AutoCheck A free vehicle history tool for Hungarian used car buyers, built around one question: i...AutoCheck A free vehicle history tool for Hungarian used car buyers, built around one question: i...
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Noel's avatar
Noel G.
• Aug 16
AutoCheck A free vehicle history tool for Hungarian used car buyers, built around one question: is this car worth buying? No account needed to get an answer. Built as an installable PWA, because someone checking a car is standing next to it with a phone in one hand. It runs headless Chrome in a serverless function to read live car listings, then scores them against market data.
Web DevelopmentPuppeteerReactVite
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Andreas's avatar
Andreas Patinas
• Aug 16
"Breaks loudly" is the right instinct. Two things that pair well with it: cache the market snapshot instead of rescraping per request — the same listing checked 50 times shouldn't cost 50 headless Chrome runs — and dedupe by listing ID, returning the cached verdict with a...
Noel's avatar
Noel G.
• Aug 16
Caching by listing ID is obvious in hindsight and I'm slightly annoyed I'm not doing it already. The same popular listing gets checked over and over, and every one of those is currently a fresh Chrome instance.
"Checked X ago" is a better answer than a fresh scrape anyway. For a...
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