Speechify serves 500K dynamic pages to 60M users on Vercel

Speechify rebuilt its infrastructure on Next.js and Vercel after a security incident, now serving 500,000 dynamic pages across 40+ languages to 60 million users. The migration cut costs by 50% through auto-scaling with Fluid compute and achieved 99.99% uptime with no further security issues. Instant Rollbacks allow the growth team to deploy frequently without risking user impact.