managing sites and PDFs

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Side by side

Feature	IBM Equal Access Accessibility Checker 9.0/10 Visit ↗	Siteimprove Accessibility 8.4/10 Visit ↗
At a glance
Editor score	9.0	8.4
Ranking	#3 in Website Accessibility Tools	#8 in Website Accessibility Tools
Best for	Open-source teams needing browser and batch checks	Mature teams managing sites and PDFs
Pricing model	Free	Paid
Starting price	Free plan	Pricing on request
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Browser extension	Cloud, Browser extension
Platforms	Web, Chrome extension	Web, Chrome extension
Support	Community, Docs	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features IBM Equal Access Accessibility Checker 3/4 · Siteimprove Accessibility 4/4
Scheduled scans	Not checked yet	✓ (best)
Browser extension	✓	✓
CI/CD integration	✓	✓
API access	✓	✓
Specs
WCAG version	Wcag 2.2	Wcag 2.2
Scan scope	Page	Site
Scan limit	Not checked yet	Not checked yet
Our review
Pros	Free, open-source toolkit with Chrome, Firefox, and Edge DevTools extensions Supports Node.js, Cypress, CI/CD, and browser automation workflows Scans URLs, HTML, local files, sessions, and multiple pages	Scans websites and PDFs, with WCAG issue prioritization by severity Extends testing to dynamic, protected, and non-public pages Connects accessibility checks to CMS, development, and CI/CD workflows
Cons	No scheduled scanning workflow Page-level scan scope limits broader product monitoring Technical integrations may suit developers better than nontechnical teams	Pricing is customized and requires contacting Siteimprove Its broad scope may exceed the needs of teams wanting basic scans only Several workflow options require integrations, extensions, or development tools
Our verdict	IBM Equal Access Accessibility Checker is an open-source toolkit for web developers and accessibility auditors. It combines browser DevTools extensions with Node.js, Cypress, and Java packages for automated testing. The toolkit supports… Read the review →	Siteimprove Accessibility is a SaaS platform for organizations managing websites, documents, applications, and other digital content. It scans websites and PDFs for accessibility issues, organizes findings by WCAG standard and severity,… Read the review →

Strengths and trade-offs

• IBM Equal Access Accessibility Checker — where it wins

  • Free, open-source toolkit with Chrome, Firefox, and Edge DevTools extensions
  • Supports Node.js, Cypress, CI/CD, and browser automation workflows
  • Scans URLs, HTML, local files, sessions, and multiple pages

  Where it doesn't

  • No scheduled scanning workflow
  • Page-level scan scope limits broader product monitoring
  • Technical integrations may suit developers better than nontechnical teams

• Siteimprove Accessibility — where it wins

  • Scans websites and PDFs, with WCAG issue prioritization by severity
  • Extends testing to dynamic, protected, and non-public pages
  • Connects accessibility checks to CMS, development, and CI/CD workflows

  Where it doesn't

  • Pricing is customized and requires contacting Siteimprove
  • Its broad scope may exceed the needs of teams wanting basic scans only
  • Several workflow options require integrations, extensions, or development tools

• IBM Equal Access Accessibility Checker9.0/10 · Free plan

  A technically focused toolkit for browser, batch, and CI/CD accessibility checks.

  Visit IBMFull verdict →
• Siteimprove Accessibility8.4/10 · Pricing on request

  A mature platform for scanning, prioritizing, and improving website and PDF accessibility.

  Visit SiteimproveFull verdict →