Raoul Kramer - Web Application Developer
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css

A collection of 6 posts

web performance optimization

avif and webp images as css background images

Safari is late at the webp party, whilst Firefox and chromium-based browsers heading to the avif party. This means I need to extend my webp feature detection script to look for avif support

  • Raoul Kramer
    Raoul Kramer
3 min read
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,

  • Raoul Kramer
    Raoul Kramer
6 min read
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 -

  • Raoul Kramer
    Raoul Kramer
5 min read
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

  • Raoul Kramer
    Raoul Kramer
2 min read
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

  • Raoul Kramer
    Raoul Kramer
1 min read
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

  • Raoul Kramer
    Raoul Kramer
2 min read
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