Test Website on Mobile For FREE!!

Build, Test & Debug mobile websites.

Best Mobile Website Tester For Free

  • Mobile Site Test On Your Local Machine
  • Check Mobile Website for Responsiveness
  • Mobile Site on Side-by-Side Viewport
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Real device on cloud

  • Test on latest desktop and mobile browsers
  • Geo Location Testing of Mobile Websites
  • Automated Mobile Website Test
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Ltbrowser Laptop testingEnter

Device 1

Device 2

iphone 12 pro(1170x2532)


Google Pixel (1080 x 1920)

Google Pixel

Why my mobile website refused to connect? : Your website may not be supporting iframe. Don't worry LT Browser has it covered. Download and install LT Browser to enjoy un-interrupted mobile website testing for FREE!!


Boost your Productivity and Quality of Mobile Websites


Custom Device Resolutions

Create and save your own custom mobile viewports. Create mobile, tablet, and desktop viewports to test websites on each of them.


Side-by-Side View

No need to switch between two viewports. Test on two mobile screens together with this mobile website test on LT Browser.


In-built Dev-Tools

Use In-built Dev-Tools to test your mobile website on multiple device sizes. Separate Dev-Tools for both the mobile view ports.


Google Lighthouse Report

Once-click sharable google lighthouse performance report. Analyze key metrics, accessibility score, SEO, and a lot more.


One-Click Bug Logging

Mark bug with a summary while testing site on mobile. Leverage integration with Jira, Trello, Asana, Slack and more.


Network Throttling

In-Built network simulation to test websites on mobile. Test from slow 3G to 5G network speeds. Get the first hand user experience.

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How to test my website on mobile?
You can use browser emulation. Eg Chrome, Right click > Inspect > Toggle Device Tool Bar. You can check your website on a few viewports. But, the best way would be to use a specialized tool Eg. LT Browser, it is meant test site on mobile. Additionally you'll get many productive features as well.
Why should I test my website on mobile?
Majority of internet users around the world uses mobile devices to visit the websites. Testing your website on mobile screens ensures the best possible UI/UX for them when they visit your website via mobile device. Additionally mobile friendly websites also gets preference in google SEO parameters.
When should I test my website on mobile?
There are many occasions where you must test your website on mobile but in following two cases you must test your website on mobile 1. When you know that you website is going to be used from a lot of mobile screen, and 2. When you have incorporated responsive designs in the website.
Which mobile devices I should test my website on?
It depends on the devices used by your website visitors. To cover it broadly we can consider following
Mobile- iPhones, Samsung Galaxy series, OnePlus phones of past 2 to 3 years.
Tablets- iPads and Samsung Tablets launched in past 3 to 4 years
PCs- Laptops from Lenovo, Dell, Apple for past 5 years
How to measure the success of the mobile website test?
Once the website renders as it is required to render across all the desired mobile view ports, and if the user is getting best user experience we can consider it a successful mobile website test.
What is the difference between responsive and adaptive design?
Responsive website is fluidic enough to adapt to any shape or size of the viewing device. Adaptive website first detect a predefined resolution and shows pre decided static elements of the website. Fun Fact: Google ranks mobile friendly websites higher compared to any other form of website.

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