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Augmented Reality and Virtual Reality (AR/VR) are cool technologies that are coming more and more mainstream.  While today they may be primarily in games, and some require fancy headsets like Oculus, there are technologies that are bringing AR/VR into the mainstream.  For example, A-Frame is a web framework that allows you to bring VR experiences … Continue reading glTF: An Image Format for AR/VR

I wrote a post for the 2018 Performance Advent Calendar. In my ongoing goal to keep everything in one place, here is a link to the article:  https://calendar.perfplanet.com/2018/performance-anti-patterns-base64-encoding/

I blog a lot about data that I find in the HTTP Archive, and how I apply that data to improve websites.  One interesting thing that I continuously come across in the data are files with names like "optimized.jpg" or "/images/optimized/small.jpg" and then when I look at the images, they are not optimized for delivery … Continue reading Optimized For Performance

One of the main culprits for slowly loading pages is the presence of redirects.  The site tells the browser the content has moved, and a second request ash to be made for the content to actually be downloaded. A few years ago, I attempted to create a query to discover the webpage in the HTTP … Continue reading Too Many Redirects on Load Time

Redirects When a server redirects a request - the browser has to make a second request for the file, adding (at least) one additional round trip, and delaying the delivery of the content to the end user. As I was sitting around one day, I wondered ‘what is the maximum number of redirects on a … Continue reading Redirects, and their Effect on Performance or How a (Seemingly Minor) Third Party Change Affected the Website Performance of a Popular JavaScript Bundler