NOT A GOOD IDEA. TERRIBLE PREACTICE
This is your current GIF size:

SIZE: 9MB

MEASUREMENT: 2600 x 1667

256 colors | 5 frames

VERY GOOD PRACTICE
This is your current GIF size: .

SIZE: 41K

MEASUREMENT: 300 x 297

Small size | 3 frames | 2 colors

RESIZED AND OPTIMIZED.
This is your current GIF size:

SIZE: 393K

MEASUREMENT: 500 x 333

Small size | 3 frames | 128 colors