Isometric illustration showing a static site document connected to a cloud database and security shield - representing the D1 and Turnstile architecture

Building a Comments System with Cloudflare D1 and Pages Functions

Static sites are fast, secure, and simple to deploy. But they lack one thing out of the box: interactivity. Comments, likes, and other dynamic features traditionally require a backend. This tutorial walks through how I built a comments and likes system for this site using Cloudflare’s serverless stack: D1 (SQLite database), Pages Functions (serverless API), and Turnstile (spam protection). No external services. No third-party tracking. Everything runs on Cloudflare’s edge network. ...

January 1, 2026 · Uttam Jaiswal