I do not know what you background is, but server side coding, to me, is a lot easier than the frontend one. No need to accomodate a lot of different browsers and no interaction with users (you get all the data you need to elaborate along with the request).
It is a different matter if you intended to learn to use a web framework. Everyone has a somewhat unique vision on how a request should be served and on how to interact with other backend components and servers. Key concepts are quite same but implemented differently.
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I do not know what you background is, but server side coding, to me, is a lot easier than the frontend one. No need to accomodate a lot of different browsers and no interaction with users (you get all the data you need to elaborate along with the request).
It is a different matter if you intended to learn to use a web framework. Everyone has a somewhat unique vision on how a request should be served and on how to interact with other backend components and servers. Key concepts are quite same but implemented differently.