# IBM Equal Access Accessibility Checker vs Siteimprove

| Attribute | IBM Equal Access Accessibility Checker | Siteimprove |
|---|---|---|
| **Vioscale score** | 51.1 (28% (low)) | 13.3 (15% (low)) |
| activity.commits_last_30d | 52 | - |
| adoption.dependent_repos | 104 | - |
| adoption.github_stars | 772 | - |
| deployment.options | - | `{"cloud":true}` |
| description.long | Equal Access Checker provides automated testing across multiple environments to help developers verify accessibility standards are met. It offers browser extensions for Chrome, Firefox, and Edge, plus integration packages for Node, Cypress, and Java CI/CD workflows. | Siteimprove is a SaaS platform that helps teams ensure digital content meets accessibility standards, performs well in search engines, and maintains consistent quality. AI agents provide real-time guidance and automation throughout content creation and website management workflows. |
| integrations.count | 9 | 25 |
| integrations.list | `[{"name":"Chrome"},{"name":"Firefox"},{"name":"Edge"},{"name":"Node"},{"name":"Cypress"},{"name":"Java"},{"name":"GitHub"},{"name":"Sketch"},{"name":"Figma"}]` | `[{"name":"Adobe Experience Manager"},{"name":"Optimizely"},{"name":"WordPress"},{"name":"Drupal"},{"name":"TYPO3"},{"name":"Sitecore"},{"name":"Google Analytics"},{"name":"Kentico Xperience"},{"name":"Umbraco"},{"name":"Magnolia CMS"},{"name":"Jahia"},{"name":"CoreMedia"},{"name":"Tridion"},{"name":"Cascade"},{"name":"FirstSpirit"},{"name":"Enonic"},{"name":"Plone"},{"name":"SiteVision"},{"name":"Sitefinity"},{"name":"govAccess"},{"name":"Sitebox"},{"name":"Percussion"},{"name":"IPROX-CMS"},{"name":"i:Create"},{"name":"LRS Antilles"}]` |
| language.primary | JavaScript | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"free","freeTier":true,"sourceUrl":"https://www.ibm.com/able/toolkit/tools/","retrievedAt":"2026-08-17T21:35:08.738Z"}` | `{"type":"quote","summary":"Custom enterprise pricing — contact sales for detailed quote","freeTier":false,"sourceUrl":"https://www.siteimprove.com/de/pricing/","retrievedAt":"2026-08-18T12:20:17.119Z"}` |
| pricing.free_tier | yes | no |
| pricing.model | commercial | quote |
| pricing.price_level | free | unknown |
| pricing.transparent | - | no |
| release.cadence_days | 3 | - |
| release.history | `[{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.31","date":"2026-08-21T16:09:23Z","type":"stable","version":"4.0.31"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.30","date":"2026-08-04T22:04:24Z","type":"stable","version":"4.0.30"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.29","date":"2026-07-14T19:00:46Z","type":"stable","version":"4.0.29"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.28","date":"2026-07-14T17:44:39Z","type":"stable","version":"4.0.28"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.27","date":"2026-07-14T14:32:38Z","type":"stable","version":"4.0.27"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.26","date":"2026-06-01T20:23:12Z","type":"stable","version":"4.0.26"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.25","date":"2026-06-01T19:30:44Z","type":"stable","version":"4.0.25"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.24","date":"2026-05-28T00:12:23Z","type":"stable","version":"4.0.24"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.23","date":"2026-05-28T00:01:29Z","type":"stable","version":"4.0.23"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.22","date":"2026-05-27T23:57:40Z","type":"stable","version":"4.0.22"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.21","date":"2026-05-27T23:50:08Z","type":"stable","version":"4.0.21"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.19","date":"2026-05-27T23:03:04Z","type":"stable","version":"4.0.19"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.18","date":"2026-05-19T20:58:39Z","type":"stable","version":"4.0.18"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.17","date":"2026-04-28T22:26:35Z","type":"stable","version":"4.0.17"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.16","date":"2026-03-27T04:15:24Z","type":"stable","version":"4.0.16"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.15","date":"2026-03-23T16:41:12Z","type":"stable","version":"4.0.15"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.14","date":"2026-03-20T20:00:06Z","type":"stable","version":"4.0.14"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.13","date":"2026-03-04T19:22:37Z","type":"stable","version":"4.0.13"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.12","date":"2026-02-07T20:18:52Z","type":"stable","version":"4.0.12"},{"url":"https://github.com/IBMa/equal-access/releases/tag/4.0.11","date":"2026-02-06T20:45:12Z","type":"stable","version":"4.0.11"}]` | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=accessibility-checker&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Accessibility Testing)

| Capability | IBM Equal Access Accessibility Checker | Siteimprove |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Scan method | - | - |
| Wcag level | - | - |
| Ci cd integration | - | - |
| Browser extension | - | - |
| Design stage plugin | - | - |
| CMS plugins | - | - |
| Continuous monitoring | - | - |
| Vpat acr generation | - | - |
| Manual audit service | - | - |
| Overlay widget | - | - |
| Document PDF testing | - | - |
| Open source | - | - |

*Source: Vioscale. Generated 2026-09-01T17:17:56.100Z. "-" = undocumented, not absent.*