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...
If a modern web app (like Next.js/React) displays a client-side "Retry" message due to cross-origin API restrictions, click 🛡️ Safe CSS View or ↗ Open in Mobile Window.
Mobile Health Audit

Mobile Readiness Score

80/100
Viewport Active
Touch Zoom Allowed
Responsive Img 0 / 1
HTML Weight 35.3 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
Legacy Fixed Image Sizing

Found 1 image(s) without responsive srcset candidate attributes. May deliver oversized desktop images to mobile cellular connections.

5 / 15 pts
Images Missing Native Lazy Loading

Found 1 image(s) without loading="lazy". Adding lazy loading improves Largest Contentful Paint (LCP) on mobile.

0 / 10 pts
Lightweight DOM Size (385 Elements)

DOM element count is lean (< 1,500 elements), ensuring fast mobile rendering and low battery consumption.

10 pts
Fast Mobile Server Response (40.7ms, 35.3KB)

Server response time and initial HTML payload are well optimized for 4G/5G mobile networks.

5 pts

Mobile Google Search Appearance

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

tonyherman.com https://tonyherman.com
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