Validators
HTML Validator
Validate HTML syntax and structure to identify broken tags, improper nesting, and accessibility issues. Get detailed error reports with line-by-line diagnostics to ensure your web pages render correctly across all browsers.
Validate HTML syntax and structure to identify broken tags, improper nesting, and accessibility issues. Get detailed error reports with line-by-line diagnostics to ensure your web pages render correctly across all browsers.
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Tip
Use semantic elements like <main> and <article> to improve SEO and screen reader navigation.
Did You Know?
Properly validated HTML is a key factor in improving page rendering speed and browser compatibility.
div or span which breaks page layoutBest Practice
Always include a <!DOCTYPE html> declaration at the start of your documents to trigger standards mode.
Q: Does this validator support HTML5? A: Yes, it supports modern HTML5 standards as well as older specifications like XHTML and HTML 4.01.
Q: Why does my page look fine even if the validator shows errors? A: Browsers are designed to be 'error-tolerant' and try to fix broken HTML, but this can lead to inconsistent behavior across different devices.
Q: Can I validate a full document or just a snippet? A: You can validate both. The tool handles full HTML documents or individual fragments of code seamlessly.