AccessibilityChecker.org is a popular free web accessibility scanning tool that checks pages against WCAG 2.1 guidelines and provides detailed issue reports. NormSuite Accessibility Checker offers similar scanning capabilities with a key difference: a 0-100 compliance score, severity-based issue prioritization, and scan history tracking. AccessibilityChecker.org is a great one-time diagnostic tool; NormSuite is built for ongoing compliance monitoring.
| Feature | Accessibility Checker | AccessibilityChecker.org |
|---|---|---|
| WCAG 2.1 AA scanning | Yes | Yes |
| Compliance score | 0-100 numeric score | Percentage-based |
| Issue severity levels | 4 levels (critical to minor) | By guideline category |
| Fix suggestions | Actionable fixes per issue | Issue descriptions |
| Scan history | Yes — dashboard tracking | No — one-time results |
| Multiple page monitoring | Pro plan | No |
| Chrome extension | No | Yes |
| Free usage | 3 scans/day | Unlimited basic scans |
| User accounts & dashboard | Yes | Optional |
| Price | Free, $14-29/month | Free, paid plans available |
Yes, AccessibilityChecker.org offers free web accessibility scanning with no account required. NormSuite Accessibility Checker also offers free scanning (3 scans/day) with the added benefit of a compliance score and scan history when you create a free account.
NormSuite Accessibility Checker provides a clear 0-100 WCAG compliance score based on the ratio of passed to failed checks, weighted by severity. This makes it easy to track progress and compare pages. AccessibilityChecker.org provides percentage-based results organized by guideline.
NormSuite Accessibility Checker is better for ongoing monitoring because it saves scan history, lets you track scores over time, and provides a dashboard view across multiple pages. AccessibilityChecker.org is better suited for one-off checks when you need a quick diagnostic.
Scan any URL for WCAG 2.1 AA compliance instantly. Free to start, no credit card required.