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Free · Sustainable web

Website Carbon Calculator

Estimate the carbon footprint of a web page. Lighter, faster sites emit less, load quicker and rank better — a triple win.

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Estimated footprint

Enter a URL or page weight to estimate emissions.

Faster sites are greener — and convert better

JW Digital builds lean, high-performance websites on a modern Next.js stack: lower carbon, faster loads, stronger SEO.

Website DesignWebsite Grader →

More free tools

Website Grader →

Speed, mobile and SEO score — performance drives carbon.

Website Revenue Loss →

What a slow, heavy site costs you in revenue.

Hosting & Maintenance →

Efficient, well-maintained hosting on a modern stack.

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Empowering UK businesses with bespoke web design, app development, and digital marketing solutions that drive measurable results.

0161 399 4659

Our Services

  • Web Design Services UK
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