Enter your Web Site URL in the Above URl Box and Click the GO Button. Eg:
https://www.gokul.work
iPhone 5 portrait - width: 320px
iPhone 5 landscape - width: 568px
iPhone 6 portrait - width: 375px
iPhone 6 landscape - width: 667px
iPhone 6 Plump portrait - width: 414px
iPhone 6 Plump landscape - width: 736px
Android portrait - width: 240px
Android landscape - width: 320px
Android (Nexus 4) portrait - width: 384px
Android (Nexus 4) landscape - width: 600px
iPad portrait · width: 768px
iPad landscape · width: 1024px