I’m ready to roll out a large-scale library of 500 individual conversion-calculator pages built with Next.js. The entire project is aimed squarely at monetising organic search traffic, so clean code, lightning speed and meticulous on-page SEO matter just as much as calculator accuracy. Here’s the framework I have in mind: I supply the written content and any pre-defined formulas for each page; you develop the components, routing and SEO layer that turn that content into a high-performing static site. Every calculator will live on its own URL, sharing a consistent layout yet retaining unique titles, meta descriptions, structured-data markup and open-graph tags. Core deliverables • Next.js project configured for static generation (or hybrid if you prefer ISR) • Re-usable calculator component(s) that let me drop in any formula, label set or unit list without touching the core code • 500 pages programmatically generated from my content files (MDX, JSON or whichever format you recommend) • Technical SEO baked in: schema.org “Calculator”, XML sitemap, breadcrumb markup, canonical tags and fast Core Web Vitals scores • Build scripts or CMS hooks so I can add more calculators later without refactoring • Deployment to my chosen platform (Vercel preferred, but open to alternatives) Optional but welcome – Server-side tracking hooks for GA4 / GTM – Basic A/B testing setup for headline tweaks – Advice on additional micro-schema opportunities Acceptance criteria 1. Lighthouse score 90+ for Performance, SEO and Best Practices on desktop and mobile for a sample of pages 2. All 500 pages output correct results using the supplied formulas 3. No console errors in production build; CI tests pass 4. Sitemap and structured data validate in Google Search Console If you’ve previously shipped high-volume, SEO-driven projects in Next.js and can move fast without cutting corners, I’d love to see how you’d approach this.