What is the correct translation for the term 「網絡化」?
I think you can happily use 'networking' or 'networked'.
Leave 'onlinification' to google. (Reminds me of californication)
朋輩關係網絡化
peer relationship networked
The networking of peer relationships
... 阿拉伯之春的网络化特性。
... the networked nature of the Arab Spring
我们正在变成一个网络化个体的社会，
we are becoming a society of networked individuals, ...
随着世界越来越走向数字化，网络化，
As the world moves more and more towards being digital, networked, ...