When we speak of “third party” content on the web, we mean it to be content created and controlled by a third party. There has been a lot written on how third parties affect performance: here is Harry Roberts’ talks on the subject. Recently, Patrick Hulce did an incredible analysis on which 3rd party scripts … Continue reading 4th Parties: Uninvited Guests to Your Site
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Every few months, I like to take a deep dive into the HTTP Archive to understand how the web is using various technologies. In 2018, I wrote about Images, video and Base64 encoding. In today's post, I want to take a look at how the web is using Animated GIFs. (and thats a hard G in GIF, … Continue reading State of the Web: Animated GIFs
This past weekend, I was poking around in the HTTP Archive, and I found a site with a 314 MB video that autoplays. Now, there is a bug in Chromium where videos larger than 100 MB skip the cache - and I left the page open for a long time - so devTools told me the … Continue reading Mobile Warning for Large Websites
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/
