Comparison of Landing Page Optimization Methods

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Optimization Method Summary

Method	A-B Split Testing	Parametric Multivariate	Non-parametric Tuning
Typical Size of Test *	1-10 Recipes	10-100 Recipes	1,000,000+ Recipes
Minimum Traffic Levels Required	Low (10+ conversions/day)	Medium (50+ conversions/day)	High (100+ conversions/day)
Variable Interactions	No	Not typically (or low-level only)	Yes
Knowledge of Testing & Statistics Required	A little	A lot	None (fully automated

* A "Recipe" is a unique version of the site being tested. The number of unique versions depends on the number of individual site elements being tested ("variables") and the number of possible alternatives for each variable ("values" or "factors"). The number of recipes in a test can range from two to tens of millions.

Our Tools

Google Website Optimizer Authorized Consultants

Google Website Optimizer
for smaller A-B Split
and Multivariate tests.

SiteTuners Tuning Engine

Our proprietary non-parametric
TuningEngine
for large-scale tests.