You change elements on your pages hoping it will work better? That is gambling, not optimization. A/B testing pits two versions of a page against real traffic and gives you a clear answer: version A or version B. No opinions, no internal debates, no intuition — statistically reliable data that proves what works. Each winning test improves your conversions permanently and cumulatively. It is compound interest applied to your business.
Without A/B testing, you are navigating blindly. Here are the mistakes you are probably making.
You change the color of a button because your designer thinks it looks nicer. You rewrite a headline because your director prefers the new version. You redo an entire page without knowing if the old one was really the problem. Every untested change is a gamble — and in most cases, you lose without even knowing it.
You have done a redesign, launched new campaigns, changed your offer, but your conversion rate remains desperately stable. You do not know which elements hold your visitors back or which ones push them to act. Without testing, every change is a shot in the dark. Your conversions plateau because you optimize without method.
Marketing wants a short headline, sales wants more details, the CEO prefers a different image. Meetings drag on endlessly, opinions clash, and ultimately it is the opinion of the highest-ranking person that wins — not what is best for your conversions. A/B testing puts an end to these debates: it is your visitors who vote.
Our approach to A/B testing is scientific. Each test is designed with a clear hypothesis, a sufficient sample size and rigorous statistical analysis.
Before testing, we analyze your heatmaps, session recordings and conversion funnels. Each test answers a precise hypothesis: if we change X, then Y will improve because Z. No random tests — every experiment is strategically planned to maximize impact.
We never declare a winner too early. Each test reaches a 95% confidence threshold before any conclusion. We calculate the required sample size upfront and wait until the data is sufficient. Your decisions rest on solid proof, not random fluctuations.
We use the ICE framework (Impact, Confidence, Ease) to prioritize your tests. High-impact, low-effort tests go first. You get a clear roadmap with upcoming tests planned, hypotheses to validate and expected gains for each experiment.
Beyond simple A/B, we run multivariate tests that test multiple combinations of elements simultaneously. Headline A + Image B + CTA C against other combinations. This advanced approach identifies the optimal combination more quickly than a series of sequential tests.
A change can improve conversions on desktop but degrade them on mobile. We segment results by device, traffic source and audience type. You get a granular view that allows you to optimize the experience for each visitor segment.
Each test is documented with the hypothesis, results, analysis and takeaways. You build a knowledge base of what works for your audience. These learnings accelerate future tests and prevent repeating the same mistakes.
A scientific method applied to your conversions. Each step is structured to maximize the impact of every test.
We analyze your data: heatmaps, user journeys, conversion funnels. We identify friction points and formulate testable hypotheses ranked by potential impact.
Week 1We create the alternative versions to test: new headline, new CTA, new layout, new form. Each variant is designed to answer the formulated hypothesis.
Week 2We launch the test with a 50/50 traffic split. We monitor results in real time and wait to reach statistical significance before any conclusion.
Week 2-4The winning version is deployed to 100% of traffic. We document the learnings and launch the next test. It is a continuous improvement cycle that advances your conversions month after month.
OngoingTests completed
Winning test rate
Average gain per test
Statistical confidence
+34%
Test of the main headline and CTA on the flagship product page. The variant with a benefit-oriented headline outperformed the original by 34% in conversions.
+58%
Registration form test: the version with 3 fields instead of 7 increased sign-ups by 58% without degrading lead quality.
x2.1
Series of 8 tests on the booking funnel. Conversions multiplied by 2.1 thanks to the cumulative optimization of each step in the journey.
Request your free CRO audit. We identify the first tests to launch to boost your conversions quickly.
Click on your city to discover our local services.
France
location_onFrance
location_onFrance
location_onBelgium
location_onCanada
location_onBenin
location_onMorocco
location_onSenegal
location_onIvory Coast
location_onTunisia