Why would you do that? The GIF images are legacy, and should no longer be used for new projects.
Not all GIF images have been converted to SVG. So, if you want to use certain images, GIF is still your only choice. So, he may as well make his images available as GIFs. But if he can, he should also make them available as SVG.
Not all GIF images have been converted to SVG. So, if you want to use certain images, GIF is still your only choice. So, he may as well make his images available as GIFs. But if he can, he should also make them available as SVG.