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Developer Builds Lightweight Health Calculator Site Using Only HTML, CSS, and JS

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A developer built a free health calculator website using pure HTML, CSS, and JavaScript after growing frustrated with ad-heavy, slow-loading tools found through routine Google searches. The site offers five client-side calculators covering BMI, calories, BMR, body fat, and ideal weight, with no user data sent to any server. It is hosted on Vercel's free tier via a GitHub integration, achieving a Lighthouse performance score above 95. Revenue is generated through a single Google AdSense unit, JD.com affiliate links for health products, and a donation button. The project highlights that lightweight, framework-free development can deliver fast, user-friendly tools while still supporting modest monetization.

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Developer Builds Lightweight Health Calculator Site Using Only HTML, CSS, and JS · ShortSingh