description Nu Html Checker Overview
help Nu Html Checker FAQ
Who maintains the Nu Html Checker?
The Nu Html Checker is maintained by the W3C (World Wide Web Consortium) and is the underlying engine for the popular W3C Validator. It is actively developed on GitHub by the web standards community.
Can I run the Nu Html Checker locally on my own machine?
Yes, because it is open-source, you can download the application and run the 'vnu.jar' Java executable locally. This allows developers to integrate HTML validation directly into their CI/CD pipelines for continuous code checking.
Does the Nu Html Checker check for accessibility issues?
In addition to syntax errors, the Nu Html Checker implements ARIA rules to detect common accessibility issues. It flags outdated HTML attributes and incorrect tag nesting that could break assistive technologies like screen readers.
What kind of HTML documents does the Nu Html Checker support?
The tool is highly versatile and can validate HTML5, XHTML, and SVG documents. It uses a modern parsing algorithm that reflects how web browsers actually process and interpret code.
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