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.

Trade secrets

False advertising

What I have noticed is nearly every girl I try to connect with whom reject me are in their early 20s why is that the case?

Conspiracy

Insider trading

Revenge porn

Harvard gastroenterologist Dr Saurabh Sethi shares two ways to keep the liver healthy - Times of India

Revealing classified information

And much, much more.

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.

Several people killed in school shooting in Austria's second biggest city, police say - NBC News

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.

Insurrection

HIPAA violations

Pluto's hazy skies are making the dwarf planet even colder, James Webb Space Telescope finds - Space

Perjury

Threats of violence

No freedom is absolute.

Doloremque harum est natus ipsum quasi at atque quam.

Child pornography

Fraud

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.

David Ortiz rips Rafael Devers — ‘You disrespected yourself’ - MassLive

Freedom of speech does not apply to:

Terroristic threats