Grunt plugin for html validation, using vnu.jar for the actual validation

npm install grunt-html
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Grunt plugin for html validation, using the vnu.jar markup checker.

Getting Started

Install this grunt plugin next to your project's Gruntfile.js gruntfile with: npm install grunt-html --save-dev

Then add this line to your project's Gruntfile.js:


Then specify what files to validate in your config:

    htmllint: {
        all: ["demos/**/*.html", "tests/**/*.html"]

For fast validation, keep that in a single group, as the validator initialization takes a few seconds.


There's a single option, ignore (Array). Use this to specify the error messages to ignore. For example:

ignore: {
    options: {
        ignore: ['The “clear” attribute on the “br” element is obsolete. Use CSS instead.']
    src: "html4.html"


Copyright (c) 2014 Jörn Zaefferer Licensed under the MIT license.

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