In most of my articles I mentioned the fact that mobile friendliness is now one of the main factors considered by Google for ranking a website in search results. So, if your website is not responsive till now, you should do that before it’s too late.
These tools will let you choose the devices of different resolutions and screen sizes to check your website’s responsiveness so that you can check whether your website is FULLY responsive or not.

1. Studiopress Responsiveness Checker
Studiopress is itself a great theme selling website where world’s popular Genesis framework is available. Studiopress also has a tool that lets people see how their site design looks on different devices — including mobile phone, tablet, and different web browser window sizes.
It’s very simple to test your website’s responsiveness with Studiopress’s Responsive Design Testing tool. All you need to visit https://www.studiopress.com/responsive/ and then enter your website’s URL. That’s all, it will instantly show how your website fits in different screen sizes.
2. isResponsive
isResponsive is another great tool I found on the web to test the website’s responsiveness. isResponsive lets you test the mobile friendliness of your website in different screen sizes as well as different versions of iPhones.
You only need to simply visit https://www.isresponsive.com/ and here you will see a box for entering the website address. So, simply enter your website URL and check the responsiveness of your website by switching between different models of iPhones.
3. Responsive Design Checker
This responsive design checker tool lets you check your website’s responsiveness in different devices such as desktops, laptops, tablets and smartphones of different screen sizes.
To test the responsiveness of your website using Responsive Design Checker tool, visit https://responsivedesignchecker.com/ and enter your website’s URL. And by clicking on different screen sized devices, you can check how responsive your website is.
MUST READ: How to Use Adsense Ads on Responsive Websites
That’s all guys! These 3 tools are my favorite for testing the responsiveness of websites. I know there are many tools available on the web for the same, so if you know any other great tool for testing website’s mobile-friendliness, let me know via comments so that I can add that too in this list of great responsiveness checker tools.
Studiopress responsiveness checker tool is my first choice because it provides reliable results.
Other than this, I love genesis framework by stuidiopress and its other themes.