Index.html Validator
Audit your index.html document for missing meta tags, doctype, mobile viewport, and SEO standards.
Excellent! Ready for deployment.
Inspection Breakdown (9 Rules)Real-time audit
Valid HTML5 doctype declaration found at top of document.
💡 Good job!
Valid lang attribute detected on <html> tag.
💡 Enables screen readers and translation tools to detect spoken language.
UTF-8 character set declared.
💡 Prevents text garbling and broken emoji rendering.
Title defined: "Sample Web Page"
💡 Title length is optimal.
Viewport meta tag present for mobile display scaling.
💡 Ensures proper scaling on iOS and Android devices.
Meta description present for search engine snippet generation.
💡 Good SEO practice.
Favicon link tag detected.
💡 Displays logo in browser tab.
Exactly one primary <h1> tag found on page.
💡 Maintains ideal heading hierarchy.
Missing Open Graph meta tags (og:title, og:image, og:description).
💡 Add Open Graph tags to control social card previews.