Websites Powered by Backbone.js
456,214 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
Jun 2022
Jul 2024
Aug 2026
Domains observed using Backbone.js in each month's HTTP Archive crawl,
Apr 2018 to Aug 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 168,692 Backbone.js sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
60,045
United Kingdom
22,711
India
21,965
Germany
18,831
Canada
18,146
France
16,041
Australia
15,381
Spain
14,445
Sites using Backbone.js by audience country, Chrome UX Report.
Top sites by authority
9+
18% · 68 of 372 sites
8+
12% · 936 of 7,677 sites
7+
7% · 3,081 of 45,712 sites
6+
5% · 5,222 of 110,136 sites
5+
3% · 8,234 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 |
|---|---|---|---|---|---|
| 601 | nttdata.com | 8.29/10 | 8,000 | 8,505 | Sep 2022 |
| 602 | service-now.com | 8.29/10 | - | - | Apr 2019 |
| 603 | udc.es | 8.29/10 | 280 | 628 | Jul 2026 |
| 604 | univ-tours.fr | 8.29/10 | 140 | 358 | Jul 2019 |
| 605 | cuhk.edu.hk | 8.29/10 | 5,100 | 1,878 | Aug 2018 |
| 606 | nm.gov | 8.29/10 | 34,700 | 5,251 | Jan 2023 |
| 607 | mountsinai.org | 8.29/10 | 1,760,200 | 565,294 | Sep 2021 |
| 608 | instacart.com | 8.28/10 | 8,806,100 | 1,907,199 | Jun 2018 |
| 609 | stuttgart.de | 8.28/10 | 6,500 | 2,016 | Nov 2021 |
| 610 | complex.com | 8.28/10 | 808,300 | 434,139 | Jul 2021 |
| 611 | universityofcalifornia.edu | 8.28/10 | 204,600 | 56,692 | Jun 2018 |
| 612 | unu.edu | 8.28/10 | 16,800 | 5,872 | Jun 2021 |
| 613 | infoseek.co.jp | 8.28/10 | 53 | 10 | Dec 2023 |
| 614 | firebaseapp.com | 8.27/10 | - | - | Jul 2019 |
| 615 | teespring.com | 8.27/10 | 9,400 | 4,400 | Jun 2018 |
| 616 | thermofisher.com | 8.27/10 | 1,077,200 | 197,459 | Jul 2019 |
| 617 | com.ru | 8.27/10 | - | - | Jan 2019 |
| 618 | capitalone.com | 8.27/10 | 7,178,700 | 848,197 | Aug 2018 |
| 619 | blackrock.com | 8.27/10 | 250,300 | 67,050 | Sep 2020 |
| 620 | ubs.com | 8.27/10 | 127,200 | 56,066 | Aug 2022 |
| 621 | unitn.it | 8.27/10 | 1,600 | 1,402 | Dec 2024 |
| 622 | jcu.edu.au | 8.27/10 | 14,300 | 10,995 | Oct 2022 |
| 623 | jsonline.com | 8.27/10 | 1,295,400 | 326,927 | Aug 2018 |
| 624 | realestate.com.au | 8.27/10 | 269,000 | 197,093 | Jun 2018 |
| 625 | upc.edu | 8.27/10 | 1,400 | 1,502 | Jun 2018 |
| 626 | auvergnerhonealpes.fr | 8.27/10 | 380 | 482 | Nov 2022 |
| 627 | amnh.org | 8.27/10 | 1,096,500 | 135,384 | Nov 2021 |
| 628 | ou.edu | 8.27/10 | 382,900 | 71,501 | Aug 2018 |
| 629 | ig.com.br | 8.27/10 | 17 | 58 | Mar 2019 |
| 630 | fiocruz.br | 8.27/10 | 500 | 722 | Feb 2023 |
| 631 | waseda.jp | 8.27/10 | 13,200 | 3,964 | Jan 2021 |
| 632 | sony.jp | 8.27/10 | 1,000 | 2,568 | Jun 2018 |
| 633 | ua.es | 8.27/10 | 130 | 216 | Jul 2022 |
