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𝗦𝘁𝗮𝗹𝗲 𝗦𝘁𝗮𝘁𝗲 𝗗𝗲𝘁𝗲𝗰𝘁𝗶𝗼𝗻: 𝗧𝗵𝗲 𝟮𝟬-𝗦𝗲𝗰𝗼𝗻𝗱 𝗥𝘂𝗹𝗲 𝗧𝗵𝗮𝘁 𝗦𝗮𝘃𝗲𝘀 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗔𝗽𝗽𝘀

Dev.to · Ricardo Saumeth 1mo ago

𝗦𝘁𝗮𝗹𝗲 𝗦𝘁𝗮𝘁𝗲 𝗗𝗲𝘁𝗲𝗰𝘁𝗶𝗼𝗻: 𝗧𝗵𝗲 𝟮𝟬-𝗦𝗲𝗰𝗼𝗻𝗱 𝗥𝘂𝗹𝗲 𝗧𝗵𝗮𝘁 𝗦𝗮𝘃𝗲𝘀 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗔𝗽𝗽𝘀

Most real‑time UIs don’t fail because the WebSocket disconnects. They fail because the UI keeps...

𝗪𝗵𝘆 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗜𝘀 𝗮 𝗙𝗲𝗮𝘁𝘂𝗿𝗲: 𝗟𝗲𝘀𝘀𝗼𝗻𝘀 𝗙𝗿𝗼𝗺 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗟𝗼𝘄‑𝗟𝗮𝘁𝗲𝗻𝗰𝘆 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗦𝘆𝘀𝘁𝗲𝗺𝘀

Dev.to · Ricardo Saumeth 1mo ago

𝗪𝗵𝘆 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗜𝘀 𝗮 𝗙𝗲𝗮𝘁𝘂𝗿𝗲: 𝗟𝗲𝘀𝘀𝗼𝗻𝘀 𝗙𝗿𝗼𝗺 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗟𝗼𝘄‑𝗟𝗮𝘁𝗲𝗻𝗰𝘆 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗦𝘆𝘀𝘁𝗲𝗺𝘀

Most teams treat performance as an afterthought — something you “optimize later”. In low‑latency...

𝗥𝗲𝗮𝗰𝘁 + 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 𝗶𝗻 𝟮𝟬𝟮𝟲: 𝗧𝗵𝗲 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀 𝗧𝗵𝗮𝘁 𝗔𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗦𝗰𝗮𝗹𝗲

Dev.to · Ricardo Saumeth 1mo ago

𝗥𝗲𝗮𝗰𝘁 + 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 𝗶𝗻 𝟮𝟬𝟮𝟲: 𝗧𝗵𝗲 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀 𝗧𝗵𝗮𝘁 𝗔𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗦𝗰𝗮𝗹𝗲

Most React + TypeScript codebases don’t fail because of bad syntax, they fail because the...

𝗧𝗵𝗲 𝗛𝗶𝗱𝗱𝗲𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗕𝗲𝗵𝗶𝗻𝗱 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜𝘀: 𝗪𝗵𝗮𝘁 𝗠𝗼𝘀𝘁 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗢𝘃𝗲𝗿𝗹𝗼𝗼𝗸

Dev.to · Ricardo Saumeth 1mo ago

𝗧𝗵𝗲 𝗛𝗶𝗱𝗱𝗲𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗕𝗲𝗵𝗶𝗻𝗱 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜𝘀: 𝗪𝗵𝗮𝘁 𝗠𝗼𝘀𝘁 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗢𝘃𝗲𝗿𝗹𝗼𝗼𝗸

Most engineers think real‑time UI engineering is about speed. It isn’t. Speed is just the...

Performance Metrics for Real‑Time Trading Apps: What Every Developer Should Know

Dev.to · Ricardo Saumeth 1mo ago

Performance Metrics for Real‑Time Trading Apps: What Every Developer Should Know

Building a cryptocurrency trading dashboard taught me something important: traditional web...

