Crazy Egg's 2023 click-map study of digital menus shows "More Details" expandable cards earn a 38% average click rate. Yet when those cards carry calories, macronutrients, or allergen detail, the rate jumps to 62%. A 24-table healthy bowl restaurant in Izmir Karsiyaka leveraged exactly this — and grew weekly fitness customers from 89 to 156.
Why the Click Rate Actually Matters
An expandable card is not decoration; it is a signal that measures the customer's information hunger during decision-making. According to Crazy Egg, 71% of users who don't click bounce within 8 seconds. The card stays closed, the brain says "not enough info," and intent dies.
Clicking users, however, spend an extra 2.4 minutes on the menu and lift average basket size by 18%. This is not "extra info" — it's a UX decision that builds trust and transparency.
Izmir Karsiyaka Case: 24 Tables, 75% Growth
The bowl restaurant served a fitness-oriented segment. Old menu only listed core ingredients. New expandable cards added calories, protein grams, carbs, and saturated fat. Result: weekly fitness visits jumped from 89 to 156 — a 75% increase.
The owner's observation: "Customers used to walk to the counter and ask for calorie counts. Now they see it on their phone, order directly. Staff load dropped, basket grew."
What Belongs Inside the Card
- Nutritional values — calories, protein, carbs, fat, saturated fat, fiber, sugar
- Allergen list — EU-14 standard (gluten, dairy, nuts, etc.)
- Portion size — in grams or volume
Don't overdo it. Card descriptions over 200 words increase the post-click bounce rate by 34%. Keep it short, scannable, concrete. The goal is information density, not a wall of text.
FAQ
How do I measure expandable card performance? Click-map tools like PostHog or Crazy Egg track open rate, dwell time, and basket contribution. The thMenu admin panel also surfaces click analytics per item.
Are calorie labels legally required? Not yet in Turkey, but mandatory for certain chains in the EU. Transparency lifts sales regardless of legal status.
Should every item have a details card? Definitely for signature dishes — premium and high-margin items see click rates up to 80%. For standard items it's optional.
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