Thunderfix is a small tool that can fix Mozilla Thunderbird performance. If you have more GB of emails stored in Thunderbird and if you are experiencing slow start time, slow navigation through email folders, you might try Thunderfix. What Thunderfix does is that it detects *.msf files within your Thunderbird profile and removes them. After that, you can run Thunderbird and wait for new MSF files to be generated and you’ll see the improvement. With time MSF files become corrupted and can contain garbage, so this is quick solution for the problem.

Intégrer le format .webp dans Nginx, après avoir converti vos images avec https://www.digitalocean.com/community/tutorials/how-to-create-and-serve-webp-images-to-speed-up-your-website

Ezgif.com is simple online GIF maker and toolset for basic animated GIF editing.
Here you can create, resize, crop, reverse, optimize, and apply some effects to gifs.

Via river.

Attribut "faststart" :

ffmpeg -i input.mp4 -movflags faststart -acodec copy -vcodec copy output.mp4