Show the correct GIF animated image size

[Mapaler]

This is the correct image size in Fireworks

Screenshot_2020-04-01-14-32-54.png (16.8 KiB) Viewed 464 times

But in XnViewMP it's not right.

Screenshot_2020-04-01-14-32-36.png (20.96 KiB) Viewed 464 times

Now I need JavaScript to get the image size, a little trouble.

Screenshot_2020-04-01-14-39-14.png (1.51 KiB) Viewed 464 times

This is the Gif file.

GIF animated Sample

30_avatar_big.jpg.gif (137.59 KiB) Viewed 464 times