Test your web pages in different window sizes

Small devices (mobiles etc.)

HTC (one of) group
Resolution: 240 x 320:   portrait
Resolution: 320 x 240:   landscape
IPhone group
Resolution: 320 x 356:   portrait
Resolution: 480 x 208:   landscape
Resolution: 320 x 444:   portrait
Resolution: 568 x 208:   landscape
Temporary unknown mobile deivce
Resolution: 287 x 366:   portrait
Resolution: 480 x 247:   landscape
webTV
Resolution: 544 x 384:
1. 960 x 720: Panasonic DVCPRO100 for 50/60Hz over 720p - SMPTE Resolution.
2. 960 x 640: Apple iPhone 4S,4th Generation iPod Touch[10] (DVGA)
3. 960 x 540: Quarter FHD, (AACS ICT), HRHD, Motorola Atrix 4G, Sony XEL-1 (QHD) [Reference]
Resolution: 960 x 540:

Standard window sizes

PC, LYNX, UNIX etc.
Resolution: 640 x 480 :
Resolution: 800 x 600 :

Default Netscape Browser sizes

MAC
Resolution: 640 x 480 (size: 470 x 300) :
Resolution: 800 x 600 (size: 470 x 430) :
Resolutio: 1024 x 760 (size: 470 x 600) :
PC
Resolution: 640 x 480 (size: 580 x 300) :
Resolution: 800 x 600 (size: 580 x 430) :
Resolution: 1024 x 760 (size: 580 x 600) :