Copyright hiding, license agreement

Hello, im using free Unity version for WebGL project and wondering about possibility to overlay “unity player” with different web content while its loading. In that case all the logos and “Made with Unity” copyrights will be hidden from user. Can it be done legal if i will put Unity logo somewhere else or hiding is not permitted in any case?
P.S. Sorry for bad eng

It’s not permitted. If you upgrade to the plus or pro version, you can replace it with your own splash screen.

Note that a plus subscription is a 12 month committment.