I faced a very serious issue in today's contest. Just after the start of the contest, I had to wait for around 20 minutes for Cloudflare verification on Codeforces. I tried reloading multiple times, but the issue persisted. I faced this issue multiple times during the contest, which caused me to submit my solutions late and receive significant penalties.
Please look into it MikeMirzayanov.
I faced the same issue.