Websites Powered by Day.js

141,142 websites tracked using Day.js (JavaScript libraries) · github.com

Day.js is a JavaScript library used to add functionality to web pages. Its official site is github.com. PoweredBy tracks the websites that use Day.js across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.

Usage trend

Domains observed using Day.js in each month's HTTP Archive crawl, Mar 2019 to Sep 2026 · peak 50,801 in Jun 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 55,278 Day.js sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 14,927
Japan 9,148
Taiwan 8,478
India 5,745
United Kingdom 4,842
Germany 4,620
France 3,976
Brazil 3,785

Sites using Day.js by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Real estate 3.71% 2,634
Industrial and manufacturing 1.06% 46
Retail 0.85% 2,572
Education 0.52% 261
Travel and hospitality 0.50% 374
Pets and animals 0.40% 11
Arts and entertainment 0.29% 118
Government 0.26% 21
Games 0.23% 11
Beauty and wellness 0.23% 58
Restaurants and food 0.21% 281
News and media 0.20% 83

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

Top sites by authority

9+ 8% · 31 of 372 sites
8+ 4% · 341 of 7,677 sites
7+ 2% · 982 of 45,712 sites
6+ 1% · 1,621 of 110,136 sites
5+ <1% · 2,376 of 246,751 sites

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

Websites using Day.js

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
2601 greenvines.com.tw 4.72/10 - - Feb 2020
2602 palmaaquarium.com 4.72/10 - - Jul 2023
2603 parkingmycar.it 4.72/10 - - May 2023
2604 ecci.edu.co 4.72/10 - - Feb 2026
2605 bespokehotels.com 4.72/10 3,100 1,720 Oct 2022
2606 pymesyautonomos.com 4.72/10 - - Feb 2020
2607 cuh.ac.in 4.72/10 - - Sep 2024
2608 mitomo.co.jp 4.72/10 - - Jul 2025
2609 cm-tavira.pt 4.72/10 - - Mar 2026
2610 tt-paper.co.jp 4.72/10 - - Jul 2025
2611 osakaymca.or.jp 4.72/10 - - Nov 2020
2612 isem-evolution.fr 4.72/10 - - Feb 2026
2613 ticketclub.pl 4.72/10 - - Mar 2026
2614 toukei.co.jp 4.72/10 - - Nov 2025
2615 unirazak.edu.my 4.72/10 - - Feb 2024
2616 boori.com.au 4.72/10 - - Jan 2023
2617 ltm.com 4.71/10 - - Mar 2026
2618 disneytickets.co.uk 4.71/10 - - Jul 2021
2619 ticketandroll.com 4.71/10 - - Mar 2024
2620 aop.com 4.71/10 10,300 3,476 Jul 2024
2621 chenmed.com 4.71/10 - - Jul 2021
2622 brandshatch.co.uk 4.71/10 - - Oct 2022
2623 rsfh.com 4.71/10 - - Jul 2025
2624 juniv.edu 4.71/10 - - Jul 2025
2625 adaptiveadventures.org 4.71/10 380 114 Jun 2026
2626 akvariet.no 4.71/10 140 17 Jun 2021
2627 santecom.qc.ca 4.71/10 - - Feb 2025
2628 philips.com.hk 4.71/10 - - Jun 2024
2629 alfaisal.edu 4.71/10 300 25 Jul 2025
2630 cagnes.fr 4.71/10 - - Nov 2023
2631 mnews.tw 4.71/10 - - Jan 2026
2632 issste.gob.mx 4.71/10 - - Sep 2023
2633 kntu.kr.ua 4.71/10 - - May 2025
2634 yccc.edu 4.71/10 - - Jun 2025
2635 aidecanada.ca 4.71/10 640 530 Oct 2024
