Ok, enough about the Magento Ecosystem, let's start the new year by start digging into Magento itself! Again, the course is not meant to make you a Magento programmer, but you will find it useful when you're able to play with Magento yourself to try things out.
In order to do so you will need your own Magento installation before preceding to the following lessons. If you have a webhost that provides automated installation of Magento you can skip this lesson, if not, here's what you need to do:
Recently I've seen some (often absolute) statements going around, generally in the line of "open source commerce platforms are a terrible idea". Now of course different solutions always have different pros and cons.
A hierarchy of evidence (or levels of evidence) is a heuristic used to rank the relative strength of results obtained from scientific research. I've created a version of this chart/pyramid applied to CRO which you can see below. It contains the options we have as optimizers and tools and methods we often use to gather data.