The Web Platform offers a great deal of power, and unfortunately evil websites go to great lengths to abuse it. One of the weakest (but simplest to implement) protections against such abuse is to block actions that were not preceded by a “User Gesture.” Such gestures (sometimes more precisely called User Activations) include a varietyContinue reading “Browser Basics: User Gestures”
Category Archives: tech
A bit of GREASE keeps the web moving
For the first few years of the web, developers pretty much coded whatever they thought was cool and shipped it. Specifications, if written at all, were an afterthought. Then, for the next two decades, spec authors drafted increasingly elaborate specifications with optional features and extensibility points meant to be used to enable future work. Unfortunately,Continue reading “A bit of GREASE keeps the web moving”
META CHARSET
Someone complained that a Japanese page is garbled in Edge/Chrome, but renders with the correct characters in Firefox and IE: The problem is that Chromium is using an unexpected character set to interpret the response in the HTML Parser. That happens because the server doesn’t send a proper character set directive. To avoid problems likeContinue reading “META CHARSET”
Client Certificate Authentication
While most HTTPS sites only authenticate the server (using a certificate sent by the website), HTTPS also supports a mutual authentication mode, whereby the client supplies a certificate that authenticates the visiting user’s identity. Such a certificate might be stored on a SmartCard, or used as a part of an OS identity feature like WindowsContinue reading “Client Certificate Authentication”
Analyzing Network Traffic Logs (NetLog json)
Previously, I’ve described how to capture a network traffic log from Microsoft Edge, Google Chrome, and applications based on Chromium or Electron. In this post, I aim to catalog some guidance for looking at these logs to help find the root cause of captured problems and otherwise make sense of the data collected. Last Update:Continue reading “Analyzing Network Traffic Logs (NetLog json)”
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