Horizontally scaling PHP applications

One of the most common worries of the enterprise IT world about WordPress and other Open Source apps it’s how you can scale it — which it’s kind of ironic when their enterprise-y web services response times are usually measured in the scale of tens of seconds…

DigitalOcean has published a high-level practical-overview on horizontally scaling PHP apps that’s a good starting point and I guess it could also apply to other kinds of apps as well.