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Mobile Friendly Checker – Test Mobile Responsiveness Online | HP ToolsHub

Mobile Friendly Website Checker

Use Mobile Friendly Checker online for free. Fast, client-side processing directly in your browser with zero file uploads to external servers.

Supported Formats & Specifications

PDFJPGPNGWebPSVG

How to Use Mobile Friendly Website Checker

  1. 1
    Enter Website URL Paste the webpage address you want to inspect for mobile compatibility.
  2. 2
    Analyze Usability The tool checks viewport configuration, touch target spacing, font readability, and layout shifts.
  3. 3
    Get Actionable Report Review pass/fail checks with prioritized optimization recommendations.

Key Features & Capabilities

  • ✓ Viewport meta tag verification (width=device-width, initial-scale=1.0).
  • ✓ Touch target audit (verifying minimum 44x44px clickable areas).
  • ✓ Horizontal overflow and responsive content scaling detection.
  • ✓ Mobile typography legibility check (minimum 16px body text).

Privacy & Local Processing Guarantee

All processing occurs 100% on your device using client-side WebAssembly. No files are uploaded to our servers.

Frequently Asked Questions

Why is mobile friendliness critical for SEO?

Since Google moved to 100% mobile-first indexing, desktop rankings are directly determined by how well the mobile version of your page performs.

What is the recommended touch target size?

Google Web Vitals guidelines recommend touch targets of at least 44 by 44 CSS pixels with adequate spacing.