This article explains “server-side vs. client side” in WordPress development. This distinction, and how the server side and client side interact, is at the core of not only WordPress development, but of any real understanding of how the web works.

This article explains how to use WordPress’s HTTP API, a set of PHP functions from within WordPress’s function library, to make remote HTTP requests to external resources, such as JSON REST APIs.

Sometimes things come in waves. This week, I had to deal with two sites that had both http:// and https:// versions sitting side-by-side. In other words, typing in https://site.com reveals a working SSL certificate, but just typing in site.com takes you to http://site.com, which is still just sitting there, parallel to the identical SSL version, but without SSL protection of any kind.

Today’s article is on an advanced topic in WordPress development, and is by a distinguished guest and a truly outstanding WordPress developer and educator: Carl Alexander.