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Sites built with Emscripten

4 launches via launch platforms Category: Javascript Library #119 of 268 in Javascript Library First seen: May 3, 2026 Last seen: Jul 7, 2026

WASM compiler toolchain; /userfs is Emscripten's persistent virtual filesystem IndexedDB

Found via: Hacker News 4 · StackScope Wider Web 8

View: Launch platforms All sources StackScope Discovery StackScope Wider Web
Last 7 days 0.0% -0.0pp
Most used with Cloudflare DNS, Cloudflare, Cloudflare Web Analytics

Emscripten has been detected on 4 launches since first appearing in May 2026. Most recent detection: Jordanjordanjordan, on July 7, 2026.

It's most commonly paired with Cloudflare DNS, Cloudflare, and Cloudflare Web Analytics.

Share of new launches using Emscripten

Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.

0.0%
last 7 days
-0.0pp vs prior week
0.0%
July so far
1 of 11,137 launches
4
launches all time
since May 2026
Emscripten daily detection trend 5% 2% 0% May Jun Jul Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery. Apr 26 · 0 / 377 = 0.0% Apr 27 · 0 / 529 = 0.0% Apr 28 · 0 / 836 = 0.0% Apr 29 · 0 / 658 = 0.0% Apr 30 · 0 / 573 = 0.0% May 1 · 0 / 568 = 0.0% May 2 · 0 / 368 = 0.0% May 3 · 1 / 346 = 0.3% May 4 · 0 / 536 = 0.0% May 5 · 0 / 855 = 0.0% May 6 · 0 / 671 = 0.0% May 7 · 0 / 624 = 0.0% May 8 · 0 / 597 = 0.0% May 9 · 0 / 428 = 0.0% May 10 · 0 / 350 = 0.0% May 11 · 0 / 536 = 0.0% May 12 · 0 / 797 = 0.0% May 13 · 0 / 687 = 0.0% May 14 · 0 / 625 = 0.0% May 15 · 0 / 542 = 0.0% May 16 · 0 / 407 = 0.0% May 17 · 0 / 367 = 0.0% May 18 · 0 / 566 = 0.0% May 19 · 0 / 846 = 0.0% May 20 · 0 / 674 = 0.0% May 21 · 0 / 606 = 0.0% May 22 · 0 / 546 = 0.0% May 23 · 0 / 378 = 0.0% May 24 · 0 / 341 = 0.0% May 25 · 0 / 535 = 0.0% May 26 · 0 / 877 = 0.0% May 27 · 0 / 683 = 0.0% May 28 · 0 / 577 = 0.0% May 29 · 0 / 486 = 0.0% May 30 · 0 / 377 = 0.0% May 31 · 0 / 368 = 0.0% Jun 1 · 0 / 619 = 0.0% Jun 2 · 1 / 927 = 0.1% Jun 3 · 0 / 711 = 0.0% Jun 4 · 0 / 598 = 0.0% Jun 5 · 0 / 578 = 0.0% Jun 6 · 0 / 436 = 0.0% Jun 7 · 0 / 405 = 0.0% Jun 8 · 0 / 511 = 0.0% Jun 9 · 0 / 872 = 0.0% Jun 10 · 0 / 725 = 0.0% Jun 11 · 0 / 573 = 0.0% Jun 12 · 0 / 445 = 0.0% Jun 13 · 0 / 381 = 0.0% Jun 14 · 0 / 346 = 0.0% Jun 15 · 0 / 530 = 0.0% Jun 16 · 0 / 1047 = 0.0% Jun 17 · 0 / 899 = 0.0% Jun 18 · 0 / 672 = 0.0% Jun 19 · 0 / 544 = 0.0% Jun 20 · 0 / 443 = 0.0% Jun 21 · 0 / 384 = 0.0% Jun 22 · 1 / 574 = 0.2% Jun 23 · 0 / 899 = 0.0% Jun 24 · 0 / 739 = 0.0% Jun 25 · 0 / 619 = 0.0% Jun 26 · 0 / 533 = 0.0% Jun 27 · 0 / 433 = 0.0% Jun 28 · 0 / 385 = 0.0% Jun 29 · 0 / 503 = 0.0% Jun 30 · 0 / 803 = 0.0% Jul 1 · 0 / 799 = 0.0% Jul 2 · 0 / 604 = 0.0% Jul 3 · 0 / 498 = 0.0% Jul 4 · 0 / 411 = 0.0% Jul 5 · 0 / 367 = 0.0% Jul 6 · 0 / 552 = 0.0% Jul 7 · 1 / 929 = 0.1% Jul 8 · 0 / 752 = 0.0% Jul 9 · 0 / 691 = 0.0% Jul 10 · 0 / 566 = 0.0% Jul 11 · 0 / 450 = 0.0% Jul 12 · 0 / 397 = 0.0% Jul 13 · 0 / 553 = 0.0% Jul 14 · 0 / 885 = 0.0% Jul 15 · 0 / 740 = 0.0% Jul 16 · 0 / 820 = 0.0% Jul 17 · 0 / 658 = 0.0% Jul 18 · 0 / 465 = 0.0%
Apr 26, 2026 84 days Jul 18, 2026

How StackScope detects technologies

⋮ Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery.

Javascript Library leaders

Tool % of launches % of category
#1 Motion 3.84% 27.40%
#2 – jQuery 3.71% 26.47%
#3 React Router 2.95% 21.04%
#4 – TanStack Router 1.10% 7.83%
#5 ▼2 GSAP 1.01% 7.18%
…
#119 ▼57 Emscripten Current page 0.01% 0.04%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Javascript Library tool.Among June launches it ranked #83 in Javascript Library, down from #26 in May. All 268 in Javascript Library →

Often used with

Tool Launches
Cloudflare DNS 2
Cloudflare 2
Cloudflare Web Analytics 2
HTTP/3 2
Google Workspace 1

Tools most often detected on the same launches as Emscripten.

Most recent of 4 launches using Emscripten

Screenshot of Jordanjordanjordan, a launch using Emscripten Jordanjordanjordan Jul 7, 2026 · score 2.6 Content Screenshot of Leereilly, a launch using Emscripten Leereilly Jun 22, 2026 · score 4.3 Games Screenshot of Topdog-dev, a launch using Emscripten Topdog-dev Jun 2, 2026 · score 2.7 Games Screenshot of Tidal town, a launch using Emscripten Tidal town May 3, 2026 · score 3.3 India Games
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