he first thing you need to check is whether your website passes the mobile-friendly test or not.
Google has a nice tool for testing if your website has a mobile-friendly design. All you have to do is enter your URL and click the ANALYZE button. The tool will give you a list of things to improve in case the page did not pass the test.
Mobile Friendly Test
If you passed the test, this is great! You can now concentrate on improving the overall user experience on mobile by avoiding the mistakes. So check the mistakes and fix the bugs as soon as possible.