Websites Powered by WebAssembly

3,063 websites tracked using WebAssembly (Programming languages) · webassembly.org

WebAssembly is a programming language the site's backend is built in. Its official site is webassembly.org. PoweredBy tracks the websites that use WebAssembly across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the programming languages ecosystem.

Usage trend

Domains observed using WebAssembly in each month's HTTP Archive crawl, Mar 2023 to Oct 2026 · peak 1,350 in Nov 2023. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 2.7 s INP 125 ms CLS 0.05 TTFB 600 ms

Median site among 1,230 WebAssembly sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 419
Brazil 403
India 278
United Kingdom 263
Indonesia 239
Germany 235
Canada 229
France 213

Sites using WebAssembly by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Games 0.06% 4
Software and apps 0.01% 19
Non-profit and religious <0.01% 1
Finance and insurance <0.01% 2
Sports and fitness <0.01% 2
Education <0.01% 4
Arts and entertainment <0.01% 3
Retail <0.01% 11
Professional services <0.01% 1
Healthcare <0.01% 2
Automotive <0.01% 1
Restaurants and food <0.01% 1

Share of each industry's websites with a detected stack that use WebAssembly; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 2% · 9 of 372 sites
8+ <1% · 24 of 7,677 sites
7+ <1% · 40 of 45,712 sites
6+ <1% · 65 of 110,136 sites
5+ <1% · 87 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running WebAssembly in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using WebAssembly

