Preview web page in different screen size ─ 檢視解像度

type or copy-paste this into the address bar: javascript:top.resizeTo(800,600). You will see what others with small screen see.

javascript:top.resizeTo(800,600)
javascript:top.resizeTo(1024,768)
javascript:top.resizeTo(1280,1024)

Origin:
Blogger Tips and Tricks