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Fly.io on new websites

Developer-focused hosting platform that runs apps and Postgres on a global edge network.

#20 of 4758 in Hosting In our data since Apr 2026 Last seen: Oct 16, 2026 Most recent launch: Sunroom, Oct 16, 2026 Website: fly.io

8,410 sites

7,895 found by StackScope, 515 via launch platforms

StackScope Wider Web 4,073 StackScope Discovery (Indie) 3,822 Product Hunt 325 Hacker News 98 Other 59 PeerPush 33
  • StackScope Wider Web 4,073
  • StackScope Discovery (Indie) 3,822
  • Product Hunt 325
  • Hacker News 98
  • Other 59
  • PeerPush 33
View: All sites All launches Launch platforms StackScope Discovery StackScope Wider Web

Fly.io appeared on about 2,600 new sites in the last 30 days.

These figures cover websites that went live since April 2026, not the web as a whole.

Stackdar alerts

Get told when a new site ships with Fly.io.

2,560 new sites with Fly.io first seen in the last 30 days.

Stackdar watches every launch we detect and sends you the ones using Fly.io, by email, Slack or webhook. On every plan, from £15 a month.

See how alerts work

Share of new sites using Fly.io

Each dot is one launch day. Line is the 7-day rolling average; weekly averages before July 2026.

0.1%
last 7 days
-0.0pp vs prior week
0.1%
30 days to Oct 15
+0.0pp vs 30 days before
8,410
sites all time
since Apr 2026
Fly.io daily detection trend Before 8 July 2026: launch platforms only. We began crawling the wider web on this date, so the cohort this share is measured against changes here. 10 September 2026: we improved our infrastructure to index new sites much sooner, often on the day they go live, so the cohort this share is measured against changes here. 5% 2% 0% Apr May Jun Jul Aug Sep Oct Weekly averages before this point, daily after. Jul 18 · 61 / 24700 = 0.2% Jul 19 · 51 / 27640 = 0.2% Jul 20 · 54 / 23851 = 0.2% Jul 21 · 37 / 22944 = 0.2% Jul 22 · 62 / 24372 = 0.3% Jul 23 · 42 / 18101 = 0.2% Jul 24 · 28 / 13980 = 0.2% Jul 25 · 18 / 9550 = 0.2% Jul 26 · 65 / 21750 = 0.3% Jul 27 · 71 / 37233 = 0.2% Jul 28 · 87 / 41885 = 0.2% Jul 29 · 87 / 53559 = 0.2% Jul 30 · 82 / 48256 = 0.2% Jul 31 · 111 / 56048 = 0.2% Aug 1 · 94 / 54886 = 0.2% Aug 2 · 95 / 53850 = 0.2% Aug 3 · 85 / 52614 = 0.2% Aug 4 · 80 / 40704 = 0.2% Aug 5 · 41 / 35346 = 0.1% Aug 6 · 51 / 39149 = 0.1% Aug 7 · 53 / 40250 = 0.1% Aug 8 · 63 / 42805 = 0.1% Aug 9 · 62 / 37777 = 0.2% Aug 10 · 60 / 32323 = 0.2% Aug 11 · 57 / 34557 = 0.2% Aug 12 · 63 / 37135 = 0.2% Aug 13 · 64 / 55468 = 0.1% Aug 14 · 68 / 56751 = 0.1% Aug 15 · 74 / 55907 = 0.1% Aug 16 · 92 / 56270 = 0.2% Aug 17 · 74 / 45696 = 0.2% Aug 18 · 92 / 56636 = 0.2% Aug 19 · 65 / 51679 = 0.1% Aug 20 · 86 / 68973 = 0.1% Aug 21 · 112 / 93843 = 0.1% Aug 22 · 104 / 94188 = 0.1% Aug 23 · 99 / 93592 = 0.1% Aug 24 · 90 / 81708 = 0.1% Aug 25 · 88 / 71529 = 0.1% Aug 26 · 101 / 66854 = 0.2% Aug 27 · 135 / 87832 = 0.2% Aug 28 · 99 / 87905 = 0.1% Aug 29 · 116 / 88061 = 0.1% Aug 30 · 123 / 100668 = 0.1% Aug 31 · 105 / 100235 = 0.1% Sep 1 · 132 / 103413 = 0.1% Sep 2 · 152 / 108914 = 0.1% Sep 3 · 140 / 103275 = 0.1% Sep 4 · 124 / 98530 = 0.1% Sep 5 · 134 / 102853 = 0.1% Sep 6 · 113 / 89271 = 0.1% Sep 7 · 86 / 86119 = 0.1% Sep 8 · 114 / 77964 = 0.1% Sep 9 · 100 / 75510 = 0.1% Sep 10 · 94 / 83643 = 0.1% Sep 11 · 147 / 85544 = 0.2% Sep 12 · 71 / 56763 = 0.1% Sep 13 · 80 / 57987 = 0.1% Sep 14 · 77 / 59224 = 0.1% Sep 15 · 82 / 58180 = 0.1% Sep 16 · 63 / 58939 = 0.1% Sep 17 · 77 / 56745 = 0.1% Sep 18 · 57 / 53080 = 0.1% Sep 19 · 53 / 45268 = 0.1% Sep 20 · 64 / 44755 = 0.1% Sep 21 · 89 / 51659 = 0.2% Sep 22 · 68 / 55401 = 0.1% Sep 23 · 82 / 58304 = 0.1% Sep 24 · 63 / 53457 = 0.1% Sep 25 · 77 / 50756 = 0.2% Sep 26 · 100 / 101513 = 0.1% Sep 27 · 85 / 52130 = 0.2% Sep 28 · 101 / 61105 = 0.2% Sep 29 · 125 / 77847 = 0.2% Sep 30 · 101 / 69707 = 0.1% Oct 1 · 92 / 69219 = 0.1% Oct 2 · 87 / 64714 = 0.1% Oct 3 · 85 / 53731 = 0.2% Oct 4 · 70 / 52048 = 0.1% Oct 5 · 113 / 63685 = 0.2% Oct 6 · 96 / 67582 = 0.1% Oct 7 · 90 / 67654 = 0.1% Oct 8 · 97 / 69304 = 0.1% Oct 9 · 87 / 70336 = 0.1% Oct 10 · 95 / 60630 = 0.2% Oct 11 · 108 / 65589 = 0.2% Oct 12 · 77 / 66620 = 0.1% Oct 13 · 78 / 70915 = 0.1% Oct 14 · 90 / 70641 = 0.1% Oct 15 · 90 / 93404 = 0.1%
Mar 30, 2026 90 days Oct 15, 2026

