CPanel vs Plesk?

[tggt]

for the end user is no difference (matter of habit)

support OS:
CPanel - CentOS, CloudLinux, or RHEL
Plesk Onyx - CentOS, CloudLinux, or RHEL, Ubuntu, Debian

Plesk has a lot of free plugins + Docker, but interface is not too fast

speed & security depends only on the server admin skills.