I recently came across a new platform while browsing, and I was surprised by how smooth and fast the overall experience feels compared to others I've tried before, especially in terms of loading speed and usability —
https://schoolido.lu/user/yj54wiwpfv/
https://schoolido.lu/user/m62wdxkdbo/
https://forum.fedilab.app/user/q54cgxpf