𝗧𝗵𝗲 𝗢𝗻𝗹𝘆 𝗣𝗮𝗿𝘁𝘀 𝗼𝗳 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗔𝗜 𝗦𝘁𝗶𝗹𝗹 𝗖𝗮𝗻’𝘁 𝗗𝗼 (𝗔𝗻𝗱 𝗛𝗼𝘄 𝗦𝗲𝗻𝗶𝗼𝗿𝘀 𝗙𝗶𝗹𝗹 𝘁𝗵𝗲 𝗚𝗮𝗽)

Dev.to · Ricardo Saumeth 1mo ago

𝗧𝗵𝗲 𝗢𝗻𝗹𝘆 𝗣𝗮𝗿𝘁𝘀 𝗼𝗳 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗔𝗜 𝗦𝘁𝗶𝗹𝗹 𝗖𝗮𝗻’𝘁 𝗗𝗼 (𝗔𝗻𝗱 𝗛𝗼𝘄 𝗦𝗲𝗻𝗶𝗼𝗿𝘀 𝗙𝗶𝗹𝗹 𝘁𝗵𝗲 𝗚𝗮𝗽)

AI is incredible at generating boilerplate, scaffolding components, and even writing reducers. But...

𝗛𝗼𝘄 𝗥𝗲𝗮𝗰𝘁 𝟭𝟵 𝗖𝗵𝗮𝗻𝗴𝗲𝘀 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗦𝘁𝗮𝘁𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 (𝗔𝗻𝗱 𝗪𝗵𝗮𝘁 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗦𝗵𝗼𝘂𝗹𝗱 𝗦𝘁𝗼𝗽 𝗗𝗼𝗶𝗻𝗴)

Dev.to · Ricardo Saumeth 1mo ago

𝗛𝗼𝘄 𝗥𝗲𝗮𝗰𝘁 𝟭𝟵 𝗖𝗵𝗮𝗻𝗴𝗲𝘀 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗦𝘁𝗮𝘁𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 (𝗔𝗻𝗱 𝗪𝗵𝗮𝘁 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗦𝗵𝗼𝘂𝗹𝗱 𝗦𝘁𝗼𝗽 𝗗𝗼𝗶𝗻𝗴)

React 19 isn’t a “new features” release. It’s a new mental model for how real‑time UIs should...

𝗪𝗵𝘆 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜𝘀 𝗕𝗿𝗲𝗮𝗸 𝗮𝘁 𝗦𝗰𝗮𝗹𝗲 (𝗔𝗻𝗱 𝘁𝗵𝗲 𝟯 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀 𝗧𝗵𝗮𝘁 𝗔𝗹𝘄𝗮𝘆𝘀 𝗦𝘂𝗿𝘃𝗶𝘃𝗲 𝗟𝗼𝗮𝗱)

Dev.to · Ricardo Saumeth 1mo ago

𝗪𝗵𝘆 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜𝘀 𝗕𝗿𝗲𝗮𝗸 𝗮𝘁 𝗦𝗰𝗮𝗹𝗲 (𝗔𝗻𝗱 𝘁𝗵𝗲 𝟯 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀 𝗧𝗵𝗮𝘁 𝗔𝗹𝘄𝗮𝘆𝘀 𝗦𝘂𝗿𝘃𝗶𝘃𝗲 𝗟𝗼𝗮𝗱)

Most front‑end engineers think real‑time systems fail because of “speed.” They don’t. Real‑time UIs...

𝗧𝗵𝗲 𝗠𝗼𝘀𝘁 𝗗𝗮𝗻𝗴𝗲𝗿𝗼𝘂𝘀 𝗕𝘂𝗴 𝗶𝗻 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗜𝘀𝗻’𝘁 𝗮 𝗖𝗿𝗮𝘀𝗵 — 𝗜𝘁’𝘀 𝗮 𝗟𝗶𝗲

Dev.to · Ricardo Saumeth 1mo ago

𝗧𝗵𝗲 𝗠𝗼𝘀𝘁 𝗗𝗮𝗻𝗴𝗲𝗿𝗼𝘂𝘀 𝗕𝘂𝗴 𝗶𝗻 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗜𝘀𝗻’𝘁 𝗮 𝗖𝗿𝗮𝘀𝗵 — 𝗜𝘁’𝘀 𝗮 𝗟𝗶𝗲

Most frontend bugs are loud. They throw errors. They break layouts. They crash the page. Real‑time...

𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗜𝘀𝗻’𝘁 𝗔𝗯𝗼𝘂𝘁 𝗦𝗽𝗲𝗲𝗱 — 𝗜𝘁’𝘀 𝗔𝗯𝗼𝘂𝘁 𝗞𝗻𝗼𝘄𝗶𝗻𝗴 𝗪𝗵𝗲𝗿𝗲 𝘁𝗼 𝗦𝗽𝗲𝗻𝗱 𝗖𝗼𝗺𝗽𝗹𝗲𝘅𝗶𝘁𝘆

Dev.to · Ricardo Saumeth 1mo ago

𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗜𝘀𝗻’𝘁 𝗔𝗯𝗼𝘂𝘁 𝗦𝗽𝗲𝗲𝗱 — 𝗜𝘁’𝘀 𝗔𝗯𝗼𝘂𝘁 𝗞𝗻𝗼𝘄𝗶𝗻𝗴 𝗪𝗵𝗲𝗿𝗲 𝘁𝗼 𝗦𝗽𝗲𝗻𝗱 𝗖𝗼𝗺𝗽𝗹𝗲𝘅𝗶𝘁𝘆

Every real‑time UI eventually hits the same wall. Not because the code is bad. Not because the...

𝗪𝗵𝘆 𝗪𝗲𝗯𝗦𝗼𝗰𝗸𝗲𝘁 𝗠𝗶𝗱𝗱𝗹𝗲𝘄𝗮𝗿𝗲 𝗜𝘀 𝘁𝗵𝗲 𝗦𝗲𝗰𝗿𝗲𝘁 𝗪𝗲𝗮𝗽𝗼𝗻 𝗕𝗲𝗵𝗶𝗻𝗱 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗔𝗽𝗽𝘀

Dev.to · Ricardo Saumeth 1mo ago

𝗪𝗵𝘆 𝗪𝗲𝗯𝗦𝗼𝗰𝗸𝗲𝘁 𝗠𝗶𝗱𝗱𝗹𝗲𝘄𝗮𝗿𝗲 𝗜𝘀 𝘁𝗵𝗲 𝗦𝗲𝗰𝗿𝗲𝘁 𝗪𝗲𝗮𝗽𝗼𝗻 𝗕𝗲𝗵𝗶𝗻𝗱 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗔𝗽𝗽𝘀

Most developers treat WebSocket middleware as “plumbing.” After building a crypto trading dashboard...

🟦 𝗠𝗮𝗿𝗸𝗲𝘁 𝗢𝗿𝗱𝗲𝗿𝘀 𝘃𝘀 𝗟𝗶𝗺𝗶𝘁 𝗢𝗿𝗱𝗲𝗿𝘀 — 𝗔𝗻𝗱 𝗛𝗼𝘄 𝗧𝗵𝗲𝘆 𝗠𝘂𝘁𝗮𝘁𝗲 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜 𝗦𝘁𝗮𝘁𝗲

Dev.to · Ricardo Saumeth 1mo ago

🟦 𝗠𝗮𝗿𝗸𝗲𝘁 𝗢𝗿𝗱𝗲𝗿𝘀 𝘃𝘀 𝗟𝗶𝗺𝗶𝘁 𝗢𝗿𝗱𝗲𝗿𝘀 — 𝗔𝗻𝗱 𝗛𝗼𝘄 𝗧𝗵𝗲𝘆 𝗠𝘂𝘁𝗮𝘁𝗲 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗨𝗜 𝗦𝘁𝗮𝘁𝗲

Most explanations stop at “market = instant, limit = conditional.” That’s beginner‑level...

⭐ 𝗣𝗔𝗥𝗧 𝟱 — 𝗧𝗵𝗲 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿’𝘀 𝗣𝗹𝗮𝘆𝗯𝗼𝗼𝗸 𝗳𝗼𝗿 𝗨𝘀𝗶𝗻𝗴 𝗔𝗜 𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲𝗹𝘆

Dev.to · Ricardo Saumeth 1mo ago

⭐ 𝗣𝗔𝗥𝗧 𝟱 — 𝗧𝗵𝗲 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿’𝘀 𝗣𝗹𝗮𝘆𝗯𝗼𝗼𝗸 𝗳𝗼𝗿 𝗨𝘀𝗶𝗻𝗴 𝗔𝗜 𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲𝗹𝘆

How to use AI without letting it use you. 𝗧𝗵𝗲 𝗳𝘂𝘁𝘂𝗿𝗲: 𝗔𝗜 𝗮𝘀 𝘆𝗼𝘂𝗿 𝗷𝘂𝗻𝗶𝗼𝗿 𝗽𝗮𝗿𝘁𝗻𝗲𝗿 AI is an extremely...

