Mobile traffic is already challenging the desktop traffic throughout the internet. Is your business website ready to serve that mobile audience? Is it perfect on many widely used mobile devices? This thing is known as Mobile Responsiveness – Art of creating websites to automatically resize to the user device screen size.
Mobile Responsiveness is the new industry standard to satisfy those mobile users. It’s a ranking signal for mobile SEO. So you can use this tool to see how your website acts on these popular 8 mobile devices.
Yep! if you’re web designer you can use this tool to test and fix responsive issues. We’ve included following mobile devices for this tool,
- Small Phone
- iPhone 3
- Small Tablet
- Samsung Galaxy S4 Mini
- iPhone 5
- Samsung Galaxy S3
- iPad Mini – Portrait
- iPad Mini – Landscape
240 x 320 (Small Phone) 
320 x 480 (iPhone 3)
480 x 640 (Small Tablet)
540 x 960 (Samsung S4 Mini)
640 x 1136 (iPhone 5)
720 x 1280 (Samsung S3)
768 x 1024 (iPad Mini – Portrait)
1024 x 768 (iPad Mini – Landscape)
Handful of thanks to Matt Kersley for the initial mobile responsive tool.