web performance optimization gracefully deprecating your legacy codebase You're running a legacy codebase, supporting browser from 2013 and you want to avoid that your users are unable to use your service with your next release or you want to enrich your user experience with a new feature, but not writing more legacy code and not ship more polyfills.
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 - and then you like your light theme more than the dark theme and your mobile phone switches
