Siteimprove Accessibility Checker

Jumpstart your web accessibility efforts directly in Chrome.

The Siteimprove Accessibility Checker is a powerful Chrome extension designed to help web developers and content creators ensure their websites are accessible to everyone. By integrating directly into the Chrome browser, it offers instant analysis of any web page based on the latest Accessibility Conformance Testing (ACT) rules, providing clear issue breakdowns and hands-on guidance.

With detailed explanations of detected accessibility issues and direct links to relevant WCAG techniques, users can efficiently identify and resolve problems. Additionally, it supports secure evaluations of password-protected or non-public pages, multi-step forms, and dynamic content, making it a comprehensive solution for jumpstarting your web accessibility efforts.

Manifest V3
Users:
50,000+
Rating:
3.26
(23)
Version:
2.0 (Last updated: 2025-03-25)
Version code:
2024.8.16.356
Creation date:
2021-04-23
Permissions:
  • activeTab
  • storage
  • unlimitedStorage
  • scripting
Host permissions:
  • *://hello.siteimprove.com/*
Size:
1.50M
Full description:
See detailed description
Updated:
21 hours ago

Other platforms

Siteimprove Accessibility Checker (v2024.6.25.539)
1,350+ 3.86 (7)
Siteimprove Accessibility Checker (v2.0)
7,390+ 0.00 (0)

User reviews

Users find the extension easy to use and useful for preliminary accessibility checks with organized, clear reports. However, many note that the latest version is a downgrade: it is slower, less thorough in finding issues, lacks the previous sidebar panel, shows loading problems, and misses some key error detections. These drawbacks degrade user experience compared to version 1, with multiple users requesting a return to the older version or improvements to the new interface and functionality.
Pros
  • Easy to use and intuitive interface
  • Helpful for initial accessibility assessment and identifying various issues
  • Organized and clear reports
  • Assists in optimizing sites with WCAG norms
Cons
  • Version 2 is slower and less thorough than version 1
  • Missing detection of certain errors such as Focus Visible and Link Purpose
  • No sidebar panel in the new version, only a popup window which is less convenient
  • Errors sometimes fail to load, showing an indefinite spinner
  • Lacks mobile device accessibility checking information
Recent reviews
This is such a downgrade from the last version that is now deprecated and still listed (but no longer downloadable) in the store. Because this doesn't check as thoroughly, I have to log into SI and do a single page check for all pages, not just new pages.

It's really time saving and organized!
by ETech Buy (ETechBuy), 2025-03-03

Super easy, intuitive and organized!
by Katarina Đurđević, 2024-07-02
View all user reviews

Extension safety

Risk impact
Low risk impact

Siteimprove Accessibility Checker requires very minimum permissions.

Risk impact analysis details
  • Medium Access to developer tools, typically low risk unless it's used to inspect or manipulate data improperly.
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Risk likelihood
Low risk likelihood

Siteimprove Accessibility Checker has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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Upgrade to see full risk analysis details

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