This article in the series of articles about featured images deals with the technical implementation and shows the functions required to implement and display featured images in the WordPress theme.
In this post with an admittedly bulky title I would like to give an insight into the automatic conversion of images into the defined image sizes, which takes place in WordPress. To put it more simply: What actually happens in the background when you upload an image to the WordPress media library?
In the second post of my article series about featured images, I would like to briefly explain how you can add and remove WordPress featured images. Most of you will already be familiar with the topic, but for the sake of completeness this article should not be missing from the series.
In this multi-part article series, I want to cover everything you need to know about WordPress featured images. The series is intended as a beginner's guide to featured images, but should also have one or two tips for advanced WordPress users.