w3cvalidate
v1.0.0
Published
w3c validator
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validator
Command-line access to https://validator.w3.org/nu/
$ validate index.html
index.html: The Content-Type was text/html. Using the HTML parser.
index.html: Using the schema for HTML with SVG 1.1, MathML 3.0, RDFa 1.1, and ITS 2.0 support.
index.html:124:7: info: Consider using the h1 element as a top-level heading only (all h1 elements are treated as top-level headings by many screen readers and other tools).
index.html:133:3: info: Section lacks heading. Consider using h2-h6 elements to add identifying headings to all sections.Programmatic access
via JavaScript:
var validate = require('w3cvalidate')
validate('<!doctype html>...')
.then(function (res) {
res.errors === 0
res.warnings === 0
res.results === [
{
type: 'info',
line: 2,
column: 3,
message: 'Section lacks heading. Consider using h2-h6...'
}
]
})