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://sfx.thelazy.net/users/u/n3n3/
https://telegra.ph/222ccc-platform-review-8edt-08-19
https://leetcode.com/u/a55554/