Blog

Closing a Website Mid-Load on Mobile: Data Explosion

In a previous post, I showed that websites can continue making requests well after the page has been minimized when using Chrome on Android. The examples I used were chat bots and advertisers that kept pinging their servers to send information back to the mothership. But what happens if you minimize the browser mid-page load?  … Continue reading Closing a Website Mid-Load on Mobile: Data Explosion

Using Screenshots in Production

While looking at a WebPageTest waterfalls, I often come across surprising attributes.  A few weeks back, I came across a page that had images with a familiar file naming convention: https://twitter.com/dougsillars/status/1086196363010949121 This website is using the Mac screenshot tool to create images that they are using online!   Image Optimization I've written a lot about … Continue reading Using Screenshots in Production