Is My Website Mobile Friendly? Free Test

Mobile Traffic Dominates the Web

Over 60% of all web traffic now comes from mobile devices. If your website does not work well on phones and tablets, you are losing the majority of your potential audience. Google uses mobile-first indexing, meaning the mobile version of your site is what gets evaluated for search rankings.

A mobile-friendly website is no longer a nice-to-have - it is a baseline requirement for any business or project that wants to be found online.

What Makes a Website Mobile Friendly?

Proper Viewport Configuration

The viewport meta tag tells mobile browsers how to scale your page. Without it, mobile devices render the desktop version, forcing users to pinch and zoom. Website Grader checks that your page includes a properly configured viewport tag with width set to device-width.

Readable Text Without Zooming

If users need to zoom in to read your content, your fonts are too small. Google recommends a minimum base font size of 16 pixels for body text on mobile. Website Grader flags pages where the primary text falls below this threshold.

Adequate Touch Targets

Buttons and links on mobile need to be large enough to tap accurately with a finger. The recommended minimum size is 48 by 48 pixels, with adequate spacing between interactive elements. Small touch targets lead to frustration and accidental taps.

Responsive Design

A responsive layout adapts to any screen size using CSS media queries, flexible grids, and fluid images. Content should reflow naturally without horizontal scrolling. Website Grader checks the Google Mobile-Friendly score to verify that your layout adapts correctly.

Common Mobile Issues

Horizontal Scrolling

Fixed-width elements that overflow the viewport force users to scroll horizontally - one of the most frustrating mobile experiences. Common causes include images without max-width constraints, tables without overflow handling, and absolute positioning.

Unplayable Content

Flash is dead, but some sites still rely on technologies that do not work on mobile browsers. Ensure all media uses HTML5 video, modern JavaScript, and progressive enhancement so content works everywhere.

Slow Mobile Load Times

Mobile connections are often slower than desktop. Pages that load acceptably on fiber can feel sluggish on 4G. Optimizing images, reducing JavaScript, and using efficient caching are especially important for mobile users.

How Website Grader Tests Mobile Friendliness

The mobile category in Website Grader checks viewport configuration, touch target sizes, font sizes, responsive design signals, and the overall Google Mobile-Friendly score. You get a dedicated mobile score from 0 to 100 that tells you exactly where you stand.

Mobile accounts for 15% of your overall Website Grader score - a meaningful weight that reflects its importance for both user experience and search rankings.

Fixing Mobile Issues

Most mobile problems have straightforward solutions. Add a viewport meta tag if missing, set font-size to at least 16px, increase button sizes to 48px minimum, use max-width: 100% on images, and test on real devices - not just browser dev tools.

Test Your Site Now

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