March 15, 2026 · Engineering
Mini Program Performance: Trade-offs for a One-Second First Screen
Mini programs have bundle limits and platform startup costs, so first-screen work is about trade-offs, not tricks.
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An enterprise blog · Lanzhou · since 2019
The Jiayifangyuan Journal
What we learn, written down in public
Latest posts
126 postsMarch 13, 2026 · Product Thinking
Onboarding: Make the First Use Successful
The goal is not to introduce every feature, but to get the user through one task with a real outcome.
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March 11, 2026 · Project Retrospectives
Retrospective: Two Months of Parallel Running
Running old and new systems together cost extra, and prevented a potentially fatal cutover.
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March 9, 2026 · Team and Culture
Some Bad Interview Questions
Some questions look professional but measure nothing.
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March 7, 2026 · Industry Watch
The Supply Chain Strain Behind Livestream Commerce
The excitement on camera rests on inventory, fulfilment and after-sales stress behind it.
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March 5, 2026 · Founder Notes
The One Line Nobody Reads in a Quote
'Third-party costs excluded' has saved us a surprising number of arguments.
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March 3, 2026 · Engineering
Logging Standards: Still Readable Three Months Later
Logs are written for future colleagues and for yourself at three in the morning. Structure is the baseline.
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March 1, 2026 · Product Thinking
Designing Search in Admin Systems
Anyone can add a search box. The hard part is matching how users actually look for data.
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February 21, 2026 · Founder Notes
What Kind of Company We Want to Be in Ten Years
Not the largest, but the most trustworthy engineering team in the region.
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— The editors at JiayifangyuanEST. 2019 · JYFY