How to Add Dynamic OG Images to Your Developer Blog in 2 Minutes

Your Blog Posts Deserve Better Social Previews You spend hours writing a technical blog post. You share it on Twitter. And the preview looks like this: Home Page yourdomain.com No image. No description. Just a sad, generic text preview that nobody clicks on. The fix is Open Graph meta tags — specifically og:image. But if you have 50+ blog posts, you can't open Figma and design a unique image for each one. You need dynamic generation. Why Puppeteer/Playwright Sucks for Blog OG Images The "standard" approach is: Spin up a headless browser in a serverless function Load an HTML template with your post title Screenshot it Serve the PNG This works in theory. In practice: Cold boot times of 3-5 seconds mean social platforms time out and cache nothing Memory usage of 200-500MB per invocation means expensive serverless bills Font loading is unreliable in headless environments You end up maintaining a mini rendering pipeline for what should be a simple image A Better Approach: URL-Based Image Ge