htmltest
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Description:
HTML validator written in Go
Type: Formula  |  Latest Version: 0.17.0@0  |  Tracked Since: Oct 10, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: html validation testing accessibility documentation
Install: brew install htmltest
About:
htmltest is a command-line tool written in Go that validates HTML files against W3C standards and custom rules. It checks for broken links, missing images, and accessibility issues within static sites. This tool is ideal for ensuring quality and consistency in documentation or website builds.
Key Features:
  • W3C HTML5 validation
  • Link and image checking (internal and external)
  • Accessibility (a11y) checks
  • Highly configurable via YAML
  • Fast execution due to Go implementation
Use Cases:
  • Validating static site builds before deployment
  • CI/CD pipeline integration for link checking
  • Auditing existing websites for broken links and accessibility issues
Alternatives:
  • W3C Validator – The official W3C validator is web-based or API-only, whereas htmltest runs locally and checks links.
  • linkchecker – linkchecker is Python-based and focuses primarily on links, while htmltest offers deeper HTML structure validation.
Version History
Detected Version Rev Change Commit
Oct 10, 2025 2:05pm 0 VERSION_BUMP 45452d09
Sep 12, 2025 10:37am 0 VERSION_BUMP 683196fc
Dec 3, 2024 7:52pm 0 VERSION_BUMP b2d29b8c
Sep 13, 2024 9:55pm 0 VERSION_BUMP 581cde0d