Author Mathias Biilmann Christensen

October 27, 2016 — There was obviously a lot of confusion about how HTTP Public Key Pinning (HPKP) worked. In the middle of the incredibly hectic process of running a major conference, it’s the last kind of issue anybody wants to have to deal with. In today’s article, I’d like to explain how to issue a new certificate that uses the keys of the old expired SSL certificate. Read more…

October 26, 2016 —

Between October 21st and 25th, Smashing Magazine became completely unavailable for a majority of visitors. Visiting Smashing Magazine would give most returning visitors with a modern browser a security warning message like this:

Some people would get a slightly different screen because of Smashing Magazine’s Service Worker kicking in, and showing a placeholder “You’re Offline” message, but the underlying cause was the same: HTTP Public Key Pinning.

November 16, 2015 — Static site generators are quickly becoming a big part of the professional website builder’s toolbox. A new static website generator seems to pop up every week. Figuring out which one to use can be like a walk in the jungle. Read more…

November 2, 2015 — At StaticGen, our open-source directory of static website generators, we’ve kept track of more than a hundred generators for more than a year now, and we’ve seen both the volume and popularity of these projects take off incredibly on GitHub during that time, going from just 50 to more than 100 generators and a total of more than 100,000 stars for static website generator repositories. Influential design-focused companies such as Nest and MailChimp now use static website generators for their primary websites. Vox Media has built a whole publishing system around Middleman. Carrot, a large New York agency and part of the Vice empire, builds websites for some of the world’s largest brands with its own open-source generator, Roots. And several of Google’s properties, such as “A Year In Search” and Web Fundamentals, are static. Read more…