It sounds like a stretch, but there's a genuinely direct link between how heavy a website is and how much electricity it uses — multiplied across every single visitor.
The link between page weight and energy use
Every image, script and font your website loads has to be transferred, processed and rendered — on a server, across a network, and on the visitor's own device. A heavier page means more data moved and more processing done, every single time someone visits, which adds up to real energy use at scale.
What makes a website "heavy"
Oversized, unoptimised images are usually the biggest culprit, followed by unnecessary scripts and plugins carried over from platforms that weren't built with performance as a priority — often the same bloat that also makes a site feel slow to visitors.
How we build lean by default
Modern frameworks like Next.js, properly optimised images, and only loading what a page actually needs all reduce both load time and the energy cost of every visit — it's a case where good performance practice and lower environmental impact point the same direction.
Small changes that make a real difference
Compressing images, removing unused plugins, and cutting anything on the page that isn't earning its place are unglamorous, but they're the changes that actually move the needle — for load time, for visitor experience, and for the footprint of every page view.
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