Also optimise gifs with gifsicle.
These are the same gif files just after running gifsicle -b --optimize **/*.gif
Showing
![app/assets/images/ajax_loader.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/app/assets/images/ajax_loader.gif)
![app/assets/images/ajax_loader_gray.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/app/assets/images/ajax_loader_gray.gif)
![app/assets/images/ajax_loader_tree.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/app/assets/images/ajax_loader_tree.gif)
![app/assets/images/onion_skin_sprites.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/app/assets/images/onion_skin_sprites.gif)
![app/assets/images/swipemode_sprites.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/app/assets/images/swipemode_sprites.gif)
![app/assets/images/trans_bg.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/app/assets/images/trans_bg.gif)
![vendor/assets/images/progress_bar.gif](https://lab.node.vifib.com/jerome/gitlab-ce/-/raw/58408b96f32869dd67ee28fbcb34c33fae2f9ab3/vendor/assets/images/progress_bar.gif)
These are the same gif files just after running gifsicle -b --optimize **/*.gif
7.74 KB | W: | H:
7.73 KB | W: | H:
8.17 KB | W: | H:
7.6 KB | W: | H:
6.38 KB | W: | H:
3.09 KB | W: | H:
1.55 KB | W: | H:
548 Bytes | W: | H:
1.5 KB | W: | H:
505 Bytes | W: | H:
58 Bytes | W: | H:
50 Bytes | W: | H:
502 Bytes | W: | H:
494 Bytes | W: | H: