It is often difficult to choose the correct indicators to use when we have to decide on how to measure the efficiency of a SEO (Search Engine Optimisation) mission, or when we want to know where our website stands, also when we want to trace the effects of any modifications that we make to it.  It is clear though that some indicators are totally useless and can even be misleading.  Let’s take a hard look at some of these devils: « Public » Metrics What I call a Public metric is an indicator given by an external tool and which can be […]

I am involved in this new conference so here is the call for papers… The management of large-scale complex industrial systems has a considerable strategic importance for an important number of enterprises (most notably in Europe and North America). This spawned the relatively new academic field of « system architecture & engineering », producing a body of research that allows engineers to manage the increasing complexity of the technical systems they design. By its very nature, this field is at the interface between industry and academia, and requires its practitioners to be well versed in industrial application-related as well as theoretical knowledge. […]

When a website editor wants to make money from online advertising he can choose from several operational modes: the CPM, the CPC or a fixed contract.  This choice is also a problem for the advertiser, which method would be best?  Should he pay for each prospective customer interested in his ad or should he pay for every hit?  Although these are frequent questions, the answers are never too difficult to find. Firstly, Let me introduce some vocabulary: CPC: Cost per click, this is the adsense advertising model. Every time a user clicks on an ad, the advertiser pays the editor. […]

A nice infographic from http://www.visualeconomics.com, the original is here. Pay attention to the fact that reading is the smallest item in the list!