Debugging

Articles about Debugging by Sebastian Bergmann

The illustration shows a programmer in a dark office in front of a laptop. Like an investigator, he searches for clues on a pinboard full of photos, notes and red threads – an emotional introduction that picks up on the familiar feeling of bug hunting. The accompanying text explains how to design software so that debugging does not have to feel like criminal investigation work.

June 3, 2026

Debugging as a design goal

Why do some bugs feel like a short detective story, while others feel like a never-ending thriller? I show you which decisions make your software debuggable.

A glowing magnifying glass over a bug symbol, held by a hand, against a dark background of binary code and geometric patterns. A visual metaphor for the disciplined investigation of performance problems.

April 23, 2026

Debugging Performance in PHP

"It feels slow" is not a diagnosis. I explain the three disciplines that turn vague complaints into actionable data: tracing, profiling, and benchmarking.

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