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

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.

Revenge porn

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.

Why is North Korea a jail?

Insurrection

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.

Insider trading

O'Malley's dad 'super relaxed' cornering title bout - ESPN

Terroristic threats

And much, much more.

Threats of violence

How do I deal with autistic burnout/meltdown/shutdown when cooking?

Trade secrets

Child pornography

HIPAA violations

What would happen if the US government told the British government in no uncertain terms all RAF bases with USAF personnel now must follow the Constitution and us law, and if the UK tried to defy this, the US military would directly attack the UK?

Revealing classified information

Fraud

Freedom of speech does not apply to:

Having read so much about Archie and Lilibet not actually existing, does anyone have any proof that they not only exist but that Meghan gave birth to them?

False advertising

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.

What are the core beliefs of liberalism and conservatism? Can you provide a list of defining characteristics for each side?

Conspiracy

Perjury