You've been staring at heatmaps for 3 weeks.
You know users drop off at the pricing section.
You know the hero gets 40% scroll depth.
You know the CTA button gets clicked 1.2% of the time.
You just don't know what to do about it.
That's not a Hotjar problem. That's a decision problem.
Hotjar is brilliant at showing you behavior.
It cannot tell you which behavior to fix first.
So you end up with:
- 14 heatmap screenshots
- 6 session recordings bookmarked
- A Notion doc titled "things to improve"
- Zero shipped changes
Sound familiar?
Here's what actually happens when founders get data without a decision engine:
They optimize the wrong thing.
They fix the button color because it's easy.
They rewrite the hero because it's fun.
They A/B test the CTA because it feels scientific.
Meanwhile the real problem — the one that's actually killing conversion — sits untouched in session recording #47.
CoSt doesn't replace Hotjar.
It answers the question Hotjar can't:
"Given everything I know about my site, my market, and my ICP — what is the ONE thing I should ship this month?"
Not a list. Not a dashboard. One bet.
With a Kill List of everything we rejected — and exactly why.
(For a full side-by-side comparison, see Hotjar vs. CoSt.)
The workflow that actually works
- Hotjar → understand what's happening
- CoSt → decide what to fix first
- Ship → come back to Hotjar to measure
Data without decision is noise.
Decision without data is a guess.
CoSt gives you the decision.
Hotjar gives you the proof it worked.
If you're using Hotjar and still don't know what to focus on this month — that's exactly what CoSt is for.
costdecision.com — one bet, 6 minutes, kill list included.