If freedom of speech is absolute, how come it's not applied for private spaces and for the Internet?

Freedom of speech does not apply to:

Threats of violence

Child pornography

What is your favourite true story to tell at a party?

You have freedom of speech. If I loan you my computer, I can tell you not to use it for certain things, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

HIPAA violations

Terroristic threats

Who are your 5 or so favorite Quora people?

If you’re wondering why free speech doesn’t apply to the internet, it’s because you have no right to use other people’s stuff for free.

Insider trading

You have freedom to travel. If I loan you my car, I can tell you not to take it out of town, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Do you have any problem dating a younger man?

Revenge porn

Insurrection

Trade secrets

HHS justifies decision to stop recommending Covid shots during pregnancy with studies supporting the shots’ safety - Politico

Fraud

And much, much more.

Revealing classified information

Why do White people love dogs more than humans?

False advertising

Conspiracy

No freedom is absolute.

Which Bibles can one read and be confident they are reading the inerrant word of God?

Perjury

That’s what it is. You have no right to use other people’s stuff. If people let you use their stuff, they can tell you how you can use it, and they can tell you to stop using it any time they want.