Websites using WebAssembly
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.
334 live WebAssembly sites, ready to export.
That's how many WebAssembly websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every WebAssembly 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 WebAssembly websites on .com domains.
Only sites where an organisation phone number was found.
Websites Using WebAssembly
A sample of live WebAssembly sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| bicho-365.com | September 27, 2026 | |
| ponylivesmatter.cc | September 27, 2026 | |
| nephilim-network.ru | September 26, 2026 | |
| sehomelab.sbs | September 26, 2026 | |
| shadowchaoscontrol.uk | September 26, 2026 | |
| lassecash.com | September 26, 2026 | |
| locklane.ru | September 26, 2026 | |
| ghast.sbs | September 25, 2026 | |
| aialaya.io | September 25, 2026 | |
| ptrioapostas.online | September 25, 2026 |
How many websites use WebAssembly?
We found WebAssembly on 334 websites in our September 2026 crawl, across 26 countries.
Which countries use WebAssembly the most?
By number of websites, the top countries are United States (18%, 59 sites), China (10%, 34 sites), Russia (9%, 31 sites), Germany (8%, 27 sites) and Singapore (6%, 19 sites). Together they account for 51% of the 334 WebAssembly sites we track. 49% of the sites are in English, and .com is the most used domain ending, on 41% of them.
Where are WebAssembly websites hosted?
The networks carrying the most WebAssembly sites are Cloudflare, Inc. (67 sites), Amazon.com, Inc. (33 sites) and Fastly, Inc. (21 sites).
What technologies are used with WebAssembly?
Across the 334 WebAssembly sites we track, the technologies most often found alongside it are HSTS (51%, 169 sites), Nginx (40%, 132 sites), HTTP/3 (34%, 112 sites), Cloudflare (23%, 76 sites) and Cloudflare Browser Insights (10%, 34 sites).
Breakdown of WebAssembly websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
| HSTS | 169 |
Nginx | 132 |
HTTP/3 | 112 |
Cloudflare | 76 |
|
Cloudflare Browser Insights | 34 |
Caddy | 32 |
jQuery | 31 |
Node.js | 25 |
Fastly | 23 |
GitHub Pages | 23 |
Varnish | 23 |
Ubuntu | 21 |
Google Analytics | 20 |
Amazon Web Services | 18 |
ECharts | 17 |
cdnjs | 17 |
jsDelivr | 14 |
Google Tag Manager | 13 |
Amazon CloudFront | 12 |
PHP | 11 |
UmiJs | 11 |
OpenResty | 10 |
React | 10 |
Vue.js | 10 |
|
jQuery Migrate | 10 |
| Language | Sites |
|---|---|
| English | 163 |
| Chinese | 73 |
| Portuguese | 20 |
| Vietnamese | 9 |
| Afrikaans | 6 |
| German | 5 |
| Southern Sotho | 5 |
| Catalan | 2 |
| Welsh | 2 |
| French | 2 |
| Indonesian | 2 |
| Japanese | 2 |
| Latin | 2 |
| Swahili | 2 |
| Esperanto | 1 |
| Lithuanian | 1 |
| Mongolian | 1 |
| Dutch | 1 |
| Norwegian Nynorsk | 1 |
| Russian | 1 |
| Swedish | 1 |
| Tagalog | 1 |
| Turkish | 1 |
| Zulu | 1 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 67 |
| Amazon.com, Inc. | 33 |
| Fastly, Inc. | 21 |
| CTG Server Limited | 16 |
| Hetzner Online GmbH | 13 |
| Centroid Networking Co., Ltd. desc: 7F.-3, NO.119, SEC. 2, MINSHENG E. RD., ZHONGSHAN DIST. | 9 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 8 |
| Akamai Connected Cloud | 7 |
| Zhejiang Taobao Network Co.,Ltd | 7 |
| CHINANET Guangdong province network | 6 |
| Google LLC | 6 |
| ABCDE GROUP | 5 |
| CHINA UNICOM China169 Backbone | 5 |
| Hostkey B.v. | 5 |
| China Telecom | 4 |
| Jsc timeweb | 4 |
| Meteverse Limited. | 4 |
| Aeza Group LLC | 3 |
| CLOUDFLARENET | 3 |
| DigitalOcean, LLC | 3 |
| FDCservers.net | 3 |
| Fornex Hosting S.L. | 3 |
| Kyonix Networks Limited | 3 |
| Microsoft Corporation | 3 |
| OVH SAS | 3 |
| TLD | Sites |
|---|---|
| com | 137 |
| ru | 24 |
| app | 16 |
| io | 14 |
| net | 12 |
| org | 12 |
| dev | 9 |
| online | 8 |
| cn | 6 |
| top | 6 |
| cc | 5 |
| pro | 4 |
| site | 4 |
| tech | 4 |
| xyz | 4 |
| cloud | 3 |
| club | 3 |
| co | 3 |
| info | 3 |
| live | 3 |
| shop | 3 |
| space | 3 |
| uk | 3 |
| vip | 3 |
| ai | 2 |
| Country | Sites |
|---|---|
| Unknown | 90 |
| 🇺🇸 United States | 59 |
| 🇨🇳 China | 34 |
| 🇷🇺 Russia | 31 |
| 🇩🇪 Germany | 27 |
| 🇸🇬 Singapore | 19 |
| 🇭🇰 Hong Kong | 13 |
| 🇹🇼 Taiwan | 13 |
| 🇳🇱 Netherlands | 11 |
| 🇫🇮 Finland | 7 |
| 🇨🇦 Canada | 4 |
| 🇫🇷 France | 4 |
| 🇬🇧 United Kingdom | 4 |
| 🇯🇵 Japan | 3 |
| 🇸🇪 Sweden | 3 |
| 🇧🇪 Belgium | 1 |
| 🇧🇬 Bulgaria | 1 |
| 🇬🇬 Guernsey | 1 |
| 🇮🇸 Iceland | 1 |
| 🇰🇿 Kazakhstan | 1 |
| 🇱🇹 Lithuania | 1 |
| 🇲🇾 Malaysia | 1 |
| 🇳🇴 Norway | 1 |
| 🇳🇿 New Zealand | 1 |
| 🇵🇭 Philippines | 1 |
Other technologies in Programming languages
Programming languages technologies run on 48.66% of the websites we track. WebAssembly ranks #17 of 26, on under 0.01% of Programming languages sites.
-
PHP
22,034,795 sites, 88.93%
-
Node.js
1,278,882 sites, 5.16%
Java
1,098,851 sites, 4.43%
Python
1,031,791 sites, 4.16%
Ruby
313,828 sites, 1.27%
GraphQL
81,639 sites, 0.33%
Perl
52,048 sites, 0.21%
C
33,523 sites, 0.14%
FAQ
Answers drawn from our latest crawl of WebAssembly 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.