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

Fraud

Freedom of speech does not apply to:

Child pornography

Why do men cheat on their wives with someone extremely unattractive?

And much, much more.

False advertising

HIPAA violations

Which current F1 drivers should switch teams based on historical patterns?

Conspiracy

Revenge porn

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.

Scientists Identify Hidden Rule That Shapes All Life on Earth - SciTechDaily

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.

Revealing classified information

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 are conservatives banning liberal books? Why are conservatives so offended by the teaching of racism and other topics?

Trade secrets

Insider trading

Threats of violence

Why does my cat get anxious during loud noises like thunderstorms or firework displays? Is this a common behavior for cats, and is there a way to help them cope with it?

No freedom is absolute.

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.

Insurrection

Donald Trump's family launches 'Made in America' T1 smartphone. Here's what it offers - Mint

Terroristic threats

Perjury