Recording from Emerce GAUC where we talk with Simo Ahava, Ton Wesseling and Steen Rasmussen about the current state of Analytics and in particular how browser are making our work harder :). (oorspronkelijk gepubliceerd op https://www.cro.cafe/)
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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.