Calculateur de Significativité A/B Test — Outil en ligne gratuit
Ton test A/B est-il statistiquement significatif ?
Calcule la significativité statistique de tes tests A/B. P-value, intervalles de confiance, taille d'échantillon requise. Pour marketeurs.
🅰️ Control (A)
🅱️ Variant (B)
📚 En savoir plus
Free A/B test significance calculator — z-test for conversions
Calculate if your A/B test result is statistically significant. Two-proportion z-test with pooled variance. See p-value, confidence intervals, and clear verdict.
How to use this tool
- 1
Enter visitors + conversions
For both control (A) and variant (B): how many visitors and how many converted.
- 2
Check significance
See conversion rates, uplift %, p-value, confidence interval, statistical significance.
- 3
Interpret result
p < 0.05 = statistically significant. 95%+ confidence means the result isn't random noise.
Interpretation guide
- p < 0.01: very strong evidence against null (99%+ confidence)
- p < 0.05: standard "significant" threshold (95% confidence)
- p < 0.10: weak evidence — don\'t call it significant
- p ≥ 0.10: no significant difference detected
Frequently Asked Questions
What is statistical significance?
What sample size do I need?
What if my test is "not significant"?
Z-test vs t-test vs chi-square?
What's confidence interval?
À retenir
- A/B Test Significance Calculateur is a free, browser-based calculator tool — is your a/b test result statistically significant?.
- Non signup, no downloads, no file uploads. Outils run in your browser; the few that need an outside service say so on the page.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use A/B Test Significance Calculateur
- Open the tool: Launch A/B Test Significance Calculateur on Outilolis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
A/B Test Significance Calculateur — Quick Facts
- Prix
- Gratuit — sans limites, sans filigrane, sans paywall
- Confidentialité
- Traité dans votre navigateur. Les outils qui ont besoin d’un service externe l’indiquent sur la page. Les visites sont comptabilisées (Google Analytics).
- Plateforme
- Tout navigateur moderne — desktop, tablette ou mobile
- Catégorie
- Calculateur Outils on Outilolis
- Hors ligne
- Works offline after first visit (Progressive Web App)
| Caractéristique | Détails |
|---|---|
| Outil | A/B Test Significance Calculateur |
| Catégorie | Calculateur |
| Inscription requise | Non |
| Téléversement de fichier | Aucun — traité dans le navigateur |
| Compatible mobile | Entièrement adaptatif |
| Coût | Gratuit pour toujours |
Why Use A/B Test Significance Calculateur?
You should try A/B Test Significance Calculateur for a quick, private way to is your a/b test result statistically significant?. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.