⭐ 𝗣𝗔𝗥𝗧 𝟰 — 𝗪𝗵𝗲𝗻 𝗔𝗜 𝗠𝗮𝗸𝗲𝘀 𝗧𝗵𝗶𝗻𝗴𝘀 𝗪𝗼𝗿𝘀𝗲 (𝗮𝗻𝗱 𝗛𝗼𝘄 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗥𝗲𝗰𝗼𝘃𝗲𝗿)

Dev.to · Ricardo Saumeth 1mo ago

⭐ 𝗣𝗔𝗥𝗧 𝟰 — 𝗪𝗵𝗲𝗻 𝗔𝗜 𝗠𝗮𝗸𝗲𝘀 𝗧𝗵𝗶𝗻𝗴𝘀 𝗪𝗼𝗿𝘀𝗲 (𝗮𝗻𝗱 𝗛𝗼𝘄 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗥𝗲𝗰𝗼𝘃𝗲𝗿)

![ ](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/2ir87zxoj76lmeveerpj.png) This is...

⭐ 𝗣𝗔𝗥𝗧 𝟯 — 𝗪𝗵𝗲𝗿𝗲 𝗔𝗜 𝗦𝘁𝗿𝘂𝗴𝗴𝗹𝗲𝘀 (𝗮𝗻𝗱 𝗪𝗵𝘆 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗠𝗮𝘁𝘁𝗲𝗿)

Dev.to · Ricardo Saumeth 1mo ago

⭐ 𝗣𝗔𝗥𝗧 𝟯 — 𝗪𝗵𝗲𝗿𝗲 𝗔𝗜 𝗦𝘁𝗿𝘂𝗴𝗴𝗹𝗲𝘀 (𝗮𝗻𝗱 𝗪𝗵𝘆 𝗦𝗲𝗻𝗶𝗼𝗿 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗠𝗮𝘁𝘁𝗲𝗿)

𝗔𝗜 𝗮𝗰𝗰𝗲𝗹𝗲𝗿𝗮𝘁𝗲𝘀 — 𝗯𝘂𝘁 𝗶𝘁 𝗱𝗼𝗲𝘀𝗻’𝘁 𝘂𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻. 𝐈𝐭 𝐡𝐞𝐥𝐩𝐞𝐝 𝐚 𝐥𝐨𝐭 — 𝐛𝐮𝐭 𝐢𝐭 𝐚𝐥𝐬𝐨 𝐦𝐢𝐬𝐬𝐞

⭐ 𝗣𝗔𝗥𝗧 𝟮 — 𝐓𝐲𝐩𝐞 𝐒𝐚𝐟𝐞𝐭𝐲, 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐬𝐚𝐭𝐢𝐨𝐧 (𝐰𝐢𝐭𝐡 𝐀𝐈 𝐚𝐬 𝐚 𝐉𝐮𝐧𝐢𝐨𝐫 𝐏𝐚𝐫𝐭𝐧𝐞𝐫)

Dev.to · Ricardo Saumeth 1mo ago

⭐ 𝗣𝗔𝗥𝗧 𝟮 — 𝐓𝐲𝐩𝐞 𝐒𝐚𝐟𝐞𝐭𝐲, 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐬𝐚𝐭𝐢𝐨𝐧 (𝐰𝐢𝐭𝐡 𝐀𝐈 𝐚𝐬 𝐚 𝐉𝐮𝐧𝐢𝐨𝐫 𝐏𝐚𝐫𝐭𝐧𝐞𝐫)

Real‑time systems fall apart without strict typing, solid tests, and predictable...

⭐ 𝗣𝗔𝗥𝗧 𝟭 — 𝐇𝐨𝐰 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐫𝐨𝐧𝐭‑𝐄𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐬 𝐔𝐬𝐞 𝐀𝐈 𝐭𝐨 𝐀𝐜𝐜𝐞𝐥𝐞𝐫𝐚𝐭𝐞 𝐑𝐞𝐚𝐥‑𝐓𝐢𝐦𝐞 𝐔𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭

Dev.to · Ricardo Saumeth 1mo ago

⭐ 𝗣𝗔𝗥𝗧 𝟭 — 𝐇𝐨𝐰 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐫𝐨𝐧𝐭‑𝐄𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐬 𝐔𝐬𝐞 𝐀𝐈 𝐭𝐨 𝐀𝐜𝐜𝐞𝐥𝐞𝐫𝐚𝐭𝐞 𝐑𝐞𝐚𝐥‑𝐓𝐢𝐦𝐞 𝐔𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭

A case study from building a production‑grade cryptocurrency trading dashboard Real‑time UIs...

