If you ask me 2 months ago how much hard is handle videos on internet, probably I would say that's not a trouble. Long time ago (>5 years), all websites still used Flashplayer to render videos. Behind scenes, Google and other main companies were implementing video decoders in browsers to avoid this...
I experienced some troubles upgrading my Manjaro system today. At beginning the error sounds simple, but in deep I had to do some tweakings and packages removes to get everything working again. Anyway let's see first what happened in detail.
Caching database results is a must in every mid-big project nowadays. And one of the best engines for this job is Redis. Even with a not totally implementation, it makes a huge perfomance step forward, significatly bigger in concurrent requests.
As web developer I use sometimes WordPress framework, and usually I have to setup custom post types to accomplish requirements. This is useful to non-developers create content separating common posts from portfolio, team, books or anything you could imagine.