On: Burn All GIFs (2000)

[banana_giraffe]

Or it's just a GIF:

    $ wget "https://c.tenor.com/bD9vHNiR1rQAAAAd/boom-mind-blown.webm"
    --2022-08-12 09:39:06--  https://c.tenor.com/bD9vHNiR1rQAAAAd/boom-mind-blown.webm
    Resolving c.tenor.com (c.tenor.com)... 142.251.46.225
    Connecting to c.tenor.com (c.tenor.com)|142.251.46.225|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 6381102 (6.1M) [image/gif]

[fragmede → banana_giraffe]

The first url just returns GIF regardless of the extension given. https://c.tenor.com/bD9vHNiR1rQAAAAd/boom-mind-blown.asdf is also a gif.

The mp4 of it is at https://c.tenor.com/Oc4nf8N08jIAAAPo/mind-blow-galaxy.mp4, and is 12.1 MiB to the HD gif's 17 MiB (https://c.tenor.com/Oc4nf8N08jIAAAAC/mind-blow-galaxy.gif). As you noted, the SD gif is only 6.1 MiB.