Validator.nu down?
A tool for checking the validity of HTML5 documents.
Recent User Report Trends for Validator.Nu
Aggregated reports in the last 48 hours.
User Reports for Validator.Nu
Recent issues reported by users from around the world (last 30 days).
Performance Insights
Performance
100/ 100
Accessibility
100/ 100
Best Practices
79/ 100
SEO
91/ 100
Page Load Time
0.77s
Page Size
0.01MB
Requests
3
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About Validator.Nu & Technical Insights
A tool for checking the validity of HTML5 documents.
Website Details & Offering
Headquarters Country
Global
Language
English
Primary Category
Technology and Software
Revenue Source
None (Informational)
Target Audience Insights
Target Category Focus
Technology and Software
Target Country
Global
Related Keywords
These keywords represent common themes, topics, and technologies associated with html5.validator.nu.
html validationnu html checkerxhtml5 validatorhtml checking toolliving validatorweb developmenthtml documentreport issuesvalidator inputshow sourcehtml standardsweb accessibilityhtml errorshtml validation toolhtml checkerhtml issues
Additional Domain & Security Details
- Domain Name
- html5.validator.nu
- Registrar
- Gandi SAS
- Creation Date
- June 7, 2007
- Expiration Date
- June 7, 2028
- Days Remaining
- 1057 days
- Registry Status
- active
- ok
- Last Checked (Registry)
- July 16, 2025 at 12:20:46 PM UTC