Fast SEO Tools
Mobile-First

Mobile Friendly Test

Responsive Audit

Test if your website is optimized for mobile devices with Google Mobile-First indexing audit, viewport configuration, touch target checks, font legibility analysis, and live interactive device previews.

Page is Mobile-Friendly

Google Verified

This web page conforms to Google's mobile-first indexing standards and touchscreen usability guidelines.

Mobile Score
100 / 100

Google Mobile Usability Signals

Mobile Viewport Configured Properly
<meta name="viewport" content="width=device-width, initial-scale=1"> is present and scales automatically to any screen width.
Touch Targets & Button Spacing
Buttons, navigation links, and input elements maintain adequate padding and spacing (> 48px) to prevent accidental finger taps.
Legible Font Sizes (No Pinch-Zoom Required)
Body text and paragraphs are set to 12px or larger so mobile readers can easily read without zooming in.
Content Fits Viewport Horizontally
No wide containers or tables force horizontal scrolling. Fluid responsive layouts adapt cleanly.
Interactive Device Mockup
https://fastseotool.com ● Mobile OK

Understanding Google Mobile-First Indexing

Since Google transitioned entirely to mobile-first indexing, Googlebot crawls and indexes the web predominantly using a smartphone user agent. A website that renders poorly on mobile devices suffers reduced organic rankings, higher bounce rates, and lower conversion velocity.

1. Viewport Meta Configuration

Instructs browsers to adapt layout dimensions and scaling to the exact screen resolution of the client's hardware.

2. Touchscreen Tap Targets

Interactive buttons and anchors must maintain a physical footprint of at least 48x48px with 8px margin separation.

3. Legible Typography

Base font sizes below 12px or non-responsive tables force pinch-and-zoom gestures, triggering mobile ranking penalties.

Frequently Asked Questions

What does Google mean by "Mobile-First Indexing"?

It means Google predominantly uses the mobile version of the content for indexing and ranking. Historically, Google evaluated desktop versions first; now, if content or structured markup is omitted on mobile, Google may not index it at all.

Why does the live preview frame show blank for some external domains?

Security policies such as X-Frame-Options: SAMEORIGIN or Content-Security-Policy: frame-ancestors 'none' prevent third-party iframes from rendering certain websites. Our tool automatically falls back to rendering Google's rendered mobile screenshot when iframe access is restricted.

How can I fix "Tap targets are too small"?

Increase the CSS padding and min-height: 48px; min-width: 48px; on interactive elements like links, buttons, and form inputs, ensuring at least 8px margin separation between adjacent clickable items.