Awesome content on the web, in random order.
This guide will help you prepare DEM data using QGIS in order to render 3D looking shaded-relief maps in Blender.
In this article Francesco Schwarz is explaining how he fetches data from Garmin Connect and uses it to display runs on his website.
A brilliant post by Max Böck on how to get incoming and outgoing Webmentions for example via Bridgy and webmention.io and how to handle and filter the data to be able to finally implement webmentions on your website.
Sam Larsen-Disney published an super interesting article about how he's is displaying stats like real time visitors, pageviews, theme toggles etc. and put that in some awsome UX where i also took some inspiration from.