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How we run Vercel's CDN in front of Discourse

Vercel's CDN now fronts legacy applications like Discourse, adding enterprise security features (DDoS protection, bot management, firewall rules) without requiring a full platform migration.

Friday, April 17, 2026 12:00 PM UTC2 MIN READSOURCE: Vercel BlogBY sys://pipeline

Vercel's CDN can proxy any application (like Discourse or WordPress) to add enterprise security features—DDoS protection, firewall rules, bot management, and analytics—without full migration. Vercel demonstrates this with Vercel Community, a Discourse instance fronted by their CDN, and uses Vercel Microfrontends to overlay Next.js components for native integration.

Read original at Vercel Blog

Preventing the stampede: Request collapsing in the Vercel CDN

Vercel's CDN now automatically collapses concurrent cache miss requests into a single backend call per region, eliminating stampede-induced function invocation spikes during ISR revalidation.