I Built a Privacy-First Calculator Website — Here is What I Learned About PageSpeed and SEO
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I recently launched CalcFree (calcfree.online) — a free calculator website with 25+ tools for health, finance, and math. Here are the results after launch: Performance: 93/100 Accessibility: 94/100 Best Practices: 100/100 SEO: 100/100 Here is what helped achieve these scores: Pure HTML/CSS/JS — No frameworks, no WordPress. Just clean semantic code. Loads in under 1 second. All calculations run locally — No API calls, no server requests for calculations. JavaScript handles everything in