Websites Powered by Backbone.js
445,758 websites tracked using Backbone.js (JavaScript frameworks) · backbonejs.org
Backbone.js is a JavaScript framework for building interactive web applications. Its official site is backbonejs.org. PoweredBy tracks the websites that use Backbone.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 frameworks ecosystem.
Usage trend
50K
100K
150K
200K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Backbone.js in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 164,467 in Nov 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.2 s
INP 75 ms
CLS 0
TTFB 900 ms
Median site among 165,906 Backbone.js sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
64,969
United Kingdom
24,890
India
24,399
Germany
20,838
Canada
20,229
France
18,949
Australia
16,721
Spain
16,378
Sites using Backbone.js by audience country, Chrome UX Report.
Top sites by authority
9+
18% · 66 of 372 sites
8+
12% · 945 of 7,677 sites
7+
7% · 3,083 of 45,712 sites
6+
5% · 5,204 of 110,136 sites
5+
3% · 8,117 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Backbone.js in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Backbone.js
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 701 | uab.cat | 8.22/10 | 5,700 | 4,817 | Sep 2020 |
| 702 | alaska.edu | 8.22/10 | 50,600 | 9,009 | Aug 2018 |
| 703 | uoguelph.ca | 8.22/10 | 21,400 | 14,311 | Oct 2022 |
| 704 | upf.edu | 8.22/10 | 4,700 | 3,555 | Jul 2020 |
| 705 | unisg.ch | 8.22/10 | 6,200 | 3,093 | Jan 2019 |
| 706 | usal.es | 8.22/10 | 3,200 | 1,130 | Oct 2020 |
| 707 | ufsc.br | 8.22/10 | 120 | 86 | Aug 2022 |
| 708 | hearstapps.com | 8.21/10 | - | - | Aug 2022 |
| 709 | mariadb.org | 8.21/10 | 5,800 | 4,685 | Aug 2018 |
| 710 | hse.ie | 8.21/10 | 54,600 | 47,731 | Oct 2025 |
| 711 | ucd.ie | 8.21/10 | 42,700 | 19,975 | Oct 2021 |
| 712 | sorbonne-universite.fr | 8.21/10 | 10,200 | 3,852 | Aug 2022 |
| 713 | bdc.ca | 8.21/10 | 181,200 | 44,189 | Jul 2022 |
| 714 | uba.ar | 8.21/10 | 670 | 586 | Dec 2020 |
| 715 | uc.pt | 8.21/10 | 3,500 | 1,118 | Apr 2023 |
| 716 | wpcomstaging.com | 8.20/10 | - | - | Oct 2022 |
| 717 | iqiyi.com | 8.20/10 | 52 | 311 | Aug 2018 |
| 718 | lendingtree.com | 8.20/10 | 444,100 | 181,813 | Aug 2018 |
| 719 | bangkokpost.com | 8.20/10 | 22,600 | 24,747 | Nov 2023 |
| 720 | reading.ac.uk | 8.20/10 | 15,100 | 12,029 | Aug 2018 |
| 721 | ens-lyon.fr | 8.20/10 | 2,800 | 1,148 | Nov 2021 |
| 722 | tinkoff.ru | 8.19/10 | - | - | Aug 2022 |
| 723 | zscaler.com | 8.19/10 | 52,200 | 11,767 | Aug 2018 |
| 724 | railway.app | 8.19/10 | - | - | Jan 2026 |
| 725 | wbcsd.org | 8.19/10 | 4,000 | 3,570 | Feb 2026 |
| 726 | rub.de | 8.19/10 | - | - | Jan 2024 |
| 727 | amtrak.com | 8.19/10 | 2,749,800 | 587,330 | Feb 2022 |
| 728 | oprah.com | 8.19/10 | 290,600 | 108,227 | Jun 2018 |
| 729 | tu-dortmund.de | 8.19/10 | 870 | 647 | Jun 2020 |
| 730 | uni-ulm.de | 8.19/10 | 2,700 | 1,858 | Aug 2022 |
| 731 | uam.es | 8.19/10 | 910 | 1,945 | Aug 2018 |
| 732 | saatchigallery.com | 8.18/10 | 4,800 | 1,840 | Aug 2025 |
| 733 | dentsu.com | 8.18/10 | 8,500 | 4,218 | Dec 2020 |
| 734 | getbento.com | 8.18/10 | 9,500 | 3,581 | Jun 2018 |
| 735 | strategies.fr | 8.18/10 | 290 | 617 | May 2026 |
| 736 | serpro.gov.br | 8.18/10 | 380 | 767 | Mar 2022 |
| 737 | mise.gov.it | 8.18/10 | 1 | 2 | Aug 2022 |
| 738 | dimensions.ai | 8.18/10 | 8,600 | 2,156 | Dec 2022 |
| 739 | tse.jus.br | 8.18/10 | 15,900 | 3,390 | Jul 2022 |
| 740 | uni-konstanz.de | 8.18/10 | 2,100 | 1,030 | Aug 2022 |
| 741 | hslu.ch | 8.18/10 | 290 | 438 | Jun 2018 |
