Did your SEO change work? Upload daily clicks or sessions for the pages you changed and a control group, pick the change date, and get the lift with a 95% interval, a counterfactual from the control pages, difference-in-differences, placebo checks and a plain-English verdict. Free, runs in your browser, nothing uploaded.

seo-split-test.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Created2026-10-31

Updated2026-11-02

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.