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🌿 EcoHost FinderFind green web hosting and see how big your website's carbon footprint really is 🌱 Find green hosts🧮 Website carbon estimator📘 How green claims work Minimum green claimAny green claimRenewable match or better (no offset-only)Direct renewable supply only Server regionAnywhereNorth AmericaEuropeUnited KingdomAsia-Pacific Hosting typeAnySharedManaged WordPress Max starting price Extras Independent certification (B Corp, Green-e…) Tree-planting or climate giving ● Direct renewable supply● Cloud platform 100% renewable match● Renewable energy certificates (RECs)● Carbon offsets Average page size (MB) Monthly page views Returning visitors (%) Your current hostingStandard grid-powered hostingGreen hosting (renewable) Grid carbon intensity (g CO₂/kWh) Model: Sustainable Web Design v3 (0.81 kWh per GB, split across data centres 15%, networks 14%, devices 52% and production 19%). Renewable energy is counted at 50 g/kWh. These are estimates. Direct renewable supplyThe host (or its data centre) buys electricity from a renewable supplier or a power purchase agreement. This is usually the strongest claim, though power still travels through the shared grid. Cloud platform renewable matchHosts built on big clouds (such as Google Cloud) inherit that cloud's commitment to match its yearly electricity use with renewable purchases. It's strong at scale, but matching happens over a year, not every hour. Renewable energy certificates (RECs)The host buys certificates equal to some or all of its usage (some buy 100%, a few 300%). Certified RECs, such as Green-e, are more credible than unverified ones. Carbon offsetsThe host pays for projects such as reforestation to balance its emissions. It's better than nothing, but the servers still run on regular grid power, and offset quality varies a lot. 🔎 Verify any websiteThe Green Web Foundation keeps a public directory of verified green hosts. Check any domain, including your current site, with their Green Web Check.Open Green Web Check → ⬇ Download CSV🖨 Save PDF↺ Reset Affiliate disclosure: we may earn a commission when you buy through these links, at no extra cost to you. Green claims summarize what each host publicly states, as reviewed on the date shown; we don't audit them. Follow each "check claim" link to confirm. Prices are promotional samples and change often. Carbon figures are model estimates. Free eco tool · 2026 Green Web Hosting, Honestly Explained, Plus a Calculator for Your Site's Real Footprint "100% green!" can mean very different things. EcoHost Finder sorts hosts by how they're green (renewable supply, certificates or offsets) and shows you how much hosting actually contributes to your website's carbon footprint. 🌿 Open EcoHost Finder → ⚡ Quick answer The greenest hosts run on directly supplied renewable energy or cloud platforms that match 100% of their electricity with renewables. Hosts that buy renewable energy certificates (RECs) come next, and offset-only hosts are the weakest claim. Green hosting typically cuts the data-centre share of a website's emissions, about 15% of the total in the Sustainable Web Design model. Reducing page weight cuts everything else, so do both. EcoHost Finder helps with each. 9green hosts compared 4types of green claim explained 0.81kWh per GB in the estimator model 3tabs: find, estimate, learn What makes web hosting "green"? Every website runs on servers in data centres that use electricity around the clock. A host is "green" when it does something about the carbon that electricity creates. The how matters a great deal, so EcoHost Finder labels every host by the type of claim it makes: ⚡Direct renewable supplyElectricity bought from a renewable supplier or a power purchase agreement for the data centre.Strongest ☁️Cloud renewable matchBuilt on a cloud platform that buys renewables equal to its yearly global electricity use.Strong 📜Renewable certificates (RECs)Certificates purchased to match part, all, or even several times the host's energy use. Certified RECs are more credible.Good 🌳Carbon offsets onlyPaying for projects to balance emissions while the servers run on ordinary grid power. Quality varies widely.Weakest How EcoHost Finder works Find green hostsFilter by minimum claim strength (for example "direct renewable only"), server region, hosting type, price and independent certifications. Each host shows its claim type, certifications, any stated data-centre efficiency (PUE), and a link to check the claim on the host's own site. Get a transparent green scoreScores combine claim strength, matching above 100%, independent certifications, stated efficiency, tree-planting or climate giving, and whether the host publishes a dedicated sustainability page. Estimate your website's carbonEnter your average page size, monthly page views