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
301 alpinecars.ma 1.23/10 - 2 Oct 2026
302 mosaicalpha.com 1.23/10 - - May 2025
303 legendsofkingdomrush.com 1.22/10 - - Oct 2023
304 bas.com.ar 1.22/10 - - Oct 2023
305 rubisenergia.pt 1.22/10 - - Oct 2023
306 betrnkonline.com 1.21/10 - - Dec 2024
307 acsa.com.sv 1.21/10 - 7 Aug 2024
308 pishock.com 1.19/10 - - Sep 2025
309 kunoichi-trainer.ninja 1.17/10 - - Oct 2025
310 crystal.tv 1.16/10 - - Oct 2023
311 fegime-catalogues.co.uk 1.15/10 - - Dec 2024
312 aarhusomegn.dk 1.15/10 - - Oct 2023
313 playsbo.com 1.13/10 - - Feb 2024
314 plusbolig.dk 1.10/10 - - Oct 2023
315 cordor.be 1.09/10 - - Oct 2023
316 tek789.com 1.08/10 - - Feb 2024
317 dpdl.co.za 1.08/10 - - Oct 2023
318 mray.app 1.08/10 - - Oct 2023
319 dauken.ru 1.08/10 - - Jun 2024
320 macaujc.com 1.06/10 - - Jun 2024
321 remotoapp.es.gov.br 1.06/10 - - Oct 2023
322 bhdcreative.co.uk 1.05/10 - - Mar 2024
323 sibir-maral.ru 1.04/10 - - Sep 2026
324 szdjy.net 1.04/10 - - Nov 2024
325 cryodome.com 1.04/10 - - Sep 2026
326 wooriwonmobile.com 1.02/10 - - May 2025
327 studiowhy.net 1.01/10 - - Oct 2023
328 tecmic.pt 1.01/10 - - Feb 2025
329 wcatravel.com 1.00/10 - - Oct 2023
330 boolean-algebra.com 1.00/10 13,200 1,680 Oct 2023
331 thereghub.com 0.98/10 - - Oct 2023
332 alyaseenagri.com 0.98/10 - - Apr 2025
333 unisf.eu 0.98/10 - - Oct 2023
334 beer555.com 0.97/10 - - Jan 2024
335 vorbo.dk 0.97/10 - - Oct 2023
336 crazy-sensei.com 0.96/10 - - Oct 2023
337 rebirth.games 0.94/10 - - May 2025
338 vejenbolig.dk 0.94/10 - - Oct 2023
339 rostfinance.com 0.92/10 - - Oct 2023
340 msa-auto.pro 0.92/10 - - Oct 2026
341 resultadosnococo.com 0.91/10 - - Jul 2026
342 mathe-leben.de 0.86/10 - - Oct 2023
343 freakcircus.io 0.84/10 - - Aug 2026
344 jwl7777.com 0.83/10 - - Jul 2025
345 djhome.se 0.82/10 - - Jan 2024
346 msot.org 0.81/10 - - Sep 2025
347 rbbh.ba 0.81/10 - - Aug 2025
348 funlux.com 0.81/10 - - Sep 2025
349 local2benefits.org 0.81/10 - - Oct 2023
350 allnowgroup.com 0.79/10 - 1 Aug 2026
351 sinca.com 0.78/10 - - Mar 2025
352 lekh.app 0.78/10 - - Nov 2023
353 resize-image.net 0.78/10 - - Oct 2023
354 sbobethk.com 0.77/10 - - Mar 2026
355 lyihub.com 0.77/10 - - Aug 2026
356 novotalk.com 0.77/10 - - Nov 2025
357 vozdata.com.co 0.75/10 - - Oct 2023
358 freshboxed.com.au 0.75/10 - - Oct 2023
359 imagemeasurement.online 0.74/10 - - Mar 2023
360 seraphicsiren.com 0.74/10 - - May 2026
361 webptogif.com 0.73/10 - - Oct 2023
362 sherconetwork.com 0.73/10 - - Oct 2023
363 nivaclimb.com 0.73/10 - - Jun 2024
364 boligselskabetlangeland.dk 0.73/10 - 1 Feb 2024
365 wuoza.com 0.72/10 - - May 2026
366 amemei9f-lists.top 0.72/10 - - May 2025
367 etsdenis.be 0.72/10 - - Nov 2023
368 innocentwitches.com 0.72/10 - - Oct 2023
369 academybrushware.co.za 0.71/10 2 2 Aug 2026
370 togglit.co.uk 0.71/10 - - Nov 2023
371 obsidianweb.net 0.70/10 - - Apr 2024
372 iqschools.net 0.67/10 - - Jul 2024
373 leo178.com 0.66/10 - - Aug 2025
374 shtebook.net 0.65/10 - - Sep 2025
375 hesjustalittleguy.com 0.65/10 - - Apr 2026
376 pengalamanbaik.com 0.64/10 - - Sep 2025
377 cimbar.org 0.62/10 - - Jan 2024
378 fwesi.de 0.61/10 - - Nov 2023
379 bravosunday.com 0.60/10 - - Feb 2024
380 raqueta.ru 0.58/10 - - Aug 2026
381 judgeszone.com 0.58/10 - - Oct 2023
382 nexus-business.com 0.58/10 - - Feb 2025
383 alphatrustnet.gr 0.57/10 - - Oct 2023
384 anantalaut.com 0.56/10 - - Aug 2024
385 xtend.my.id 0.55/10 - - Apr 2026
386 gaifun888.tw 0.55/10 - - Nov 2025
387 mindset.game 0.54/10 - - Sep 2025
388 622coffee.com 0.54/10 - - Feb 2026
389 expertsassuolo.it 0.52/10 - - Aug 2026
390 esebolig.dk 0.51/10 - - Sep 2026
391 560bet.com 0.50/10 - - May 2024
392 u16888.com 0.50/10 - - Jan 2024
393 indiashoppe.com 0.50/10 - - Oct 2024
394 retailposadvantage.com.au 0.49/10 - - Nov 2024
395 tdsauto.pt 0.48/10 - - Sep 2025
396 faztpay.com 0.47/10 - - Oct 2023
397 mitgivskudzoo.dk 0.47/10 - - Oct 2023
398 myravey.com.ua 0.47/10 - - Dec 2023
399 douile.com 0.46/10 - - Oct 2023
400 officielkaratemagazine.com 0.46/10 - - Sep 2024

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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