Accessibility: ScanGov compared with other tools
Checks that find barriers for people with disabilities. How ScanGov, Siteimprove, Lighthouse, and other tools compare on accessibility checks.
Checks that find barriers for people with disabilities. This page shows only the accessibility rows for every tool we compare. The ScanGov accessibility page lists the standards behind ScanGov's column.
| Capability | ScanGov | Siteimprove | Lighthouse |
|---|---|---|---|
| Accessibility | |||
| Automated Web Content Accessibility Guidelines (WCAG) checks | Yes Automated WCAG checks on every page, ranked by impact in the tasklist. More | Yes WCAG checks across the digital estate, with AI-generated fixes for WordPress and Drupal.[2] | Yes An accessibility category scored from automated checks.[1] |
| PDF accessibility | Yes PDF checks are included in the scan. | Yes PDF scanning and a PDF remediation agent that writes alt text.[2] | No No. Lighthouse audits HTML pages only. |
| Video captions and embed titles | Yes Captions on page videos and titles on embedded players. More | Not confirmed Not described on the pages we checked. | No Not audited. |
Bracketed numbers link to the source and the date we checked it on each tool's page.
Other indicators
Botability
Whether AI tools and search engines can find and read your site.
Security
Security headers and practices on every page.
Usability
Core Web Vitals, titles, descriptions, and mobile settings.
Readability
Reading grade level against the plain language standard.
All indicators
The executive view and the full capability table for every tool we compare.