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On the recordRead 12 Oct 202623 facts
HTML_CodeSniffer
On the record
- Accessibility standards
- It includes checks for WCAG 2.1 Levels A, AA, and AAA, and Section 508.squizlabs.github.io · read 12 Oct 2026
- API access
- Yessquizlabs.github.io · read 21 Sep 2026
- Auditor feedback
- The auditor displays messages emitted by a standard and, where possible, points to the HTML element causing an issue.github.com · read 12 Oct 2026
- Bookmarklet
- Its auditor bookmarklet can run accessibility checks on web pages and is stated to work with Chrome, Firefox, Safari and Internet Explorer.squizlabs.github.io · read 12 Oct 2026
- Bookmarklet auditor
- A bookmarklet provides an auditor interface for checking pages and browsing detected issues; where possible, it points to the HTML element causing the problem.github.com · read 12 Oct 2026
- Browser extension
- Nosquizlabs.github.io · read 21 Sep 2026
- Browser support
- The site says its auditor bookmarklet is designed to work with Google Chrome, Firefox, Safari, and Internet Explorer.squizlabs.github.io · read 12 Oct 2026
- Client-side operation
- The script is written entirely in JavaScript and does not require server-side processing.squizlabs.github.io · read 12 Oct 2026
- Custom rules
- Developers can create custom sniffs and write their own standards.github.com · read 12 Oct 2026
- Custom standards
- Developers can extend it with custom coding standards by creating their own sniffs.squizlabs.github.io · read 12 Oct 2026
- Included standards
- The site lists WCAG 2.1 Levels A, AA and AAA, and Section 508 among its included standards.squizlabs.github.io · read 12 Oct 2026
- Languages
- The README says the auditor has English by default, plus French and Polish translations, and can be extended with custom translations.github.com · read 12 Oct 2026
- License
- The GitHub repository identifies the project license as BSD 3-Clause.github.com · read 12 Oct 2026
- Node.js
- The README documents installing HTML_CodeSniffer as a Node.js module with npm.github.com · read 12 Oct 2026
- Purpose
- HTML_CodeSniffer checks HTML source code for violations of a defined coding standard.squizlabs.github.io · read 12 Oct 2026
- Scan scope
- pagesquizlabs.github.io · read 21 Sep 2026
- Self-hosting
- The README describes building the auditor and moving its build directory to a web-accessible location.github.com · read 12 Oct 2026
- Server-side use
- The README says it can run server-side on HTML fragments using Node.js and a DOM environment such as JSDom.github.com · read 12 Oct 2026
