miniblog.

Jan 8, 2019 at 09:37

In addition to common things like UI elements, Netflix even A/B tests site performance aspects to see how they affect user behaviour!

Just a moment...

Mar 18, 2026 at 23:49

I'm experimenting with imitating window UI elements when showing code snippets on my website. What do you think? Do the familiar dots of the title bar help, or is it just confusing decoration? First image is the current style, the second image has the window UI.

May 10, 2025 at 13:44

The "line of death", where the browser UI splits between trusted UI elements and UI controlled by the website. Also argues that HTTP warnings are better than HTTPS padlocks, because there's incentive to spoof padlocks lower on the page.

The death of the line of death

The line of death, as Eric Lawrence explained in a classic blog post, is the idea that an application should separate trustworthy UI from untrusted content. The typical example is in a web browser, where untrustworthy web content appears below the browser toolbar UI. Trustworthy content provided by the web browser must appear either in the browser toolbar, or anchored to it or overlapping it. If this separation is maintained, then untrusted content can’t spoof the trustworthy browser UI to trick or attack the user.

Feb 28, 2022 at 06:20

I'm prototyping HTML output from difftastic, and I'm really excited about the initial results. I can provide full syntax highlighting with HTML (in both changed and unchanged regions), and I can have multiple levels of transparency to highlight the changed syntactic elements!

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