web performance optimization *.avif *.webp images css background usage progressive enhanced with image-set Part 3 of my new image formats as background-image journey (part 1, part 2). Avif and webp images bring a positive impact on every webpage's payload performance. Today (March 16 2021) avif works
web performance optimization avif and webp images as css background images UPDATE: I was late at the image-set party, please read this blog post, how to support avif and webp images in your project.Safari is late at the webp party, whilst Firefox and
gdpr follow up: wordpress webfont delivery via own domain Yesterday (I started the draft of this post on may 13 2018, 12 days before GDPR got applicable in the EU) I wrote about how to deliver webfonts from your domain and noticed,
frontend css dark-mode/light-mode - rethought So, you read my last blog entry about "CSS, Dark-Mode and Custom Properties" and start to build for every website a light and a dark theme, to support your visitors. That's nice -
frontend CSS, Dark-Mode and Custom Properties The other day, I was reading about "dark mode" and about the prefers color scheme media query, and... how cool is that? Often a customer requirement is to support the IE 11 and
frontend platform webfont Thanks to "cssweekly" and their link to "30 Seconds of CSS" - I saved very much research myself. I do not like webfonts very much. I like eBay's Font
javascript mobile optimised html5 background video handler In April 2016 I was developing a website with heavy use of background videos. There were many sections, all with their own full-screen background video starting playback on viewport visibility and stopping it