Testing
This is an area to collect information, techniques, and other resources that are invaluable to understanding and running tests the best way that we know today.
Calculators
Statistical
- Sample Size Calculator by Search Discovery
- Bayesian Test Analysis by AB Test Guide
- Chi Squared Goodness of Fit (useful for checking sample mismatch)
- Simple Sequential Testing sample/threshold Calculator by Evan Miller
Website QA
- GeoPeeker: Allows you to view screenshots of any public URL from IP locations around the globe
- Accessibility Checker: Allows you to enter any public URL and received calculated feedback on site accessibility for vision impaired, etc.
