Case Study

OneStopCalculators

https://www.onestopcalculators.online

A high-performance, SEO-focused calculator platform covering finance, health, and utility calculators, built with Next.js and Firebase Hosting.

Overview
  • Purpose: Deliver fast, accurate calculators across finance, health, and utility domains with strong SEO fundamentals.
  • Audience: Users in the US, UK, and India seeking reliable, ad-friendly calculators.
Features
  • Financial calculators: EMI, Paycheck, Interest, and more.
  • Health calculators: BMI, Calories, and related wellness utilities.
  • SEO-optimized static pages for discoverability.
  • AdSense-ready architecture with clean placements.
  • GDPR-compliant consent setup.
Tech Stack
  • Next.js (App Router, Static Export)
  • Firebase Hosting
  • Firebase Analytics (GA4)
  • Google AdSense (approved / under review)
  • Google Search Console
Key Engineering Decisions
  • Static rendering for SEO and reliability.
  • ads.txt-based AdSense verification.
  • Firebase CDN for performance and global reach.
  • Clean UX with intent-driven monetization.
Performance & SEO Focus
  • Fast page load and lean bundles.
  • Crawl-friendly structure with logical linking.
  • Scalable content architecture for new calculators.