PageSourceSearch / Technologies / JavaScript libraries / Day.js JavaScript libraries
Websites using Day.js
Day.js is a 2 kB date library with a Moment.js-compatible API.
About 21,878 websites in the PageSourceSearch index contain the code that reveals it; the 50 highest-ranked are listed below.
How is Day.js detected?
The page loads dayjs.min.js and its code calls dayjs(. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:
dayjs 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 Day.js
Top 50 websites using Day.js
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 19:21:44 UTC.
# Website Rank Found in
1
tiktok.com 25
html https://www.tiktok.com/
view source profile
2
thomsonreuters.com 315
js https://legal.thomsonreuters.com/etc…ddc9b3a91ab1e-lc.min.js
view source profile
3
hbr.org 340
js https://hbr.org/_next/static/chunks/3clgkfsggsps4.js
view source profile
4
kaggle.com 350
js https://www.kaggle.com/static/assets…057.bb5f443d1024926e.js
view source profile
5
ourworldindata.org 407
js https://ourworldindata.org/assets/owid.mjs
view source profile
6
straitstimes.com 441
js https://www.straitstimes.com/assets/components-JSzoenoU.js
view source profile
7
odysee.com 477
js https://odysee.com/public/assets/app-5r5pIz90.js
view source profile
8
peatix.com 484
js https://cdn.peatix.com/assets/produc…rofileStore-CBaVsqDc.js
view source profile
9
proofpoint.com 501
js https://app.emaildefense.proofpoint.…/575.4ea107ab.chunk.js
view source profile
10
forrester.com 552
js https://www.forrester.com/web-fe-central-static/main.js
view source profile
11
zeffy.com 577
js https://www.zeffy.com/_next/static/chunks/25kjymel__ygc.js
view source profile
12
nyc.gov 592
js https://www.nyc.gov/etc.clientlibs/n…4e4fe2511ec884677298.js
view source profile
13
worldcat.org 615
js https://search.worldcat.org/_next/st…604-40360f8f8887a4ac.js
view source profile
14
adelaide.edu.au 648
js https://adelaide.edu.au/etc.clientli…b3b1e8e4e10a5-lc.min.js
view source profile
15
rt.com 661
html https://www.rt.com/news/
view source profile
16
neocities.org 678
html https://neocities.org/about
view source profile
17
globenewswire.com 701
js https://www.globenewswire.com/bundle…pI0GG9VI5NN55UmUCS1c-Y1
view source profile
18
bunny.net 739
js https://dash.bunny.net/chunk-5ZXJFCP4.js
view source profile
19
ncaa.com 838
html https://www.ncaa.com/
view source profile
20
usaspending.gov 843
js https://www.usaspending.gov/461.4d36744d160c16fda142.js
view source profile
21
hp.com 881
js https://support.hp.com/wcc-assets/sr…_ts.e220623b0d86d7e4.js
view source profile
22
ascd.org 911
js https://ascd.org/_next/static/chunks…900-79b3fb13e8f8aa55.js
view source profile
23
vedomosti.ru 922
js https://cdn10.vedomosti.ru/1.7.161/a…esCardsList-a3ea2651.js
view source profile
24
moe.gov.sg 1,008
js https://www.moe.gov.sg/_next/static/chunks/1b8z4z__gnnuq.js
view source profile
25
fastly.com 1,034
js https://manage.fastly.com/_package/c…d34d7f6066df7116/app.js
view source profile
26
visa.com 1,113
js https://destinations.visa.com/destin…38a3974c91cdd32ab8c4.js
view source profile
27
smotrim.ru 1,144
js https://cdn.smotrim.ru/static/assets/_nuxt/Bz8wT4n7.js
view source profile
28
xero.com 1,203
js https://www.xero.com/_next/static/ch…5a4.35c1d43e1080f711.js
view source profile
29
geeksforgeeks.org 1,208
js https://assets.geeksforgeeks.org/gfg…451-ea182dc02fadbd7f.js
view source profile
30
datatables.net 1,325
js https://cdn.datatables.net/v/dt/mome…/datatables.min.js
view source profile
31
business.gov.au 1,432
js https://business.gov.au/content/dist…?bust_js_cache=20:24:08
view source profile
32
hostinger.com 1,494
js https://www.hostinger.com/blog/wp-co…?ver=1790187833
view source profile
33
opendorse.com 1,533
js https://opendorse.com/_next/static/c…app-c5ef69449420eb06.js
view source profile
34
deepseek.com 1,842
js https://deepseek.com/_next/static/ch…767-6ac1711026464664.js
view source profile
35
vercel.com 1,911
js https://vercel.com/_next/static/immu…/11drcv_usn6zm.js
view source profile
36
klarna.com 1,917
js https://owp.klarna.com/static/fabric-16-1429a1c3.js
view source profile
37
workday.com 2,054
js https://static.community.workday.com…/coveo/v3/headless.js
view source profile
38
instructables.com 2,077
js https://www.instructables.com/assets…/dates-CRce6Lmv.js
view source profile
39
nsw.gov.au 2,199
js https://account.service.nsw.gov.au/_…/1ia2qdbsy5cfy.js
view source profile
40
appsflyer.com 2,229
js https://cdn.appsflyer.com/auth/vendo…f84575331d9d5812_dev.js
view source profile
41
uefa.com 2,273
js https://www.uefa.com/CompiledAssets/…c3613e6ca6613750cdd85ab
view source profile
42
abs.gov.au 2,318
js https://www.abs.gov.au/libraries/Hig…/exceljs.min.js?v=1.05
view source profile
43
alipay.com 2,321
html https://www.alipay.com/
view source profile
44
apnic.net 2,341
js https://orbit.apnic.net/static/commu…/js/ProfileSummary.js
view source profile
45
cpsc.gov 2,346
html https://www.cpsc.gov/
view source profile
46
itch.io 2,364
js https://static.itch.io/browse_games.min.js?1790228461
view source profile
47
illinois.gov 2,494
js https://www.illinois.gov/etc.clientl…d50985335592166ed10d.js
view source profile
48
redbull.com 2,764
js https://www.redbull.com/v3/resources…5d6848f2901db379a6da.js
view source profile
49
awin.com 2,772
js https://www.awin.com/assets/eventAgendaBlock.DWkSLxSV.js
view source profile
50
headspace.com 2,848
js https://checkout.headspace.com/static/js/index-u1xuQEQz.js
view source profile
How it appears in the source
From tiktok.com (html):
.5367b846.js"],"action-bar":["static/js/async/npm-icons-shared.672f2dd1.js","static/js/async/npm-dayjs.22f083e7.js","static/js/async/65728.bf39d898.js","static/js/async/95047.feadcf44.js","static/js/a
See every site: search for dayjs
Questions about finding Day.js
How does PageSourceSearch know a website uses Day.js?
By the source itself: The page loads dayjs.min.js and its code calls dayjs(. 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 Day.js?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 21,878 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 Day.js 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 dayjs with wp-content/plugins/ lists the WordPress sites that use Day.js.