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Tech riderRev. 22 Sept 2026

CWAC

Ch 1026.0of 133 Website Accessibility Tools
  1. 1Runs onLinux, self-hosted
  2. 2CostsNot stated by the maker
  3. 3WCAG versionwcag 2.2
  4. 4Scan scopesite
3 lines stated Written from the maker's own pages: github.com
Visit site Alternatives
The CWAC homepage

Overview

CWAC is ranked #102 of 133 in website accessibility tools on Specifiction. It runs on Linux, Self-hosted.

Compared on website accessibility tools

WCAG version
wcag 2.2github.com
Scan scope
sitegithub.com

Facts

Purpose
CWAC automatically scans hundreds of websites for accessibility issues and saves findings to CSV files.github.com · 5 Oct 2026
Government use
The tool can monitor New Zealand Government websites against minimum accessibility standards and guidelines, including WCAG 2.2 Level AA.github.com · 5 Oct 2026
Crawling
CWAC can crawl pages to discover additional URLs up to a configured maximum, while respecting robots.txt and server signals.github.com · 5 Oct 2026
Audit types
Available audits include axe-core checks, element and title checks, focus indicators, language readability, reflow, and screenshots.github.com · 5 Oct 2026
Extensibility
CWAC supports audit plugins, and users can add plugins by implementing them and enabling them in the configuration.github.com · 5 Oct 2026
Results
Scan outputs include CSV audit findings, logs, configuration, and screenshots when generated.github.com · 5 Oct 2026
Run method
The project recommends running CWAC with Docker using the bin/run script.github.com · 5 Oct 2026
Platform limitation
The documentation warns that running without Docker or on operating systems other than Linux can cause some audits to fail; the Reflow audit cannot run on macOS with the stated Chrome version.github.com · 5 Oct 2026
Technology
CWAC uses Python 3, Selenium, axe-core, and Chrome for Testing.github.com · 5 Oct 2026
License
The repository identifies CWAC as licensed under GPL-3.0.github.com · 5 Oct 2026
Security reporting
The maintainers request private reporting of security issues by email and describe a coordinated disclosure approach.github.com · 5 Oct 2026
Maker
CWAC is designed and developed by the Web Standards team at Te Pūnaha Matihiko, the Government Digital Delivery Agency of New Zealand.github.com · 5 Oct 2026

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Where it ranks on Specifiction

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Sources