Mobile Optimization Tool

Mobile SEO Checker

Test your website's mobile friendliness. Check viewport settings, font sizes, tap targets, and more to ensure Google mobile-first indexing compatibility.

Paste Your Page HTML or Content

Test Device:

Mobile Score

0/100

overall

Viewport Tag

❌

detection

Font Size

❌

16px min

Tap Targets

❌

44x44px

Responsive

❌

design check

Usability

0%

passed

📱

Mobile Friendly Status

Waiting for input...

✅ What's Good

  • Waiting for analysis...

⚠️ Issues Found

  • Waiting for analysis...

📱 Screen Widths

Mobile

375px

Tablet

768px

Desktop

1024px+

About This Tool

Free Mobile SEO Checker - Google Mobile-First Indexing Compatible

Our free Mobile SEO Checker analyzes your website's mobile friendliness based on Google's mobile-first indexing standards. Check viewport settings, font sizes, tap targets, and responsive design to ensure your site ranks well on mobile devices.

🎯 Key Checks:

  • Viewport Meta Tag - Checks for proper viewport configuration (width=device-width, initial-scale=1)
  • Font Size - Ensures minimum 16px font size for readability on mobile
  • Tap Target Size - Verifies clickable elements are at least 44x44 pixels
  • Responsive Design - Tests CSS media queries for responsive layout
  • Content Width - Ensures content doesn't exceed device screen width
  • Mobile Usability Score - Overall score based on multiple factors
  • Device Simulation - Test for Mobile (375px), Tablet (768px), Desktop (1024px+)

📊 Understanding Mobile SEO Scores:

Mobile Score (0-100):

  • 🟢 80-100: Excellent - Fully mobile optimized for Google mobile-first indexing
  • 🟡 60-79: Good - Mostly mobile friendly, minor improvements needed
  • 🟠 40-59: Fair - Several mobile usability issues to fix
  • 🔴 Below 40: Poor - Major mobile optimization problems affecting rankings

💡 Mobile Optimization Best Practices:

  • Viewport Meta Tag: Add <meta name="viewport" content="width=device-width, initial-scale=1"> in HTML head
  • Font Sizes: Use at least 16px for body text to ensure readability without zooming
  • Tap Targets: Make buttons and links at least 44x44 pixels for easy tapping
  • Responsive Design: Use CSS media queries to adapt layout for different screen sizes
  • Content Width: Ensure all content fits within device width (no horizontal scrolling)
  • Line Height: Use at least 1.2 line-height for better text readability on mobile
  • Mobile First: Design for mobile first, then enhance for larger screens
  • Core Web Vitals: Optimize LCP, FID, and CLS for better Core Web Vitals scores
  • Testing: Test on real devices and use Chrome DevTools mobile emulation
  • Avoid Plugins: Don't use Flash or other unsupported browser plugins

⚠️ Common Mobile Issues:

  • ❌ Missing viewport meta tag
  • ❌ Text too small (below 16px)
  • ❌ Clickable elements too small (below 44x44px)
  • ❌ Content wider than viewport
  • ❌ No responsive design/media queries
  • ❌ Fixed-width elements
  • ❌ Unsupported browser plugins (Flash)
  • ❌ Poor touch target spacing
  • ❌ Disabled zoom with user-scalable=no
  • ❌ Slow mobile page load times

🔍 Why Mobile SEO Matters in 2026:

  • Over 60% of all searches happen on mobile devices
  • Google uses mobile-first indexing for all new websites
  • Mobile-friendly sites rank higher in Google search results
  • Poor mobile experience increases bounce rates and reduces conversions
  • Core Web Vitals are ranking factors - mobile speed is critical
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