Investigate cache backends (possibly redis)

[rmader]

Wagtail recommends to use redis for caching purposes. It supports various caching mechanisms like caching parts of views, sessions etc. It looks like by enabling redis, we can heavily speed up our sites without much effort.

Related links:

• http://niwinz.github.io/django-redis/latest/
• http://django-redis-cache.readthedocs.io/en/latest/intro_quick_start.html
• https://www.revsys.com/blog/2015/may/06/django-performance-simple-things/
• http://docs.wagtail.io/en/latest/advanced_topics/performance.html
• http://michal.karzynski.pl/blog/2013/07/14/using-redis-as-django-session-store-and-cache-backend/