The shaded areas were measured against a different set of sites, so the line can step there without Fly.io itself changing.

Coverage details

Before the dashed line where the dots begin, the line is a weekly average. After it, the last 90 days are shown one day at a time.

Grey: before 8 July 2026, we only tracked launches from launch platforms. From that date we crawl the wider web as well.

Amber: 8 July to 10 September 2026, before we improved our infrastructure to index new sites much sooner, often on the day they go live. Sites found that early often haven't finished setting up, so anything usually added after launch reads lower from 10 September. We record each site as it was when we found it.

The share is a proportion of whatever we were tracking at the time. For a single continuous measure, switch to launch platforms.

How StackScope detects technologies

What kind of sites use Fly.io

3,863 sites with a known type, all time

Developer Tools
11.4%
Productivity
11.4%
E-commerce
11.1%
Games
8.8%
Health
8.8%
Finance
8.6%
Marketing
7.3%
AI
6.9%
Education
6.9%
Social
6.0%
Content
5.3%
Crypto
2.8%
Hiring & HR
2.5%
Design
1.4%
Directory
0.9%

Domain endings using Fly.io

8,399 sites, all time

  • .com 48.3%
  • .app 11.7%
  • .ai 5.3%
  • .io 4.6%
  • .dev 3.9%
  • .org 2.6%
  • .co 2.2%
  • .uk 2.2%
  • .net 2.0%
  • .xyz 1.6%
  • .ca 1.6%
  • .us 1.5%
  • .online 1.4%
  • .site 1.0%
  • .me 0.8%

Country

Country likely for 949 of 8,410 sites (11.3%), all time.

