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Sample Size Calculator for A/B Tests (client-side, no dependencies)

Sample Size Calculator for A/B Tests (client-side, no dependencies)

by dj-trondheim·Mar 6, 2026·1 point·0 comments

AI Analysis

Mid

A/B test calculator, but this already exists in Optimizely, VWO, and dozens of free tools.

Strengths
  • Zero dependencies and no signup makes it frictionless to load and use once
  • Explains the underlying statistical formula (two-tailed z-test) alongside the calculator
  • Client-side computation means no data transmission or tracking concerns
Weaknesses
  • No differentiation: Optimizely, VWO, and 50+ free calculators do this identically
  • Single-page utility with no chaining, no novel approach, no reason to bookmark
Category
Target Audience

Marketers, product managers, data analysts planning A/B tests

Similar To

Optimizely Sample Size Calculator · VWO Calculator · Evan Miller's A/B Test Calculator

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