So, directly to a login page. No demo, no explanation, no features, not even a single screenshot, not even a paragraph of text of what it is about, nothing.

Maybe your product is great, maybe even fantastic, but the presentation does not convince me to sign up at all.

Sorry if this sounds harsh; nothing personal.

I need to give an email and create an account without any real information about what’s on the other side?

Hard pass.

If this is a learning platform, step 1 would be to teach potential users what it is you’re offering and why they might want to sign up.