How we know

Country comes from what each site says about itself, such as a company registration, legal terms or a phone number, not just its domain ending. Too few sites state their country plainly for the usual count, so this one also counts single signals: a country domain ending, a phone number (for North America, its area code), a location the site declares in its own page metadata, or a country-specific vendor stack and the page language where they agree and nothing contradicts them. Read these as likely rather than certain.

  • United Kingdom United Kingdom 21.9%
  • United States United States 18.8%
  • Canada Canada 10.8%
  • France France 7.3%
  • India India 4.9%
  • Australia Australia 4.7%
  • Sweden Sweden 3.9%
  • Brazil Brazil 3.7%
  • New Zealand New Zealand 3.6%
  • Japan Japan 2.3%
  • Switzerland Switzerland 2.2%
  • South Korea South Korea 1.6%
  • Netherlands Netherlands 1.4%
  • Germany Germany 1.3%
  • Ireland Ireland 1.2%

Green hosting

515 checked sites since Apr 2026.

What this means

The share whose web host The Green Web Foundation lists as running on green energy, against the average for every new site we checked.

  • Fly.io 24%
  • Average 47%

Hosting leaders

Tool % of sitesall time % of categoryall time
#1 – Vercel 13.1% 32.8%
#2 – Hostinger 8.7% 21.7%
#3 – Netlify 4.8% 11.9%
#4 ▼1 GitHub Pages 1.9% 4.8%
#5 ▲1 IONOS 1.8% 4.5%
…
#20 ▲2 Fly.io Current page 0.1% 0.4%

Percentages show all-time adoption across the new sites we track: the share of all of them, and of the sites using any Hosting tool.The most common alternatives to Fly.io on new websites are Vercel and Hostinger.Among September launches it ranked #20 in Hosting, up from #22 in August. All 4758 in Hosting → Related categories: CDN

Often used with

Tool Sites vs all new sites
Resend 1,511 4.2x

Tools that turn up far more often on Fly.io sites than on new sites in general, and how many times as common each one is there.

Recent launches using Fly.io

4,337 of the 8,410 sites using Fly.io are product launches we list individually. The other 4,073 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. They are included in the StackScope API and in Stackdar alerts. How StackScope Discovery works

Sunroom Oct 16, 2026 · Social Also detected Cloudflare DNS Google Fonts DataValue – Other companies buy the records you already keep Oct 16, 2026 Also detected Cloudflare DNS Cloudflare Email Routing CodiVAG — Parameter Datasets Oct 16, 2026 Birdy Oct 16, 2026 · Social Also detected Nuxt Vue.js AWS Route 53 ImprovMX ConsentLeak | Free consent leak check for online stores Oct 16, 2026 · E-commerce Also detected Cloudflare DNS Resend Pellows · book your stay in the thread you already use Oct 16, 2026 Also detected Namecheap DNS Namecheap Email Forwarding تفضّل · موظف الاستقبال الذكي لبزنسك Oct 16, 2026 Also detected Cloudflare DNS Google Fonts Google Search Console Google Workspace DevCompanion · Track every lot, from anywhere Oct 16, 2026 Also detected Anthropic Cloudflare RideVault — used bikes in the UK and Kenya Oct 16, 2026 Also detected Cloudflare Fontshare IONOS Lucide Icons OurCommunity — one directory and one calendar for all your local groups Oct 16, 2026 Also detected Cloudflare DNS Cloudflare Email Routing Resend Axioms · Turn any post into a rule you live by Oct 16, 2026 · Productivity Also detected GoDaddy DNS Google Search Console Google Workspace Korejski za mene · online tečaj korejskog Oct 16, 2026 Also detected Next.js React Cloudflare DNS

Showing the most recent 12 of 4,337.

The StackScope API serves all 8,410 sites using Fly.io, filterable and exportable, from £15 a month.

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.