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Green web hosting: what's real and what's greenwashing

Most 'green hosting' claims are carbon offsets. Here's how to find hosts that actually run on renewables — and whether it matters for your site.

Priya ShahBy Priya Shah·March 19, 2026·How we test

What green hosting usually means

The most common claim is 'carbon-neutral' via offset purchases — buying credits that fund tree planting or renewables elsewhere. That's better than nothing but it's not running on renewables.

True green hosting means data centers powered by on-site or directly-purchased renewable energy. A small number of hosts can credibly claim this.

Hosts with real renewable infrastructure

GreenGeeks (300% renewable matching via wind credits), Krystal (UK, 100% renewable grid), and major cloud providers in select regions — Google Cloud claims 24/7 carbon-free in some regions, AWS in some EU regions.

Check the Green Web Foundation's database — they verify claims against real grid data.

Does it matter for your site

Climatically, an individual website's footprint is tiny. The case for green hosting is more about market signal — telling hosts that customers care creates pressure across the industry.

If two hosts perform similarly, pick the greener one. Don't compromise on performance or support for it — a slow green site that drives users to faster competitors isn't actually a climate win.

Frequently asked

Questions readers ask about this topic

Are carbon offsets legitimate?

Quality varies wildly. Gold Standard and Verra-certified offsets are credible; cheaper unverified offsets often aren't. Direct renewable purchase is the gold standard.

Does green hosting cost more?

Slightly — usually 10-20% over equivalent non-green plans. The premium is shrinking as renewables become cheaper than fossil baseline.

Can I make my existing host greener?

Optimize: smaller images, caching, fewer plugins. Less compute = less energy regardless of source.
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