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:

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.

Perjury

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Revenge porn

Child pornography

And much, much more.

Miley Cyrus Reveals What Caused Her Estrangement from Dad Billy Ray for the First Time - instyle.com

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

Insurrection

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False advertising

Threats of violence

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.

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Conspiracy

Fraud

No freedom is absolute.

Chinese-Owned Company Halts Work on Factory to Make Batteries in U.S. - WSJ

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.

Trade secrets

HIPAA violations

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Terroristic threats

Revealing classified information