Calculadora de Significancia de Test A/B — Herramienta online gratis
¿Tu test A/B es estadísticamente significativo?
Calcula significancia estadística de tests A/B. Valor p, intervalos de confianza, tamaño de muestra necesario. Para marketing y producto.
🅰️ Control (A)
🅱️ Variant (B)
📚 Saber más
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?
Puntos clave
- A/B Test Significance Calculadora is a free, browser-based calculator tool — is your a/b test result statistically significant?.
- No signup, no downloads, no file uploads. Herramientas 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 Calculadora
- Open the tool: Launch A/B Test Significance Calculadora on Herramientaolis — 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 Calculadora — Quick Facts
- Precio
- Gratis — sin límites, sin marcas de agua, sin paywall
- Privacidad
- Se procesa en tu navegador. Las herramientas que necesitan un servicio externo lo indican en la página. Se cuentan las visitas (Google Analytics).
- Plataforma
- Cualquier navegador moderno — escritorio, tablet o móvil
- Categoría
- Calculadora Herramientas on Herramientaolis
- Sin conexión
- Works offline after first visit (Progressive Web App)
| Característica | Detalles |
|---|---|
| Herramienta | A/B Test Significance Calculadora |
| Categoría | Calculadora |
| Requiere registro | No |
| Subida de archivo | Ninguno — procesado en el navegador |
| Compatible con móvil | Totalmente adaptable |
| Coste | Gratis para siempre |
Why Use A/B Test Significance Calculadora?
You should try A/B Test Significance Calculadora 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.