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Website Responsive Test
With LT Browser

Next-gen browsers to Build, Test & Debug Responsive Websites.

Window 7+, OS X 10.10+ & Ubuntu 12.04+
Download LT Browser
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LT Browser Mobile Friendly Design Checker with Happiest Users LT Browser - An Awarded responsive design checker tool LT Browser Mobile Friendly Design Checker with Happiest Users Product Hunt LT Browser - Finance onine rising sofware LT Browser - responsive design checker with great user experience

Responsive Testing On Mobile Resolutions

Test website on different pre-installed mobile device viewports. See mobile view of website on a variety of Android and iOS resolutions with the LT Browser, a dev-friendly responsive testing software.

Check Mobile View Of Your Tablets

Check responsive design on your tablets

Validate responsive web design and check how your website or web application looks on iPads and Galaxy tablet on landscape and portrait mode with this responsive testing software.

Check Mobile View Of Your Tablets

Test On Laptop Viewports

This is a handy responsive testing software to view website on scores of laptop screen resolutions. You can also add custom screen resolutions to address specific responsive testing needs.

Test On Different Laptop Devices

Test On Different Desktop Sizes

Check how your website or web application renders on different desktop resolutions and viewports with the this responsive testing software. Add custom desktop resolutions as per your test requirements.

Test On Different Desktop Devices
Side by Side Mobile View Of Website With LT Browser

Side By Side View With Sync Scroll

No hassle of switching between two devices for website responsive testing. With mirrored view of your website on two screens, inspect website on different resolutions simultaneously.

Add Custom Device Resolutions

Create your own custom device viewport for website responsive test. Test responsiveness of your website on custom resolutions of mobile, tablet, laptop and desktop screen resolutions.

Create your own Custom Devices With LT Browser
mark as a bug during website responsive test

Mark as a Bug

While performing website responsive test on all view ports, you can also mark your bug directly to your bug management tool like: JIRA, Asana, Trello, or move it to Github, Gitlab or also communicate over Slack.

VIEW ALL INTEGRATIONS

Why Responsive Website is Important?

Check Mobile View Of Your Website

Walmart found that for every 1 second improvement in page load time, conversions increased by 2%.
Crazy Egg

Check Mobile View Of Your Website

The first organic listing on mobile receives 27.7% of clicks, versus 19.3% of clicks on desktop
seoClarity

Check Mobile View Of Your Website

Every dollar spent on UX improvement returns anywhere between $2 and $100. Improving the UX should be your top priority as it is linked to several critical metrics (bounce rate, churn rate, conversions, engagement, etc)
Toptal

Check Mobile View Of Your Website

79% of smartphone users have made a purchase online using their mobile device in the last 6 months in 2020.
OuterBox

Check Mobile View Of Your Website

51% of smartphone users have found a new company or product when searching on mobile.
Google

Full Page Screenshot & Video Recording

Take One-click full page screenshot and video recording of the current viewport. Share every bug with detailed notes, anotations, and viewport details of website responsive test to your teammates.

Media, Keep Track Of Your Tests

Consider Media as a Personal Gallery of all the images and videos you captured while performing website responsive test. It helps to keep track of every annotation and viewport details of your test like Device, Time Stamp, Bug Marking, and more.

test responsive design locally

Inbuilt DevTools For Mobile Website Test

LT Browser helps you debug multiple viewport sizes while performing responsive tests using inbuilt DevTool. Test website on various device resolutions with separate DevTools for each.

Get Your Lighthouse Performance Report

Generate detailed performance report of your website in a single click. This helps you with statistics to analyse key performance metrics, accessibility score, SEO, and a scope to improvise the overall performance of your website or webapp.

Improve Website Performance With Lighthouse Reports
Test Local Website Without Any Extension Or Tunnel

Test On Different Network Conditions

The inbuilt network simulation feature allows you to test your website on low to high network profiles. You can even test your websites on offline mode and see how they reflect to the actual users using this responsive testing software.

Responsive Design Test With Hot Reloading

With Hot Reloading you will have an almost pixel perfect view of your local website or web app in real time. You can see how your design changes look on a myriad of devices as soon as you hit the save button.

test responsive design locally
iPhone tester online

Perform Responsive Test on LambdaTest

Perform responsive test for your Website on different devices with LambdaTest Responsive Test. You can choose up to 56 devices and view the website on all their resolutions.

Try It For Free

Boost your Productivity
and Quality of Work with LT Browser

Develop Responsive Web Apps

Design and develop responsive web apps twice as fast.

Integrated Debugging Tools

Debug your website or web applications on the go.

Integrations

Mark bugs, annotate them and share it with your team.

DOWNLOAD LT BROWSER

GET UNLIMITED MINUTES TO PERFORM WEBSITE RESPONSIVE TEST

Our paid plans start at only $15/month.

See Plans & Pricing Sign Up
Perform Mobile Website Test on cloud

24*7 Support From Our
Tech Experts

Our tech experts are available on our support 24*7 to help you in case of problems. You can get in touch with us by filling up the contact form, messaging in-app, or through call. You can also write to us at support@lambdatest.com and we'll get back to you in no time.

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