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David Ang
David Ang

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Performance Monitoring with Lighthouse and Kiro.dev

Let’s make the internet fast for everyone. With AI editors everywhere helping us to write code, it feels like the right time to put a bit more care and that extra effort into how our sites and apps perform.

I've built PerfMon-a Lighthouse powered tool that provides performance audits on any URL, track your history locally with IndexedDB, and get instant feedback with mobile/desktop emulation.

When you're like me and don't check every line the AI writes but still want to feel like the architect, you open Kiro.dev, write down what you want, and I let Kiro.dev do it's thing. Created the steering docs after—and that's actually better. The docs reflect what actually works, not what you think might work.

As Kiroween wrapped up, I had more ideas for features, so I asked Kiro to create the specs—a structured way to document requirements, design, and implementation tasks. Instead of losing track of ideas, I now have them properly written down to come back to later.

You’d argue that we can use Lighthouse from DevTools, and you’re right. But I get tired of opening it every time when all I want is to click a restart button.

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