A/B Testing

A/B Testing 101: How to get real results from optimization

Measuring What Matters

Today, ROI is everything – especially in a slumping economy. Are your current metrics giving you the full story? Probably not. MarketingExperiments estimates that up to 75% of the data Web marketers collect are either misleading…

Conversion Increase Over 100% . . . Again

We just received confirmation of a 133% increase in conversion for a recently completed test. It's one of hundreds of positive results we’ve seen by testing “calls to action” but only the second time we’ve seen it happen “on accident”…

Landing Page Conversion

We have all probably designed a test Webpage or offer email that we expected to dramatically outperform the control and been stunned when performance is poor or the results come back inconclusive. What can you do to get significant…

Optimization Testing Tested

It’s the nightmare scenario for any analyst or executive: Making what seems to be the right decision, only to find out it was based on false data. Through online optimization testing, we try to discover which webpage or email message…

Small PPC Search Engine Test

Thank you to everyone who participated in the small ppc search engine clinic last Wednesday. Following this clinic I received several questions regarding the ways that these search engines are driving their traffic. Specifically, how the…

Don’t discount the popularity of FREE…

In a recent Wall Street Journal article, Lee Gomes describes his search through 2.27 gigabytes of search data from AOL. According to his research, the single word which appeared most frequently in searches on AOL over the period covered…

Test Validity Analysis – a free download

As you may already know, we have been busy working on a series of certification programs. The first one, which started in April – and we’ll be running it again, starting in June – is the Foundations of Online Testing course. During the…

When is an A/B Split Test valid?

In response to our teleconference clinic on headline testing yesterday we received numerous emails asking questions about how to determine the validity of test results. (The audio for the clinic is now available here. When listening to it,…

Online Testing Certification

Over the last few years Marketing Experiments has conducted thousands of tests with dozen of partner companies. We have learned a great deal, and shared much of our research data through our teleconference clinics and written briefs. But…