Screen Resolution Test:
Browser viewport(browser window's size without
taskbars/toolbars/address bars):
Device Type:
mobile
tablet
desktop
Orientation:
portrait
landscape
Device OS:
ios
iphone
ipad
ipod
android
blackberry
macos
windows
fxos
meego
television
Some standard display resolutions and their market names/acronyms:
1280 x 720 (720p, HD, HD Ready, Standard HD)
1920 x 1080 (1080p, Full HD, FHD)
2560 x 1440 (1440p, Wide Quad HD, Quad HD, WQHD, QHD)
3840 x 2160 (4K, Ultra HD, UHD, 4K UHD)
7680 x 4320 (8K, 8K UHD)
Aspect ratio of a display device is a ratio between the width and the height of the screen.
Some common aspect ratios for displays:
4:3 (Fullscreen)
16:9 (Widescreen)
21:9 (Ultrawide)