Otdfbt

Click bait works by pushing psychological buttons.

Most of those buttons are in the form of tangible curiosity and fear.

Fear: If you don't know this hinted secret you will die

Tangible Curiosity: List. "10 secrets of the incredibly famous" (your test, rewritten)

Also, promises and calls to action tend to trigger people's BS reflex. So, avoid those and stick with inducing the fear that they might lose out on something.

A common trend between your clickbait titles (and clickbait in general) is that they're promising to give you something, but only if you click in and read the article/watch the video/signup for the newsletter.

As @Cyn's answer mentions, this "something" that they give is

Sometimes [...] about making money, achieving fame, or curing disease. But other times it's a promise of great entertainment.

In addition to these, I'd like to add a trend I've seen recently that targets "niche" groups or fandoms with clickbait like:

True Marvel fans noticed these 20 Callbacks in Endgame

The "promise" here is a reaffirmation of the users' mental images of themselves. "I think I'm a 'True Marvel fan,' how many of these did I notice?"

This is also similar to:

87% of adults can't solve this problem, while Kindergartners find it easy!

It attacks the user's mental image again. "I think I'm pretty smart, surely if a Kindergartner can solve the problem, I should find it easy."

Remember that clickbait comes in all shapes and sizes, but the goal is to dangle something the user wants juuuuuust out of their reach--until they click.

Don't ever use the word if. It is a sign of lack of conviction. If you want to impose your clickbait on the audience, don't give them an opportunity to make a choice. Look at your own examples. They are affirmative. The audience feels like making a choice, but they really aren't.
There are a few things I would like to add. Probably I couldn't make my point clear. You may use if when you are closing up upon your audience. For example, there is an ad which says

If you have crossed fifty years of age, click here to know how to spend rest of your life in a healthy manner.

Now here, people don't have a choice. Either they are above fifty, or they are not.
Consider this:

If you want to multiply your wealth manifolds in just 2 days, click here

Here I have an option. I might be a successful person, and I might be fed up with money, I might look it over.
Yes, these are some special cases, but a better result or generality could be obtained through a mass survey, enquiring people on what words or conditions a person might fall for a click bait. So, if someone does, please let me know...

All of those examples imply there is some specific kind of secret knowledge you can learn quickly that will change your life.

In your example, "really famous" is not specific enough. First, in writing, "really" is an intensifier without meaning. What exactly is the difference between being "famous" and "really famous"? Or "mad" and "really mad"?

Even then, famous for what? Ted Bundy is really famous as a serial killer of 30 young women and girls.

Your examples make specific major promises easily learned: The secret of life with one simple trick. A single secret that implies you might become a billionaire. Ten specific actions that might save your life. There is a way you might be rich and unaware of it.

For your example, "One simple trick to gain thousands of new twitter followers" would be click-bait for people that want to become famous.

The trick is to offer something specific that people will want (a product, an experience, knowledge) in return for an extremely small specific effort. That is why such offers are often followed by "You won't believe #4!": Disbelief and surprise are typically pleasant visceral experiences, and you are teasing that with a specific slide (or list item).

If you want to be really famous you only have to click here.

1. "you only have to click here" - you can remove that. Your audience knows how the internet works. They know that in order to receive more information, they have to click. It's obvious.


2. "If you want to be" What do you mean, if you want? Your audience must know about your amazing secret. There is no choice for them to make here. Tell them that.

The secret to become famous you must know.

You could also make this more urgent by inciting some paranoia. Claim that there is some conspiracy which wants to keep that information secret and you are providing the extremely rare chance to learn about it:

The secret to become famous celebrities don't want you to know.

This could almost be code golf -- how many clickbait elements in the fewest words (or keystrokes).

CIA Officials are furious that this money-making trick has been revealed by a famous actor.

The deeper art of crafting clickbait (as you ask), can be learned by studying the logical fallacies and other logical errors, such as affirming the consequent, argumentum ad numerum and loaded questions/statements.

This is a quick answer and might contain "glitches" under strict logical error analysis, so please excuse. Just trying to cover some basics(not all) with these examples about a messenger app.

For example:

Why is everybody using THIS messaging app?

Why is everybody using the new messaging app from the Richie Rich software company?

Why all your friends are having fun with this great new app?

Why are the rich and famous using this cool app?

Why normal people are envying users of this great messenger app?

What is making investors give all their money to the makers of this new messenger app?

These examples combine the logical errors argumentum ad numerum, loaded questions, affirming the consequent and also the argument to wealth, appeal to authority and the burden of proof. I add burden of proof because as an argument, the clickbait is making you feel some need to click the link to get the proof. Is that right? Not sure, maybe not. But the others are all definitely mixed into the clickbait but are not just used in headlines or links, but everyday by people everywhere.

To keep it short, logical errors are mixed up, and normally presented in loaded question form, but can also be made as a loaded statement.

Example:

The messenger app that saved a busload of kids
Or... The trendy and free messenger app that heroically saved a packed bus of under-privileged inner city kids

From what? Being late for a sports match if you click the link and read more out of interest?

The messenger app that the executives are using(Appeal to authority. Executives use it so it is better.

Which executives? Three guys from a company in Europe who happen to be executives).

These tourists would have been stranded had it not been for this new messenger app?(Stranded how?

Click the link and it might go on to describe how they used the messenger app to get a ride into town to go drinking. Versus paying for a ride share etc...)

Ok, some slightly naive examples but I hope I have contributed indirectly to your question so you can understand how the logical errors form part of many tricks. And by understanding these errors how you can make better clickbait but also not be a victim of it, which is what you should really be doing, in my opinion anyway.

Please no Philosophy graduates making to many corrections. I am just linking the concept of logical errors to the concept of clickbait as a starting point for the deeper art of clickbait, and also understanding arguments in other contexts as well, not just in headlines.

Use a definite article (like the word this) prior to a hypernym (like the word thing), where using a more precise sub-ordinate noun (referent) would betray all necessary information to decide if you should click it. In the example below, if there's no highway 12 in your area: you wouldn't.

There was a number of fatalities resulting from this incident. – partofspeech.org

De-clickbaited:

There was a number of fatalities resulting from [the crash on highway 12].

I can't think of a hypernym for famous, which is the problem. With that word you've already laid all your cards on the table; I don't want to be famous... just like how there's no highway 12 in my area.

The rich and powerful do this.

Now that's some clickbait. Because (who doesn't want to be rich and powerful?) you're actually talking about celebrities, whom in the grand scheme of things, aren't all that powerful or rich. So, we're back to fame, and now I don't even care what 'that' was, because if being rich and powerful requires fame then I'm out.