and share of returning visitors. You'll see CO₂ per page view and per year, real-world equivalents, and how much green hosting and a lighter page would each save. Learn and verifyThe "How green claims work" tab explains each claim type and links to the Green Web Foundation's free Green Web Check. Green hosts at a glance HostClaim typeWhat they state publicly Krystal (UK)Direct renewablePower matched 100% with renewables; Certified B Corp since 2023; PUE of 1.2 or better; trees planted for every active client GreenGeeksRECs · 300%Renewable energy certificates equal to 300% of its energy use; a tree planted per purchase KinstaCloud matchBuilt on Google Cloud and Cloudflare; states sites run on 100% renewable energy SiteGroundCloud matchInfrastructure on Google Cloud, which matches its annual electricity use with renewables DreamHostRECs / offsetsLong-standing carbon-neutral claim IONOSRenewable supplyReports renewable-powered data centres in Europe and the US Summaries of public statements as reviewed in November 2026. Claims change, so confirm on each host's sustainability page or with the Green Web Foundation before deciding. The honest truth: how much does green hosting cut? In the widely used Sustainable Web Design model, a website's energy is split between four parts: the data centre, the networks that carry the data, the devices people view it on, and the energy embodied in producing all that hardware. Hosting is only one slice: 15%14%52% devices19% Data centres 15% · networks 14% · user devices 52% · hardware production 19% (Sustainable Web Design model v3). Here's what EcoHost Finder estimates for a typical site with 2.3 MB pages, 20,000 page views a month and 25% returning visitors: ScenarioCO₂ per page viewCO₂ per year Standard grid-powered host0.61 g145.7 kg Switch to a green host0.53 g126.3 kg Green host + half the page weight0.26 g63.2 kg Switching hosts saves about 13% here. Pairing it with a lighter page cuts the footprint by more than half. Green hosting is a meaningful, easy first step, and page weight is the other half of the job. 7 ways to make your website greener Choose a host with a strong claim typePrefer direct renewable supply or cloud renewable matching over offset-only claims. Pick a data centre near your visitorsShorter distances usually mean faster pages and less network energy. Compress and resize imagesImages are usually the heaviest part of a page. Use WebP or AVIF, at the size they're displayed. Use caching and a CDNReturning visitors download far less data when assets are cached. Cut unused scripts and pluginsEvery tracker, slider and chat widget adds weight to every page view. Avoid autoplay videoLet visitors choose to play video instead of streaming it on every load. Show your green badgeMany green hosts provide badges. Being open about it builds trust with eco-minded visitors. Find a green host and measure your site's footprint Filter hosts by how they're green, then estimate your website's yearly CO₂ in seconds. Free and private. Launch EcoHost Finder → Frequently asked questions What is green web hosting?Green web hosting is hosting that takes action on the carbon created by running servers, by using renewable electricity, buying renewable energy certificates, offsetting emissions, or running more efficient data centres. Is green hosting more expensive?Usually not by much. Many green hosts price their shared plans in the same range as mainstream hosts, so you can often go green without paying more. What's the difference between RECs and carbon offsets?Renewable energy certificates represent renewable electricity added to the grid to match energy use. Carbon offsets fund projects such as tree planting to balance emissions elsewhere. RECs relate directly to electricity; offsets don't change the power your servers use. How do I check if my current host is green?Use the Green Web Foundation's free Green Web Check, which looks up whether a domain is served from a verified green host. You can also look for a sustainability page on your host's website. How much CO₂ does a website produce?It depends on page size, traffic and energy source. EcoHost Finder estimates around 0.6 g of CO₂ per page view for a 2.3 MB page on a grid-powered host, which is about 146 kg a year at 20,000 page views a month. Does green hosting slow down my website?No. Many green hosts, including those built on major cloud platforms, perform as well as or better than conventional hosts. Speed depends on the plan and setup, not the energy source. Disclosure: this page may contain affiliate links; we may earn a commission at no extra cost to you. Green claims summarize hosts' public statements and are not independently audited by us. Carbon figures are model-based estimates using the Sustainable Web Design methodology.

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