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App-to-Web Communication: Launching Web Apps

In recent posts, I’ve explored mechanisms to communicate from web content to local (native) apps, and I explained how web apps can use the HTML5 registerProtocolHandler API to allow launching them from either local apps or other websites. In today’s post, we’ll explore how local apps can launch web apps in the browser. It’s Simple…Continue reading “App-to-Web Communication: Launching Web Apps”

My New Chromium Build PC

While I do most of my work in an office, from time to time I work on code changes to Chromium at home. With the recent deprecation of Jumbo Builds, building the browser on my cheap 2016-era Dell XPS 8900 (i7-6700K) went from unpleasant to impractical. While I pondered buying a high-end Threadripper, I couldn’tContinue reading “My New Chromium Build PC”

Capture Network Logs (NetLog) from Edge and Chrome (and Electron and WebView2)

Problems in accessing websites can often be found and fixed if the network traffic between the browser and the website is captured as the problem occurs and the resulting log file is shared with engineers. This short post explains how to capture such log files. Capturing Network Traffic Logs If someone asked you to readContinue reading “Capture Network Logs (NetLog) from Edge and Chrome (and Electron and WebView2)”

WebOCs and HTTP/2

If you’ve built an application using the old Web Browser Control (mshtml, aka Internet Explorer), you might notice that by default it does not support HTTP/2. For instance, a trivial WebOC host loading Akamai’s HTTP2 test page: When your program is running on any build of Windows 10, you can set a Feature Control KeyContinue reading “WebOCs and HTTP/2”

The Pitfalls of EventSource over HTTP/1.1

While there are many different ways for servers to stream data to clients, the Server-sent Events / EventSource Interface is one of the simplest. Your code simply creates an EventSource and then subscribes to its onmessage callback: Implementing the server side is almost as simple: your handler just prefaces each piece of data it wantsContinue reading “The Pitfalls of EventSource over HTTP/1.1”