If freedom of speech is absolute, how come it's not applied...

Freedom of speech does not apply to:

Threats of violence

Conspiracy

NASA's Voyager Found a 30k-50k Kelvin "Wall" at the Edge of Solar System - Hacker 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.

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.

And much, much more.

Experts say you should deadhead bee balm for blooms all summer long – here’s when and how to do it - Homes and Gardens

Revealing classified information

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

Deals for Today: The Latest MacBook Air is Already Discounted, Cheap Controllers, and Big Savings on Father’s Day Gifts - IGN

Child pornography

Perjury

Insurrection

What’s going on with measles, bird flu, and COVID? Here’s a guide to the latest. - The Boston Globe

Insider trading

False advertising

HIPAA violations

The Incredible Story of the 20-Foot Sloths and What Caused Their Extinction - Indian Defence Review

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.

Terroristic threats