Bot & Device Simulators / Mobile View Simulator

Mobile Responsiveness & Device Tester

Simulate how your website renders across modern smartphone viewports, test pinch-to-zoom accessibility, and audit 8 essential mobile health factors.

Try an example: apple.com • stripe.com • bbc.com
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Apple iPhone 15 / 14 Pro • 393 × 852px
9:41
5G 100%
Rendering responsive mobile view...
Interactive mobile sandbox rendered at 393px viewport width. All mobile media queries and responsive breakpoints execute live inside the frame.
Mobile Health Audit

Mobile Readiness Score

89/100
Viewport Active
Touch Zoom Allowed
Responsive Img 74 / 145
HTML Weight 679.7 KB

Detailed Mobile Health Tests (8 Checks)

Mobile Viewport Tag Configured

Standard mobile viewport meta tag detected (width=device-width). Allows proper scaling on smartphone screens.

25 pts
Pinch-to-Zoom Scaling Enabled (WCAG)

Mobile visitors and visually impaired users can zoom in to read content comfortably.

15 pts
Apple Touch Icon Configured

Configured with high-resolution icon for iOS home screen bookmarks.

10 pts
Web App Manifest (PWA) Configured

Web manifest declared, enabling mobile install prompts and theme color configuration.

10 pts
Responsive Image Markup Configured

Images utilize srcset or <picture> markup for responsive device delivery.

15 pts
Mobile Image Lazy Loading Active

Images defer offscreen downloads via native loading="lazy", saving mobile cellular bandwidth.

10 pts
Heavy Mobile DOM Tree (2955 Elements)

Complex DOM trees (> 1,500 elements) cause sluggish scrolling and style recalculation bottlenecks on budget smartphones.

4 / 10 pts
Moderate Mobile Latency (496.7ms, 679.7KB)

Consider CDN caching and HTML compression to accelerate mobile cellular load speeds.

2 / 5 pts

Mobile Google Search Appearance

This is how your website appears on Google search results when visited from a smartphone:

bbc.com https://bbc.com
BBC Home - Breaking News, World News, US News, Sports, Business, Innovation, Climate, Culture, Travel, Video & Audio
Visit BBC for trusted reporting on the latest world and US news, sports, business, climate, innovation, culture and much more.