Websites using Fly.io

Q: How current is this data?

The figures on this page come from our September 2026 crawl. VersionDB runs a fresh crawl every month, and the database spans multiple monthly crawls.

Q: Can I download a list of Fly.io websites?

Yes. The Lead List Exporter lets you filter the 12,420 Fly.io sites by country, traffic and contact details, see the row count for free, and pay once for the rows you export. To try it first, the Free Lead List Exporter exports up to 10 matching domains at no cost, from a subset of our crawl.

PaaS

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Lead List Exporter

12.4k live Fly.io sites, ready to export.

That's how many Fly.io 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.

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Fly.io companies in the United States

Every Fly.io website we detected in the United States.

Companies with personnel emails

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

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 Fly.io sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Fly.io websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own

Live Websites

Websites Using Fly.io

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

Open in the Lead List Exporter

Domain	Also runs	Crawl Date
famoustravel.gr	Cloudflare	September 27, 2026
enzytin.no	Node.js Express	September 27, 2026
cvmaker.com.ar	Cloudflare Google Tag Manager	September 27, 2026
cvmaker.com.mx	Cloudflare Google Tag Manager	September 27, 2026
cedhstats.org	None detected	September 27, 2026
aikoo.me	HSTS Google Tag Manager Ruby Alpine.js Ruby on Rails	September 27, 2026
iwatched.app	jQuery HSTS Bootstrap Cloudflare cdnjs	September 27, 2026
whatsthattech.com	Node.js Vue.js Nuxt.js	September 27, 2026
green-edge.net	HSTS Contentful Plausible	September 27, 2026
sexpod.love	None detected	September 27, 2026

How many websites use Fly.io?

We found Fly.io on 12,420 websites in our September 2026 crawl, across 105 countries.

Which countries use Fly.io the most?

By number of websites, the top countries are United States (71%, 8,812 sites), Australia (4%, 496 sites), United Kingdom (2%, 216 sites), New Zealand (1%, 176 sites) and Canada (1%, 154 sites). Together they account for 79% of the 12,420 Fly.io sites we track. 72% of the sites are in English, and .com is the most used domain ending, on 42% of them.

Where are Fly.io websites hosted?

The networks carrying the most Fly.io sites are Fly.io, Inc. (10,223 sites), Cloudflare, Inc. (1,251 sites) and Amazon.com, Inc. (389 sites).

What technologies are used with Fly.io?

Across the 12,420 Fly.io sites we track, the technologies most often found alongside it are HSTS (36%, 4,512 sites), Cloudflare (25%, 3,083 sites), Google Analytics (24%, 2,932 sites), Node.js (18%, 2,241 sites) and HTTP/3 (18%, 2,216 sites).

Deep Dive

Breakdown of Fly.io websites

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

Technology	Sites
HSTS	4,512
Cloudflare	3,083
Google Analytics	2,932
Node.js	2,241
HTTP/3	2,216
jQuery	1,829
React	1,739
PHP	1,410
reCAPTCHA	1,398
cdnjs	1,379
Webpack	1,363
Next.js	1,344
WordPress	1,264
MySQL	1,263
Modernizr	1,246
Cloudflare Browser Insights	1,228
jQuery Migrate	1,204
The Church Co	1,035
Google Tag Manager	900
jsDelivr	887
YouTube	838
Ruby	822
Ruby on Rails	807
Express	664
Bootstrap	558

Language	Sites
English	8,972
German	291
French	257
Spanish	225
Latin	208
Dutch	191
Italian	151
Portuguese	149
Swedish	119
Japanese	115
Tagalog	98
Polish	75
Welsh	69
Danish	61
Norwegian Bokmål	59
Chinese	49
Czech	47
Esperanto	46
Finnish	46
Norwegian Nynorsk	45
Catalan	40
Afrikaans	38
Turkish	37
Swahili	35
Southern Sotho	34

ASN	Sites
Fly.io, Inc.	10,223
Cloudflare, Inc.	1,251
Amazon.com, Inc.	389
FLY	309
CLOUDFLARENET	45
Fastly, Inc.	33
Google LLC	19
Cloudflare London, LLC	15
Datacamp Limited	12
Hetzner Online GmbH	12
DigitalOcean, LLC	9
Hostinger International Limited	9
Akamai Connected Cloud	8
BUNNYWAY, informacijske storitve d.o.o.	8
OVH SAS	7
Microsoft Corporation	4
New Dream Network, LLC	4
AMAZON-AES	3
IONOS SE	3
Render	3
Akamai International B.V.	2
CHINA UNICOM China169 Backbone	2
Combell NV	2
GoDaddy.com, LLC	2
Mammoth Media Pty Ltd	2

TLD	Sites
com	5,178
dev	1,127
org	1,010
au	485
io	352
app	304
net	280
ai	246
uk	192
nz	172
co	149
ca	138
nl	122
de	121
se	95
me	88
church	87
br	73
xyz	70
it	60
pl	56
fr	54
us	50
ch	49
eu	45

Country	Sites
🇺🇸 United States	8,812
Unknown	1,057
🇦🇺 Australia	496
🇬🇧 United Kingdom	216
🇳🇿 New Zealand	176
🇨🇦 Canada	154
🇩🇪 Germany	138
🇳🇱 Netherlands	132
🇸🇪 Sweden	98
🇧🇷 Brazil	74
🇫🇷 France	72
🇮🇹 Italy	63
🇵🇱 Poland	58
🇨🇭 Switzerland	52
🇩🇰 Denmark	42
🇨🇿 Czech Republic	39
🇳🇴 Norway	39
🇯🇵 Japan	38
🇧🇪 Belgium	37
🇪🇸 Spain	37
🇮🇳 India	35
🇿🇦 South Africa	31
🇫🇮 Finland	27
🇸🇬 Singapore	27
🇮🇸 Iceland	22