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

Conspiracy

Freedom of speech does not apply to:

Perjury

How do you find out who your handler is as a targeted individual?

Revenge porn

No freedom is absolute.

Trade secrets

Atheists claim that Earth is 10 billion years old, yet there are no fossils that old. What do you have to say for yourselves for lying?

Terroristic threats

Revealing classified information

Insurrection

23andMe Sets New Auction With $305 Million New Bid From Ex-CEO - Bloomberg

Threats of violence

Insider trading

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.

How should an atheist respond to a religious person who asks, "Why do you hate God?" What are some appropriate and inappropriate ways to answer this question?

Child pornography

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.

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 crossdressers like wearing pantyliners and tampons in their butts?

HIPAA violations

False advertising

Fraud

Why do flat-earthers claim the 1967 photo of Earth from space was made with CGI, even though CGI didn't exist back then?

And much, much more.

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.