Testing

How to find out what breaks on a device you don't own.

How to write a reduced test case
We took a bloated page with a real layout bug, reduced it with a script and recorded Chrome, Firefox and WebKit after every step. Then we looked up where to report it.
gunlaug team · 8 Nov 2026 · 7 min
Testing for Safari on a Windows PC
Apple no longer makes Safari for Windows. We ran Playwright's WebKit build against Chrome on Windows 11 and recorded what it can tell you about Safari, and what it can't.
gunlaug team · 8 Nov 2026 · 8 min
What to test across browsers
We ran one ordinary page through three browser engines, seven window sizes and two text sizes, then ranked the checks by what they found.
gunlaug team · 8 Nov 2026 · 7 min