2636 pandalondon.com 4.71/10 - - Oct 2024
2637 aki.gs 4.71/10 - - Jul 2023
2638 northwestcareercollege.edu 4.71/10 - - Sep 2024
2639 wcjc.edu 4.71/10 - - Mar 2024
2640 pyreneeschrono.fr 4.71/10 - - Jan 2026
2641 zendure.de 4.71/10 - - Sep 2026
2642 visitdubrovnik.hr 4.71/10 - - Sep 2023
2643 thebroadviewhotel.ca 4.71/10 - - Dec 2022
2644 accademialascala.it 4.71/10 76 90 Sep 2025
2645 lsue.edu 4.71/10 - - Sep 2026
2646 cruzeirodosulvirtual.com.br 4.71/10 - - Jul 2023
2647 srmap.edu.in 4.71/10 - - Dec 2025
2648 isb.co.jp 4.71/10 - - Jul 2025
2649 pekalongankota.go.id 4.71/10 - - Feb 2023
2650 nittobo.co.jp 4.71/10 - - Jun 2026
2651 kayasieraden.nl 4.71/10 - - Jul 2021
2652 reactadvanced.com 4.70/10 - - Jul 2021
2653 geekworm.com 4.70/10 - - Feb 2024
2654 entryninja.com 4.70/10 - - Mar 2020
2655 getlaunchlist.com 4.70/10 - - Feb 2023
2656 hec.co.kr 4.70/10 - - Aug 2025
2657 disney.gr 4.70/10 - - Nov 2020
2658 phrozen3d.com 4.70/10 - - Nov 2023
2659 babymori.com 4.70/10 1,100 1,602 Aug 2021
2660 sommer-bergbahnen.at 4.70/10 - - Aug 2023
2661 virmp.org 4.70/10 - - Nov 2023
2662 proterial.com 4.70/10 - - Aug 2025
2663 thefantasyfootballers.com 4.70/10 - - Nov 2020
2664 millerhighlife.com 4.70/10 - - Jun 2026
2665 goodwillcolorado.org 4.70/10 - - Aug 2026
2666 oelde.de 4.70/10 - - Aug 2023
2667 sogo.com.tw 4.70/10 - - Jul 2026
2668 davidaustinroses.co.uk 4.70/10 - - Mar 2022
2669 dede.go.th 4.70/10 - - Nov 2022
2670 creative-interventions.org 4.70/10 - - Aug 2026
2671 villenavedornon.fr 4.70/10 - - Mar 2024
2672 nobogura.co.jp 4.70/10 - - Apr 2025
2673 rctc.edu 4.70/10 - - Feb 2023
2674 porrentruy.ch 4.70/10 - - Nov 2023
2675 zwiz.app 4.69/10 - - Sep 2026
2676 cnv.vn 4.69/10 - - Jul 2025
2677 fashiontiy.com 4.69/10 - - Nov 2021
2678 urbanmonkey.com 4.69/10 - - May 2023
2679 apothecanna.com 4.69/10 360 164 Dec 2024
2680 gebeauty.com.br 4.69/10 - - Nov 2024
2681 yonyoucloud.com 4.69/10 - - May 2025
2682 disney.bg 4.69/10 - - Nov 2020
2683 forms-wizard.biz 4.69/10 - - Nov 2021
2684 nosmokeguide.go.kr 4.69/10 - - Nov 2025
2685 southmoney.com 4.69/10 - - Jun 2023
2686 amawebs.com 4.69/10 - 3 Jul 2023
2687 helbling.com 4.69/10 - - Nov 2024
2688 disney.com.tr 4.69/10 - - Feb 2022
2689 umios.com 4.69/10 - - Apr 2026
2690 drawboard.com 4.69/10 - - Mar 2026
2691 disney.be 4.69/10 - - Nov 2020
2692 disney.fi 4.69/10 - - Nov 2020
2693 doulamatch.net 4.69/10 - - Jan 2024
2694 disneyme.com 4.69/10 - - Oct 2020
2695 disney.co.za 4.69/10 - - Nov 2020
2696 westworldaz.com 4.69/10 - - Apr 2025
2697 disney.sg 4.69/10 - - Nov 2020
2698 disney.no 4.69/10 - - Nov 2020
2699 disney.ro 4.69/10 - - Nov 2020
2700 totalwireless.com 4.69/10 - - Jul 2023

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).

Compare Day.js

Related JavaScript libraries

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018