Test SrcSets
Original images (4608x3456) tested on various devices, like an iPhone XR (828x1792), iPhone 13 Pro (1170x2532), PC Monitor (2560x1440), 4k Laptop (3480x2160).
First image with fancyBox 3:
iPhone XR: 0.5x: 1000x750 (WebP)
iPhone 13: 1.0x: 2000x1500 (WebP)
PC Monitor: 1.3x: 2600x1950 (WebP)
4k Laptop: 2.0x: 4000x3000 (WebP)
Font size:
200%
175%
150%
125%
100%
75%
50%
Button size:
largest
large
normal
small
smallest
Viewing time:
1 s
3 s
5 s
8 s
15 s
25 s
60 s
Transition effect:
None
Fade
Slide
Circular
Zoom-in-out tube
Zoom-in-out
Rotate
in
0 ms
400 ms
800 ms
1500 ms
3000 ms
Use full screen for a picture:
no
yes