🚀 𝗠𝗲𝗺𝗼𝗿𝘆‑𝗕𝗼𝘂𝗻𝗱𝗲𝗱 𝗔𝗿𝗿𝗮𝘆𝘀

Dev.to · Ricardo Saumeth 1mo ago

🚀 𝗠𝗲𝗺𝗼𝗿𝘆‑𝗕𝗼𝘂𝗻𝗱𝗲𝗱 𝗔𝗿𝗿𝗮𝘆𝘀

Real‑time applications behave very differently from typical web apps. A normal React app might...

𝗛𝗼𝘄 𝗜 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 𝗥𝗲𝗮𝗰𝘁 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 𝗳𝗼𝗿 𝗛𝗶𝗴𝗵‑𝗙𝗿𝗲𝗾𝘂𝗲𝗻𝗰𝘆, 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗗𝗮𝘁𝗮

Dev.to · Ricardo Saumeth 1mo ago

𝗛𝗼𝘄 𝗜 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 𝗥𝗲𝗮𝗰𝘁 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 𝗳𝗼𝗿 𝗛𝗶𝗴𝗵‑𝗙𝗿𝗲𝗾𝘂𝗲𝗻𝗰𝘆, 𝗥𝗲𝗮𝗹‑𝗧𝗶𝗺𝗲 𝗗𝗮𝘁𝗮

Most React apps never face real‑time pressure. They fetch data on mount, re-render occasionally,...

𝗧𝗵𝗿𝗲𝗲 𝗠𝗲𝘁𝗿𝗶𝗰𝘀 𝗧𝗵𝗮𝘁 𝗠𝗮𝘁𝘁𝗲𝗿 𝗠𝗼𝗿𝗲 𝗧𝗵𝗮𝗻 𝗖𝗼𝗿𝗲 𝗪𝗲𝗯 𝗩𝗶𝘁𝗮𝗹𝘀 𝗶𝗻 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗔𝗽𝗽𝘀

Dev.to · Ricardo Saumeth 1mo ago

𝗧𝗵𝗿𝗲𝗲 𝗠𝗲𝘁𝗿𝗶𝗰𝘀 𝗧𝗵𝗮𝘁 𝗠𝗮𝘁𝘁𝗲𝗿 𝗠𝗼𝗿𝗲 𝗧𝗵𝗮𝗻 𝗖𝗼𝗿𝗲 𝗪𝗲𝗯 𝗩𝗶𝘁𝗮𝗹𝘀 𝗶𝗻 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗔𝗽𝗽𝘀

Most web apps live and die by Core Web Vitals. Trading apps don’t. After building CryptoApp, a...

🔥 𝐓𝐡𝐞 𝐇𝐚𝐫𝐝𝐞𝐬𝐭 𝐏𝐫𝐨𝐛𝐥𝐞𝐦𝐬 𝐢𝐧 𝐑𝐞𝐚𝐥‑𝐓𝐢𝐦𝐞 𝐅𝐫𝐨𝐧𝐭‑𝐄𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 (𝐚𝐧𝐝 𝐭𝐡𝐞 𝐩𝐚𝐭𝐭𝐞𝐫𝐧𝐬 𝐭𝐡𝐚𝐭 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐰𝐨𝐫𝐤)

Dev.to · Ricardo Saumeth 1mo ago

🔥 𝐓𝐡𝐞 𝐇𝐚𝐫𝐝𝐞𝐬𝐭 𝐏𝐫𝐨𝐛𝐥𝐞𝐦𝐬 𝐢𝐧 𝐑𝐞𝐚𝐥‑𝐓𝐢𝐦𝐞 𝐅𝐫𝐨𝐧𝐭‑𝐄𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 (𝐚𝐧𝐝 𝐭𝐡𝐞 𝐩𝐚𝐭𝐭𝐞𝐫𝐧𝐬 𝐭𝐡𝐚𝐭 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐰𝐨𝐫𝐤)

Real‑time front‑end engineering looks simple from the outside: “Just open a WebSocket and update...