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This week, there was a revelation that the Zoom teleconferencing software runs a localhost server on customer's machines - and this localhost serve can be used to maliciously add your machine to conference calls (with the video active) by malicious websites. About 2 years ago, I looked into how may websites make requests to localhost … Continue reading Using LocalHost in Production

When prepping images for publishing on the web, it is common to look for shortcuts that might speed things up.  And since images generally make up 40-80% of the tonnage on a website, incorrectly prepping image can have a very heavy performance cost, A few months back, I blogged about using screen shots in production (a … Continue reading Image Processing Shortcuts using AI and ML: Part 1

Last week, there was a thread about how Chrome now has a default favicon (the little icons on each tab in the browser.) https://twitter.com/rem/status/1123210678679085058 I chimed in with some stats on how Favicons are used (from the HTTP Archive).  There is enough information to make it a post, so here goes 🙂 Every page has … Continue reading Favicons: Perhaps the Least Understood Web Feature

The folks at Heart Internet asked me to write a few posts on how video playback on the web works.   In January, I published Video Killed My Data Plan, a primer on how to best incorporate video into your website.   in April, we published Best Practices for optimising video streams on the web. Both … Continue reading Video Blogs at Heart Internet

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