Good observation. The reason that CrazyEgg can get by with such a headline is that they count on their audience (marketers) already being familiar with the tool. If you look at older versions of their website through the web archive you'll see that they used to have more informative headlines, such as "Get Immediate Insight Into Your Visitor's Behavior"[1] followed by actual descriptions of what the product does.

When creating their landing pages, people often model pages of well-established companies, missing the fact that their audience's awareness level is totally different. It's a common mistake. You end up with a website as pretty as the one from your favorite startup, but with horrific bounce and conversion rates.

I call it the cargo cult[2] approach to marketing

--- [1]: http://web.archive.org/web/20110225071634/https://www.crazye... [2]: https://en.wikipedia.org/wiki/Cargo_cult