PageSourceSearch

JavaScript libraries

Websites using DuckDB-Wasm

DuckDB-Wasm runs the DuckDB analytical database in the browser. About 112 websites in the PageSourceSearch index contain the code that reveals it; the 50 highest-ranked are listed below.

How is DuckDB-Wasm detected?

The page loads @duckdb/duckdb-wasm from a CDN. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:

duckdb-wasm Search the index for it

A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About DuckDB-Wasm

Top 50 websites using DuckDB-Wasm

Ranked by the domain's position in the crawl's ranked list (Common Crawl harmonic centrality), highest first. view source opens the stored page or script with the match highlighted. Computed 2026-09-29 19:24:42 UTC.

#WebsiteRankFound in
1 duckdb.org 7,648 html https://duckdb.org/install/ view source profile
2 wifo.ac.at 26,350 js https://data-science.wifo.ac.at/observable/fg1-de/runtime.js view source profile
3 merginit.com 112,766 js https://merginit.com/_app/immutable/chunks/B3HakIlQ.js view source profile
4 formulashq.com 189,595 js https://app.formulashq.com/_next/sta…961.00c6b40a99af383b.js view source profile
5 socialcluster.ru 193,468 js https://socialcluster.ru/packs/js/ap…5aec444ec99ec4b26945.js view source profile
6 python-fiddle.com 194,922 js https://python-fiddle.com/_nuxt/Boh6rmHw.js view source profile
7 tinycrafts.ai 318,201 html https://tinycrafts.ai/ view source profile
8 abortionfinder.org 394,487 js https://www.abortionfinder.org/asset…geUsaAccess-Dxm_Jppy.js view source profile
9 data.gov.my 416,835 js https://data.gov.my/_next/static/chu…219.2215e572b9210f36.js view source profile
10 rxdb.info 428,464 js https://rxdb.info/assets/js/8b0a0922.436a266f.js view source profile
11 domoritz.de 431,032 html https://www.domoritz.de/projects/ view source profile
12 partyrock.aws 431,090 js https://partyrock.aws/website/fe7fe6…/VisualContent.js view source profile
13 benschmidt.org 453,889 js https://benschmidt.org/_app/immutabl…kdb-browser.B-A5n9Vx.js view source profile
14 futureverse.org 473,376 js https://www.futureverse.org/site_lib…/quarto-ojs-runtime.js view source profile
15 sqlfluff.com 485,495 js https://www.sqlfluff.com/stats/_obse…/client.fbe0eb77.js view source profile
16 motherduck.com 521,627 html https://motherduck.com/duckdb-news/ view source profile
17 php.cn 629,330 html https://www.php.cn/article.html view source profile
18 grocer.nz 1,050,498 js https://grocer.nz/assets/server-mv8fY-CY.js view source profile
19 cosmograph.app 1,229,504 js https://cosmograph.app/_next/static/…tor-7fc5ab6b730a492c.js view source profile
20 wvlet.org 1,821,721 js https://wvlet.org/wvlet/assets/js/2527edef.56b6ddf9.js view source profile
21 minimed.com 1,821,976 js https://carelink.minimed.com/main.0b1f96269251808f.js view source profile
22 evidence.dev 1,824,489 js https://evidence.dev/_app/immutable/nodes/34.CHmbL6dL.js view source profile
23 datadesk.eco 1,836,149 js https://research.datadesk.eco/media/…/duckdb-DdIrohba.js view source profile
24 cloudspecs.fyi 1,840,377 js https://cloudspecs.fyi/assets/index-BcQLwTZv.js view source profile
25 marksmath.org 1,873,510 js https://marksmath.org/site_libs/quar…/quarto-ojs-runtime.js view source profile
26 fused.io 1,918,789 js https://docs.fused.io/assets/js/main.c6df1470.js view source profile
27 tobilg.com 1,921,693 html https://tobilg.com/ view source profile
28 definite.app 1,924,186 html https://www.definite.app/ view source profile
29 tristanbereau.com 1,945,660 js https://tristanbereau.com/site_libs/…/quarto-ojs-runtime.js view source profile
30 jvcasillas.com 1,948,307 js https://www.jvcasillas.com/site_libs…/quarto-ojs-runtime.js view source profile
31 bedeverewise.app 1,956,798 js https://bedeverewise.app/assets/DuckDBService-C9CbjB7f.js view source profile
32 datakit.page 1,961,739 js https://datakit.page/assets/index-B9VCGl8_.js view source profile
33 opensheet.app 1,962,756 js https://opensheet.app/assets/index-BIvPS-xh.js view source profile
34 csvtodashboard.com 1,963,136 js https://csvtodashboard.com/bundle.js view source profile
35 dbxlite.com 1,963,146 html https://dbxlite.com/docs/examples/ view source profile
36 boilstream.com 1,963,781 js https://docs.boilstream.com/assets/c…chIndexroot.-O9GXc3H.js view source profile
37 exploremydata.com 1,963,816 js https://exploremydata.com/assets/analysisDuckdb-CAJtJGPz.js view source profile
38 geosql.dev 1,964,023 js https://geosql.dev/js/app.js?v=14 view source profile
39 gosqas.org 1,966,842 js https://gosqas.org/_nuxt/CdGsp4Gh.js view source profile
40 a5geo.org 1,969,846 js https://a5geo.org/assets/js/2c0e3670.ed24f5e4.js view source profile
41 teresaibarra.com 1,981,660 js https://teresaibarra.com/texts/_observablehq/client.js view source profile
42 mehdio.com 1,982,975 html https://www.mehdio.com/blog view source profile
43 calcwithdec.dev 2,014,190 js https://calcwithdec.dev/site_libs/qu…/quarto-ojs-runtime.js view source profile
44 dekart.xyz 2,030,699 html https://dekart.xyz/blog/ view source profile
45 duyknguyen.com 2,037,607 js https://duyknguyen.com/_observablehq/client.0e65354b.js view source profile
46 query.farm 2,038,236 html https://query.farm/blog/ view source profile
47 calculang.dev 2,047,751 js https://calculang.dev/site_libs/quar…/quarto-ojs-runtime.js view source profile
48 thestateoftdd.org 2,052,807 js https://thestateoftdd.org/results/_observablehq/client.js view source profile
49 eskerda.com 2,054,754 html https://eskerda.com/ view source profile
50 terrier.dev 2,054,768 html https://www.terrier.dev/ view source profile

How it appears in the source

From duckdb.org (html):

<pre><code class="language-bash" data-lang="bash"><span class="nb">npm </span>install @duckdb/duckdb-wasm</code></pre></figure></div><div class="lts"     data-environment="wasm"     data-docs="/docs/l

See every site: search for duckdb-wasm

Questions about finding DuckDB-Wasm

How does PageSourceSearch know a website uses DuckDB-Wasm?
By the source itself: The page loads @duckdb/duckdb-wasm from a CDN. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
Is this a complete list of websites using DuckDB-Wasm?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 112 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
How do I find websites that use DuckDB-Wasm together with another technology?
Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example duckdb-wasm with wp-content/plugins/ lists the WordPress sites that use DuckDB-Wasm.