Here are the slides from various presentations I've given. Unfortunately, I never kept the slides from some presentations, but most of the important ones are here.
The topic “Let’s talk about caching problems and solutions!” popped up as the topic for the Backend Web Berlin meetup group.
BirdCamp I – Seitengeschwindigkeit. Friday March 20th 2015. Download PDF | Download PPTX
I gave a presentation at WordCamp Norway 2015 titled “Speed is key. How and why to use caching on your website.”
I gave a presentation at WordCamp Norway 2014 titled “Security. It’s not paranoia when they’re actually out to get you!”.
I gave many presentations at the WordPress Oslo meetups, but didn’t prepare slides for most of them apart from this one in 2013, titled “Embedding Facebook”.
I gave a presentation at WordCamp Transylvania 2013 titled “Decisions, not options”. The conference was in Cluj-Napoca, Romania.
Arnstein Larsen and myself co-presented a talk titled “Metronet Plugins. Why we make them and why you should too” at WordCamp Edinburgh 2012.
I presented a talk at WordCamp Lisboa 2012, titled “Tortoise vs the hare. High performance WordPress hosting on the cheap”.
I presented a talk at WordCamp Norway 2012 in Oslo. I moved to Oslo only a week before the presentation. The presentation was titled “WP Paintbrush. WordPress for those who hate writing code”.
I gave a presentation at WordCamp New Zealand 2009 in Wellington city, titled “Code without Coding”.