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Retiring Internet Explorer

Prelude In late 2004, I was the Program Manager for Microsoft’s clipart website, delivering a million pieces of clipart to Microsoft Office customers every day. It was great fun. But there was a problem– our “Clip of the Day” feature, meant to spotlight a new and topical piece of clipart every day, wasn’t changing asContinue reading “Retiring Internet Explorer”

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”

AppOrWeb-to-WebApp Communication: Custom Scheme Handlers

I’ve previously written about Web-to-App communication via Application Protocols. App Protocols allow web content to invoke a native application outside of the browser. WebApp advocates (like me!) want to continue to close the native/browser gaps that prevent web applications from becoming full-fledged replacements for native apps. To that end, I’ve recently spent some time lookingContinue reading “AppOrWeb-to-WebApp Communication: Custom Scheme Handlers”