There are some mobile recommended tools you can make use of. These are some you can give a try to and see how it works.
mobiReady
A free
tool for developers, designers and marketers to test website performance on mobile devices. Is your site mobile ready? Test it for free.
Mobile-Friendly Test - Google Search Console
Even more from Google. Is your
web page
mobile-friendly? ... About this
tool.
Test how easily a visitor can use your page on a
mobile device.