Good point,The thing with this client is they wanted to mitigate the risk of removing a large number of links so high quality link building was moved in early before keyword research. So it is on a case by case basis, but defiantly a good point for most new clients I work with who do not have pre-existing issues you want to do Keyword Research very early in the process. 

Referral traffic in Google Analytics can also include your social traffic or even your email visits. This is largely because there are different ways to track data and there are imperfections in the system, but it also depends on which reports you look at. For example, Acquisition> All channels> Referrals will include much of your social traffic, but the default All channels report does not include Social in your Referrals. The best solutions:
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources:
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