Side by side
Open Scans vs TAW
Both stand on website accessibility tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Self-hostedWeb
Open Scans connects URL submissions to GitHub Actions scans and public reports, with several engines and scheduling options. It is not suitable for private pages or authenticated areas, and users should note the differing URL limits.
Visit Open Scans Free plan LinuxMacWeb+1
TAW offers web, monitoring, CMS, and standalone tools for accessibility evaluation across multiple platforms. Automated results still require human review, and the free web service has request limits.
Visit TAWThe facts
| Open Scans | TAW | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Self-hosted, Web | Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | TAW |
| Website | mgifford.github.io | tawdis.net |
| On website accessibility tools | #32 of 133 | #28 of 133 |
Open Scans: what it does well
- Checks sites with five listed WCAG 2.2 engines.
- Reports include Markdown, CSV, and JSON links.
- Supports recurring scans and CI/CD integration.
- No sign-up is required.
What to know first
- Only public URLs can be scanned.
- Results are published publicly.
- Pages behind login walls cannot be scanned.
- URL limits differ between the form and field.
TAW: what it does well
- Supports WCAG 2.1 and UNE-EN 301549
- Flags possible manual accessibility issues
- Monitor sends recurring reports and alerts
- CMS modules check content before publication
- Free web analysis service
What to know first
- Automated checks cannot validate every WCAG check
- Free service requires 20-second intervals
- Maximum ten requests per hour per IP
- Recent Mac OS X compatibility issues noted
Alternatives to Open Scans Alternatives to TAW The whole list