Cloudflare icon

Websites using Cloudflare

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Lead List Exporter

10.2M live Cloudflare sites, ready to export.

That's how many Cloudflare websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

Start with a list template

Every Cloudflare website we detected in the United States.

Only sites where a personal, company-hosted email was found.

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Cloudflare websites on .com domains.

Only sites where an organisation phone number was found.

Create your own
Live Websites

Websites Using Cloudflare

A sample of live Cloudflare sites from our latest crawl, with the other technologies each one runs.

How many websites use Cloudflare?

We found Cloudflare on 10,214,763 websites in our September 2026 crawl, across 230 countries.

Which countries use Cloudflare the most?

By number of websites, the top countries are United States (11%, 1,089,754 sites), United Kingdom (4%, 372,232 sites), Japan (3%, 298,569 sites), Germany (2%, 219,563 sites) and France (2%, 196,506 sites). Together they account for 21% of the 10,214,763 Cloudflare sites we track. 54% of the sites are in English, and .com is the most used domain ending, on 54% of them.

Where are Cloudflare websites hosted?

The networks carrying the most Cloudflare sites are Cloudflare, Inc. (6,609,737 sites), Cloudflare London, LLC (755,340 sites) and CLOUDFLARENET (491,491 sites).

What technologies are used with Cloudflare?

Across the 10,214,763 Cloudflare sites we track, the technologies most often found alongside it are HTTP/3 (75%, 7,620,466 sites), jQuery (55%, 5,581,869 sites), PHP (43%, 4,344,129 sites), Cloudflare Browser Insights (38%, 3,856,747 sites) and HSTS (37%, 3,783,327 sites).

Deep Dive

Breakdown of Cloudflare websites

What else they run, plus their language, hosting network, domain extension and country.

TechnologySites
HTTP/37,620,466
jQuery5,581,869
PHP4,344,129
Cloudflare Browser Insights3,856,747
HSTS3,783,327
MySQL3,488,252
WordPress3,077,933
Cloudflare Bot Management2,388,017
jQuery Migrate2,319,830
Google Analytics2,226,137
Bootstrap2,175,549
cdnjs2,045,070
Google Tag Manager1,383,885
Yoast SEO1,190,033
Shopify1,139,493
Google Hosted Libraries970,596
jsDelivr936,124
reCAPTCHA843,031
LiteSpeed765,716
WordPress Block Editor760,436
Elementor746,312
Nginx711,409
Slick685,842
Contact Form 7670,884
LiteSpeed Cache661,995

FAQ

Answers drawn from our latest crawl of Cloudflare websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.