| 742 | princehotels.co.jp | 8.18/10 | 1,200 | 496 | Sep 2021 |
| 743 | otsuka.co.jp | 8.17/10 | 16,800 | 6,067 | Jun 2020 |
| 744 | msf.org | 8.17/10 | 24,900 | 11,580 | Aug 2018 |
| 745 | tennessean.com | 8.17/10 | 487,100 | 281,419 | Aug 2018 |
| 746 | wral.com | 8.17/10 | 857,100 | 529,273 | Apr 2026 |
| 747 | uni-potsdam.de | 8.17/10 | 1,100 | 2,058 | Aug 2022 |
| 748 | lublin.pl | 8.17/10 | 4 | 3 | Feb 2019 |
| 749 | titech.ac.jp | 8.17/10 | 2,400 | 817 | Jun 2022 |
| 750 | 123formbuilder.com | 8.16/10 | 13,500 | 11,431 | May 2024 |
| 751 | veeam.com | 8.16/10 | 23,200 | 17,141 | Dec 2020 |
| 752 | informer.com | 8.16/10 | 33 | 13 | May 2020 |
| 753 | aemet.es | 8.16/10 | 15,000 | 24,125 | Mar 2022 |
| 754 | umaine.edu | 8.16/10 | 180,800 | 43,670 | Feb 2019 |
| 755 | midilibre.fr | 8.16/10 | 4,800 | 9,170 | Nov 2023 |
| 756 | univ-lorraine.fr | 8.16/10 | 510 | 500 | Aug 2018 |
| 757 | opensecrets.org | 8.16/10 | 275,900 | 70,874 | Jun 2018 |
| 758 | daihatsu.co.jp | 8.15/10 | 41 | 78 | Jun 2020 |
| 759 | rackspace.com | 8.15/10 | 35,900 | 5,344 | Oct 2020 |
| 760 | jw.org | 8.15/10 | 520,400 | 371,965 | Aug 2018 |
| 761 | manychat.com | 8.15/10 | 17,400 | 12,470 | Aug 2018 |
| 762 | g20.org | 8.15/10 | 18,000 | 11,741 | Mar 2026 |
| 763 | restaurant.org | 8.15/10 | 312,600 | 7,014 | Jul 2022 |
| 764 | aeroport.fr | 8.15/10 | 98 | 153 | Feb 2022 |
| 765 | telkomuniversity.ac.id | 8.15/10 | 110 | 118 | Apr 2018 |
| 766 | uma.es | 8.15/10 | 1,700 | 2,592 | Oct 2018 |
| 767 | bootswatch.com | 8.14/10 | 2,800 | 1,907 | Jun 2026 |
| 768 | corsair.com | 8.14/10 | 651,200 | 134,644 | Dec 2020 |
| 769 | online.de | 8.14/10 | - | - | Jul 2020 |
| 770 | band.us | 8.14/10 | 42,800 | 2,012 | Jun 2018 |
| 771 | brainpickings.org | 8.14/10 | - | - | Jul 2020 |
| 772 | ntnu.no | 8.14/10 | 4,600 | 1,879 | Aug 2018 |
| 773 | ufpr.br | 8.14/10 | 150 | 239 | Aug 2018 |
| 774 | u-bordeaux.fr | 8.14/10 | 810 | 529 | Jan 2019 |
| 775 | pan.pl | 8.14/10 | 210 | 28 | Nov 2021 |
| 776 | omni7.jp | 8.14/10 | - | - | Oct 2021 |
| 777 | calcalistech.com | 8.13/10 | 18,600 | 16,079 | Apr 2024 |
| 778 | apec.org | 8.13/10 | 14,900 | 6,512 | Nov 2021 |
| 779 | imageshack.com | 8.13/10 | 2,900 | 523 | Jun 2018 |
| 780 | gov.mt | 8.13/10 | 3,400 | 1,456 | Dec 2022 |
| 781 | asean.org | 8.13/10 | 35,500 | 9,934 | Apr 2019 |
| 782 | jku.at | 8.13/10 | 1,500 | 1,119 | Aug 2018 |
| 783 | nuernberg.de | 8.13/10 | 580 | 820 | Aug 2022 |
| 784 | uoa.gr | 8.13/10 | 29 | 56 | May 2021 |
| 785 | jfrog.com | 8.12/10 | 17,100 | 11,661 | Apr 2018 |
| 786 | yellowpages.com | 8.12/10 | 3,605,000 | 6,271,081 | Nov 2018 |
| 787 | uptodate.com | 8.12/10 | 1,655,500 | 310,958 | Jan 2019 |
| 788 | le.ac.uk | 8.12/10 | 37,200 | 12,244 | Sep 2018 |
| 789 | sundance.org | 8.12/10 | 88,700 | 13,167 | Aug 2018 |
| 790 | cityu.edu.hk | 8.12/10 | 20,100 | 8,294 | Apr 2022 |
| 791 | univ-lyon1.fr | 8.12/10 | 930 | 492 | Aug 2018 |
| 792 | madmimi.com | 8.11/10 | 87 | 8 | Jun 2018 |
| 793 | talkspace.com | 8.11/10 | 406,900 | 81,112 | Sep 2021 |
| 794 | kent.ac.uk | 8.11/10 | 12,400 | 7,038 | Sep 2021 |
| 795 | unb.ca | 8.11/10 | 6,000 | 5,819 | Sep 2019 |
| 796 | pr.gov | 8.11/10 | 6,100 | 2,445 | Aug 2018 |
| 797 | auth.gr | 8.11/10 | 1,900 | 302 | Oct 2019 |
| 798 | newschool.edu | 8.11/10 | 61,500 | 35,182 | Sep 2021 |
| 799 | janeapp.com | 8.10/10 | - | - | Jun 2018 |
| 800 | createjs.com | 8.10/10 | 140 | 171 | Jun 2018 |
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) →
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