Should you do A/A, A/A/B or A/A/B/B tests in CRO?

This question pops up often in more “advanced” discussion forums and blogs on Conversion Optimization and usually one (or several) of the following advices are given: Do an A/A test first in order to test your split testing framework. If the difference between the two is statistically significant at the decided level, then your framework is […] Read More…

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Google Panda Recovery & How to Spot Panda Penalties

This is going to be a quick post about the Google Panda algorithm update. The latest version of the algorithm (4.0) has just rolled out and  reports of penalties and recoveries are all over the internet. I present what a recovery looks like through our Google Algorithm Update Checker tool and I speculate a bit […] Read More…

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Why Every Internet Marketer Should Be a Statistician

I’ll start this post right with the punch line: Internet marketing at its current state is dominated by voodoo magic. There, I’ve said it, and I’ve said it in bold italic so you know it must be true. Internet marketing is not as data-driven as most of us have been led to believe, it is […] Read More…

Posted in A/B Testing, Conversion Optimization, Internet Marketing, Multiple Variations Testing, Statistical Significance, Statistics | Tagged , , , , , , , | 13 Responses

Segmenting Data for Web Analytics – The Simpson’s Paradox

The Simpsons Paradox is an interesting issue for everyone dealing with data analysis, including web analytics specialists who deal with data in internet marketing. No matter which field you are in: conversion optimization, search engine optimization, search engine marketing or other, this paradox can give you an interesting insight. The paradox is about proper test design […] Read More…

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Analytics-Toolkit.com Official Launch – Today!

I am happy to announce the official launch of Analytics-Toolkit.com – the toolkit that makes analytics easier. I’m excited to present the results of over 2 years of development because I believe many web analytics specialists, SEO/SEM specialists, and internet marketers will find the tools in the toolkit valuable in their daily work. Most of […] Read More…

Posted in A/B Testing, Analytics-Toolkit.com, Conversion Optimization, Google AdWords, Google Algorithm Updates, Google Analytics, Google Analytics API, SEO, Statistics | Tagged , , | Leave a comment

Analytics-Toolkit.com Almost Ready

After over 2 years of development, Analytics-Toolkit.com is almost ready for prime time. I’m really excited about what’s to come both in terms of Analytics Toolkit improving the way people use the Google Analytics platform and in terms of the blog posts that I’ll do here. Well, I have to get back to working on […] Read More…

Posted in A/B Testing, Analytics-Toolkit.com, Conversion Optimization, Google AdWords, Google Algorithm Updates, Google Analytics, Google Analytics API, SEO, Statistics | Leave a comment