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Cloudflare AI Challenge

This is the official tag for submissions and announcements related to the Cloudflare AI Challenge.

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24K visitors, 430K requests, $0 spent. I built a live election results dashboard in 2 days with Claude.

24K visitors, 430K requests, $0 spent. I built a live election results dashboard in 2 days with Claude.

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8 min read
Why Cloudflare's Free-Plan Cache Rules Don't Cache Your HTML (And the Page Rules Fix That Does)

Why Cloudflare's Free-Plan Cache Rules Don't Cache Your HTML (And the Page Rules Fix That Does)

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7 min read
IP geolocation with zero external APIs, the Cloudflare Workers cf object

IP geolocation with zero external APIs, the Cloudflare Workers cf object

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2 min read
I migrated my Python backend to Cloudflare Workers in 4 hours and got 12x speedup

I migrated my Python backend to Cloudflare Workers in 4 hours and got 12x speedup

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4 min read
Cloudflare Pages + Railway + Neon: deploying a self-hosted app for $0

Cloudflare Pages + Railway + Neon: deploying a self-hosted app for $0

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3 min read
When Google Search Console Couldn’t Fetch My Sitemap, I Added an HTML Sitemap Fallback

When Google Search Console Couldn’t Fetch My Sitemap, I Added an HTML Sitemap Fallback

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8 min read
How I used Cloudflare Pages + GitHub API as a free backend for a family caregiving app

How I used Cloudflare Pages + GitHub API as a free backend for a family caregiving app

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6 min read
I Built a 19,000-Page Website From My Android Phone Using Termux

I Built a 19,000-Page Website From My Android Phone Using Termux

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4 min read
Building a Lightweight Remote MCP Knowledge Base on Cloudflare Workers

Building a Lightweight Remote MCP Knowledge Base on Cloudflare Workers

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4 min read
I built a streaming app with 7,000+ downloads at ₹0/month — here's the exact architecture

I built a streaming app with 7,000+ downloads at ₹0/month — here's the exact architecture

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3 min read
How I built a government data tool for international students.

How I built a government data tool for international students.

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4 min read
I built a spoiler-safe NYT Connections helper with Astro and Cloudflare

I built a spoiler-safe NYT Connections helper with Astro and Cloudflare

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4 min read
Building an AI Character Generator with Next.js and Cloudflare Workers

Building an AI Character Generator with Next.js and Cloudflare Workers

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3 min read
How I Built an AI Birthday Photo Generator with Cloudflare Workers, Gemini 2.5 Flash, and FLUX.2 Pro

How I Built an AI Birthday Photo Generator with Cloudflare Workers, Gemini 2.5 Flash, and FLUX.2 Pro

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6 min read
How I Verify Azure Pricing Accuracy Against Real Invoices (And Why I Had To)

How I Verify Azure Pricing Accuracy Against Real Invoices (And Why I Had To)

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4 min read
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