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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Google Pixel 8 / 7 • 412 × 915px
9:41
5G 100%
Rendering responsive mobile view...
Interactive mobile sandbox rendered at 412px viewport width. All mobile media queries and responsive breakpoints execute live inside the frame.
Mobile Health Audit

Mobile Readiness Score

79/100
Viewport Active
Touch Zoom Allowed
Responsive Img 34 / 35
HTML Weight 642 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
No Web App Manifest Detected

A manifest.json file allows mobile users to install your website as a progressive web app.

Optional
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 (2435 Elements)

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

4 / 10 pts
Moderate Mobile Latency (497.8ms, 642KB)

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:

stripe.com https://stripe.com
Stripe | Financial Infrastructure to Grow Your Revenue
Stripe is a financial services platform that helps all types of businesses accept payments, build flexible billing models, and manage money movement.