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.

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.

Child pornography

Nike on Amazon; Nike’s Disastrous Pivot; Inevitability, Intentionality, and Amazon - Stratechery by Ben Thompson

False advertising

Terroristic threats

Conspiracy

Where are the gay people in India?

And much, much more.

Freedom of speech does not apply to:

Threats of violence

Nutritionists reveal the surprising health benefits of maple syrup, including less belly fat - Earth.com

Fraud

HIPAA violations

Revealing classified information

What is the sum of X+XX+XXX+XXXX?

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.

Revenge porn

No freedom is absolute.

Do liberals realise that God, who is much more powerful than them, is on the side of Trump?

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.

Perjury

Trade secrets

What do you think about a sister's love?

Insurrection

Insider trading