Derpib'u is better than Twbooru in this regard: MP4 derives. Example:

https://derpibooru.org/images/3194521
status code 200 https://derpicdn.net/img/view/2023/9/4/3194521.webm
status code 200 https://derpicdn.net/img/view/2023/9/4/3194521.mp4

https://twibooru.org/1873153
status code 200 https://cdn.twibooru.org/img/view/2020/7/20/1873153.webm
status code 404 https://cdn.twibooru.org/img/view/2020/7/20/1873153.mp4 so see https://derpicdn.net/img/view/2020/4/11/2319841.mp4

 >>/10866/
Another broken image ITT