How to promote your free programming courses?

Question

IT education

I teach teenagers (11+) and adults the basics (and not only the basics) of programming for free (mostly or completely), but I don’t know how to make people start contacting me. How to promote your services for free?
Someone once advised me to place an ad on some site, but I don’t remember which one. Does anyone have experience in this matter?
Classes are held online (individually, but at best - in groups)

Answer 1

If you have knowledge, write articles on Habré, useful articles are read very well. As a bonus, you will receive good feedback from the profile community.
And so the classic is contextual advertising, nothing more effective has yet been invented.

Answer 2

You can create your own website to provide services there, even for free. For example, hosting (000webhost, they also give a domain there). Then you can use the site designers to create your own, beautifully and conveniently. To recruit people, for example, you can create a discord server, to which you can leave a link on the site, you can already conduct lessons in the discord server. And you can promote your site, for example, by advertising on YouTube, leaving information about you and a link to the site on various forums, you can go to Avito and similar sales services, and then set the price to 0 and a link to your site with courses.

Answer 3

There are many ways that you can promote like you can share your knowledge by writing a blog or making video and share on relevant free platforms.

Answer 4

You can publish it on Stepik, there are many free lessons, people love it.

Answer 5

Avito?
Services from Yandex?