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📰 Dev.to · OPTTOYSCHINA

4 articles · Updated every 3 hours · View all reads

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Delivery dates are a data problem: 62 lanes, 385k SKUs and a calendar that zeroes production
Dev.to · OPTTOYSCHINA 4d ago
Delivery dates are a data problem: 62 lanes, 385k SKUs and a calendar that zeroes production
We run a wholesale catalogue of 385,315 listings from 5,233 Chinese factories, and we ship to 62...
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Stale-while-revalidate on the edge: how our marketplace killed the cold start (and kept geo-currency)
Dev.to · OPTTOYSCHINA 🏗️ Systems Design & Architecture ⚡ AI Lesson 2mo ago
Stale-while-revalidate on the edge: how our marketplace killed the cold start (and kept geo-currency)
"Cold start" is not a law of nature. It's a caching strategy you haven't finished. Here's how our SSR...
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From 9,663 ms to 18 ms: sorting a 389k-product catalog in Postgres (no magic, three steps)
Dev.to · OPTTOYSCHINA 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
From 9,663 ms to 18 ms: sorting a 389k-product catalog in Postgres (no magic, three steps)
Sorting a catalog by price took 9,663 ms. Same database, same hardware, three boring steps later: 18...
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Alibaba scores 51 on PageSpeed. Our full 389,000-product marketplace scores 93. The dirty secret is m-dot sites
Dev.to · OPTTOYSCHINA 📣 Digital Marketing & Growth ⚡ AI Lesson 2mo ago
Alibaba scores 51 on PageSpeed. Our full 389,000-product marketplace scores 93. The dirty secret is m-dot sites
Every number below links to a permanent Google PageSpeed Insights report — click and verify. Every...
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