John's Blog

Hello, I’m John Papandriopoulos, an Entrepreneur and Engineer. Everyone calls me jpap, and so can you.

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Canonical URL redirects for static sites

April 21, 2017

A canonical URL gives your website visitors consistency for bookmarks and copied links. Hosting your site on a static host like GitHub or GitLab Pages does not mean you are without redirects to a canonical URL, despite these hosts lacking server-side redirects. This post shows you how you can do it client-side with JavaScript.

Responsive background images with JavaScript

April 17, 2017

In this post, we develop a JavaScript technique to position and scale a background image so that the subject matter is optimally placed at a target area of the browser viewport, no matter the device orientation or window size.