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Archive | Data

Sample Pollution: The A/B Testing Problem No One is Talking About

Here’s an uncomfortable truth about conversion rate optimization: lots of people are running bad tests without even knowing it. They’re making decisions based on false positives, they’re acting on inconsistent data, they’re avoiding the issue of sample pollution – I could go on. “If you don’t know about sample pollution, stop testing.” The first step […]

Why Sampling Your Analytics Data is Bad

It’s long been the case that the costs associated with using high-quality analytics services force companies into tradeoffs of picking which events or users to track, with sampled data being the most common fate that people resign to. Unfortunately, sampling can be very harmful, leading to a slew of problems including inaccurate test results and a […]

Conversion Optimization Tips For Low Traffic Sites

At its core conversion optimization is the idea of testing out different versions of your pages, different copy, different visuals, etc. to make the pages get as much conversion as possible. “I have too little traffic to test; hence, I can’t do conversion optimization.” However, to conduct a scientific test, you need enough visitors to […]

How digital marketing can transform business

Marketing operations is certainly not the sexiest part of marketing, but it is becoming the most important one. With businesses unable to keep pace with evolving consumer behavior and the marketing landscape, the pressure is on to put marketing operations—skilled people, efficient processes, and supportive technology—in a position to enable brands to not just connect […]

How Long to Run A/B Tests: the Known and Unknown

Although split testing has become an essential part of any sound digital strategy, many people have misconceptions about the process — especially the amount of time needed to get results.  When relying solely on anecdotes from others, one can easily over- or under-estimate the time needed to reach a statistically sound conclusion. In this post, […]