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

No freedom is absolute.

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.

Threats of violence

Have you ever regretted not hitting on a older women?

Conspiracy

False advertising

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.

What kind of lights would you like to use for your home decor?

Fraud

Revealing classified information

Insider trading

Cholesterol: Daily cup of beans may lower levels, improve heart health - MedicalNewsToday

Freedom of speech does not apply to:

Terroristic threats

Insurrection

Why does Christianity push reconciliation after a partner cheats? Mine had a 7-year affair with someone half my age. He cheated and lied. He is not the same to me.

Revenge porn

Child pornography

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.

Why do so many 18 to 29-year-old men struggle in dating?

And much, much more.

HIPAA violations

Perjury

EA's cancelled Black Panther game would have featured an evolved take on Shadow of Mordor's Nemesis System - Eurogamer

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.

Trade secrets