24 banner sizes
320×50
468×60
728×90
970×90
120×600
160×600
200×200
250×250
300×250
300×600
320×100
336×280
820×312
970×250
980×120
1128×191
1200×630
1500×500
1584×396
1600×900
1080×1080
1080×1350
1080×1920
24 sizes (22 standard + 2 social) in two formats: true pixel-ratio previews, size-verified PNG and 2× WebP for retina.
