Christian Heilmann

Fun with browsers: how to get an image into the current page

March 20th, 2020

Having been a web developer for as long as I have can get you tainted. You always assume things to break in one way or another or some clever new web API not getting the support it needs for ages. As it turns out, the speed with which browsers adapt to standards has become increasingly […]

Quick developer tools tip: simulating dark/light colour mode

January 30th, 2020

Newer operating systems come with a dark/light mode option and also a “prefers reduced motion” mode. This also affects our products and we should test them in these modes to make sure there is no glaring problem. There is also a high contrast mode in Windows which is an accessibility feature that should be on […]

Contributor performance considerations

January 23rd, 2020

It was around 2005 when I sat at my job and didn’t like it. I was head of web development at an agency in London that covered huge web sites and government portals. The pay was great, my team was top-notch and the products interesting. What I didn’t like was that my computer was a […]

Swagged out

January 9th, 2020

I attend a lot of conferences and have done so for the last ten years or so. I just moved and had to pack and unpack a lot of things I accumulated over the years. Sifting through piles and piles of T-shirts, hoodies, stickers, connectors, leaflets, tote bags, bottle openers, phone chargers, memory sticks, lanyards […]

The seven sins of meetings with remote participants

December 17th, 2019

“Thou shalt not forget about the agenda or deviate from it” It’s a lot of work to stay up late (or early) and dial into a meeting. An agenda published at least a day before makes it worth while. If people can’t attend, they can add the info you need from them to the agenda. […]