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

Perjury

Freedom of speech does not apply to:

False advertising

How to use Google's AI-powered NotebookLM — 5 tips to get started - Tom's Guide

No freedom is absolute.

Conspiracy

HIPAA violations

Juror Dismissed In Sean "Diddy" Combs Trial For Perceived "Lying" - Deadline

Insider trading

Insurrection

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.

‘Wicked: For Good’ Trailer: Ariana Grande and Cynthia Erivo Put Glinda and Elphaba to the Test in Dazzling First Footage From Sequel - Variety

Terroristic threats

Revealing classified information

Trade secrets

Why is there a lack of affordable housing in the USA despite a surplus of empty homes?

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.

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.

Child pornography

The Tyrese Haliburton Conundrum - The Ringer

Fraud

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.

Threats of violence

Club World Cup: Qualified and eliminated teams - FIFA

And much, much more.

Revenge porn