How I Built a 10KB Embeddable Chat Widget on Cloudflare Workers

I wanted to add live chat to my WordPress sites without loading a 500KB third-party script. So I built my own. GhostChat is an open source embeddable chat widget that runs on Cloudflare Workers and Durable Objects. The client widget is under 10KB. Here's how it works. The architecture Widget: Vanilla JS, no framework, ~10KB Backend: Cloudflare Workers + Durable Objects for persistent WebSocket connections Payments: Stripe for the hosted tier Self-hostable: Bring your own Cloudflare account Why C