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Real-time surveys via QR code, built with Cloudflare Durable Objects

Real-time surveys via QR code, built with Cloudflare Durable Objects

by heffrey·Apr 7, 2026·3 points·3 comments
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AI Analysis

●MidBig Brain

Good Durable Objects architecture explainer, but it's a blog post not a product.

Strengths
  • •Single-instance Durable Object guarantee solves edge fan-out elegantly
  • •SSE over WebSocket reduces handshake complexity for one-directional updates
  • •Turnstile validation plus D1 storage creates complete working implementation
Weaknesses
  • •Educational blog post rather than a shippable tool or library
  • •Survey tool itself is straightforward; the architecture is the real contribution
Target Audience

Developers building real-time edge applications

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Cloudflare Durable Objects docs · Liveblocks · Pusher

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