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Campaigns
Free UTM Builder
Build clean, consistent UTM tracking links in seconds. Tag campaign source, medium, and name correctly so every visit shows up in the right report.
TestingA/B Test Significance Calculator
Check whether your A/B test result is statistically significant. Enter visitors and conversions for both variants and get the p-value, uplift, and a plain verdict.
TestingA/B Test Sample Size Calculator
Work out how many visitors each variant needs before you start an A/B test, based on your baseline conversion rate and the smallest uplift you care about.
MetricsBounce Rate Calculator
Calculate your bounce rate and engagement rate from sessions and single-page visits, and see how your number compares to typical ranges by site type.