For UI Team :- All Pages /Screens should be as per approved designs. All browsers should be consider as latest versions. 1)Google chrome 2)Internet Explorer 3)Mozilla Firefox 4)Safari 5)Opera For responsive :- consider device default browser Atleast consider following resolutions while doing responsive development. 1) Asus 360*640 2) Iphone 3S 320*480 3) Samsung Tab 800*1280 4) Ipad 768*1024 5) Iphone 6 375*667 6) Iphone 6 plus 414*736 7) Iphone 5 320*568 8) Kindle Fire 600*800 9) Samsung galaxy tab 600*1024 For UI desktop:- 1)IMac 2)MacBook pro 3)Small ,medium and larger screen desktops Note:- Use less JavaScript and inline CSS, follow w3c school and google page insights guidelines For Mobile Team:- 1)Network related alert 2)GPS related alert 3)Device back button should be controlled 4)provide proper minimum and target OS version as per market for apps. For Functional Team:- 1)Concentrate on performance while implementing functionalities. 2)Use simple queries so its execution time will increase. 3)All basic validations should require on forms, login page ,sign up page etc. 4)Flow control 5)cache management 6)CMS should be as per requirements.