My site is not working properly in mobile devices also i got some javascript issue

hey i have a site on infinityfree and i uploaded my files in it and tried to view in my pc and mobile its working fine on pc but however it is not working well on mobile devices as i have made my website responsive but it is opening in mobile devices as a desktop site
also i got another issue i have just cheked my source code but i got some extra javascript files included in it
please kindly reply and make a solution for these issues

I can check it if you want. What’s the URL of the site you are referring to exactly?