Here, we have another number-based headline that should get users’ immediate attentions. As you’ll see in the titles throughout this guide, a common thread is heavily implying that your readers are about to learn something new. Here, that effect is made bluntly; you’re directly stating that you’re about to tell your readers something they didn’t know before about the subject of your choice. The word “secrets” also adds a layer of mystique here, making your readers feel like they’re about to get some privileged information. Just make sure you have something juicy to back up this headline’s power.