In previous posts on video streaming, I’ve looked at how video adaptive streaming works and some of the performance impacts on video on the mobile web. In this post, I’d like to combine these two ideas by looking at how websites are streaming video, and see if websites are following the best practices I have proposed. … Continue reading Mobile Web and Video Streaming: What trends do we see?
As more and more customers use high bandwidth networks, video has become the norm on the web. Streaming movies, YouTube, and Facebook Live now all stream right onto your phone. Video is shown to enhance engagement, so we should not expect that the growth of video will abate. To better understand how video is … Continue reading Video on the Mobile Web: A Performance Study
In recent posts, I have broken down how HLS video streaming works, and how the player can adapt the bitrates to ensure a great player experience. In this post, we'll walk through an example of a video (or three) that must quickly adaapt to the available network conditions. While I was testing a site with … Continue reading Video preload=auto and adaptive bitrate
It is pretty well regarded in the Web performance community that compressing text files (with algorithms like Gzip or Brotli) ensures that they download faster. Gzip (in general) compresses text files 5-8x smaller, and Brotli's compression is (generally) better than Gzip. WebpageTest grades your website's use of text compression at the top of every report: If … Continue reading Text Compression Really Works To Speed Your App!
The HTTPArchive is a great tool for learning about what makes the web tick. Every 2 weeks, the top 1M sites are tested on Chrome and on Android with WebPageTest, and the results are opensource and easily searchable with Google BigQuery. My role at AT&T on Video Optimizer has me studying how video is transported … Continue reading HTTPArchive and Requests to Localhost