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Long-form guide

Koro Case Study

KoRo added €2.56M in 6 months without increasing ad spend. Here's how we built their first structured CRO system from zero. When KoRo brought us in, they were already a €250M+ European food brand.

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Koro Case Study

What's inside

What you get

Strong demand, loyal customers and a broad catalogue.

But they had never run a single structured A/B test.

No shared evidence system. No way to know which ideas were actually working.

And the funnel was leaking in expensive places:

58.2% cart abandonment.

63.6% of traffic on mobile.

As their CRO partner, we built the engine from scratch.

Here's what we did:

\- Ran 40+ hours of session recordings to map buying hesitation

\- Built a decision tree around real bulk-food purchase anxiety

\- Mined reviews to extract the top risk signals

\- Launched 18 experiments across PDP, PLP, cart, and checkout

\- Prioritized by revenue exposure, not opinion

\- Fed every result back into the next sprint

The results:

+€2.56M additional revenue in 6 months

+10% session conversion rate

+7% total revenue lift

First 3 tests alone generated +€300K

𝗜𝗳 𝘆𝗼𝘂 𝘄𝗮𝗻𝘁 𝘁𝗵𝗲 𝗳𝘂𝗹𝗹 𝗯𝗿𝗲𝗮𝗸𝗱𝗼𝘄𝗻:

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The CRO agency behind 250+ of the world's leading online businesses

Whether high-growth startups or global leaders in e-commerce, travel, insurance, or retail, we consistently drive measurable revenue increases.

Strauss
Koro
Sunday Natural
The Body Shop
Grover
Hello Fresh
Natural Elements
AG1
Bluebrixx
Woom
Hornbach
Tourlane
Congstar
Holy
Junglück
PV
Wunschgutschein
Motel A Mino
Mofakult
Bruna
Buah
Waterdrop
Purelei
Giesswein
Schiesser
Livefresh
Blackroll
The Female Company
Ryzon
1 Kom Ma 5
Kickz
Horizn Studios
Seeberger
Luca Faloni
Priwatt
T1tan
Snocks
Plantura
NatureHeart
Zahnheld
Jumbo
Ironmaxx
NKM
Oceansapart
Omhu
Send a Friend
Fitjeans
BGA
DRIP and Apex

Spend the same on ads.
Make more from them.

Book a call with the team and tell us about your shop. We'll talk through where it stands, where you want it to go, and how we'd get you there. If working with us isn't the best return on your money, we'd tell you rather than take it.

See if your shop is a fit

30 minutes, and you'll know exactly where your shop stands.

The Newsletter Read by Employees from Brands like

LEGONikeTeslalululemonPelotonSamsungBoseIKEA

Join 17,000+ Ecom founders turning CRO insights into revenue

Trusted by 250+ brands

  • Strauss
  • Koro
  • Sunday Natural
  • The Body Shop
  • Grover
  • Hello Fresh
  • Natural Elements
  • AG1
  • Bluebrixx
  • Woom
  • Hornbach
  • Tourlane
  • Congstar
  • Holy
  • Junglück
  • PV
  • Wunschgutschein
  • Motel A Mino
  • Ryzon
  • Kickz
  • The Female Company
  • Livefresh
  • Schiesser
  • Horizn Studios
  • Seeberger
  • Luca Faloni
  • Zahnheld
  • Snocks
  • Bruna
  • NatureHeart
  • Priwatt
  • Jumbo
  • NKM
  • Oceansapart
  • Omhu
  • Blackroll
  • 1 Kom Ma 5
  • Purelei
  • Giesswein
  • T1tan
  • Buah
  • Ironmaxx
  • Waterdrop
  • Send a Friend
  • Fitjeans
  • Mofakult
  • Plantura
  • BGA
  • Coop
DRIP / Apex

Prediction-based experimentation for online shops from €100k a month.

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