| 634 | highspot.com | 8.26/10 | 12,100 | 4,947 | Jan 2019 |
| 635 | nextcloud.com | 8.26/10 | 19,300 | 20,828 | Aug 2022 |
| 636 | overdrive.com | 8.26/10 | 130,100 | 98,935 | Aug 2018 |
| 637 | pen.org | 8.26/10 | 86,900 | 25,482 | Sep 2024 |
| 638 | cwi.nl | 8.26/10 | 1,200 | 631 | Jun 2018 |
| 639 | act.org | 8.26/10 | 531,600 | 88,851 | Aug 2018 |
| 640 | digg.se | 8.26/10 | 87 | 61 | May 2024 |
| 641 | charite.de | 8.26/10 | 600 | 676 | Dec 2022 |
| 642 | uni-wuerzburg.de | 8.26/10 | 1,900 | 1,383 | Jan 2023 |
| 643 | barcelona.cat | 8.26/10 | 18,300 | 7,599 | Apr 2020 |
| 644 | unlv.edu | 8.26/10 | 319,800 | 86,297 | May 2022 |
| 645 | chop.edu | 8.26/10 | 1,318,800 | 212,894 | Aug 2018 |
| 646 | unistra.fr | 8.26/10 | 1,500 | 1,386 | Aug 2018 |
| 647 | suzuri.jp | 8.26/10 | 110 | 204 | Jun 2018 |
| 648 | art.pl | 8.26/10 | - | - | Apr 2022 |
| 649 | hse.ru | 8.25/10 | 1,500 | 2,325 | Dec 2020 |
| 650 | nielseniq.com | 8.25/10 | 13,900 | 12,225 | Jan 2021 |
| 651 | confluent.io | 8.25/10 | 78,000 | 5,981 | Mar 2020 |
| 652 | aon.com | 8.25/10 | 41,100 | 22,888 | Aug 2022 |
| 653 | lockheedmartin.com | 8.25/10 | 869,600 | 98,991 | Jan 2019 |
| 654 | tugraz.at | 8.25/10 | 1,400 | 989 | Aug 2018 |
| 655 | nahb.org | 8.25/10 | 97,900 | 32,327 | Apr 2020 |
| 656 | scotsman.com | 8.25/10 | 134,000 | 79,200 | Oct 2023 |
| 657 | uni-kiel.de | 8.25/10 | 1,300 | 766 | Aug 2022 |
| 658 | ulisboa.pt | 8.25/10 | 6,100 | 1,009 | Aug 2018 |
| 659 | nwf.org | 8.25/10 | 917,800 | 72,616 | Oct 2020 |
| 660 | unito.it | 8.25/10 | 630 | 627 | Aug 2018 |
| 661 | ilfattoquotidiano.it | 8.25/10 | 6,500 | 8,927 | Sep 2024 |
| 662 | boston.gov | 8.25/10 | 645,100 | 155,908 | Dec 2019 |
| 663 | knaw.nl | 8.25/10 | 65 | 91 | Nov 2023 |
| 664 | lansstyrelsen.se | 8.25/10 | 1,800 | 885 | May 2024 |
| 665 | ufrj.br | 8.25/10 | 320 | 114 | Aug 2018 |
| 666 | fidoalliance.org | 8.24/10 | 25,100 | 7,493 | Jun 2020 |
| 667 | ifrc.org | 8.24/10 | 38,500 | 12,266 | Apr 2018 |
| 668 | pbworks.com | 8.24/10 | 1,800 | 510 | May 2025 |
| 669 | moneycontrol.com | 8.24/10 | 561,200 | 294,165 | Aug 2026 |
| 670 | croix-rouge.fr | 8.24/10 | 830 | 769 | Dec 2019 |
| 671 | aa.org | 8.24/10 | 284,500 | 113,880 | Feb 2020 |
| 672 | ntu.edu.tw | 8.24/10 | 1,500 | 817 | Aug 2018 |
| 673 | umbc.edu | 8.24/10 | 70,000 | 13,948 | Aug 2018 |
| 674 | boredpanda.com | 8.24/10 | 662,000 | 374,404 | Oct 2025 |
| 675 | disney.co.jp | 8.24/10 | 610 | 239 | Aug 2022 |
| 676 | uni-jena.de | 8.24/10 | 2,000 | 1,033 | Dec 2020 |
| 677 | uibk.ac.at | 8.24/10 | 7,200 | 4,770 | Jan 2026 |
| 678 | labiennale.org | 8.24/10 | 27,900 | 9,998 | Jun 2026 |
| 679 | migros.ch | 8.24/10 | 1,900 | 4,229 | Jun 2018 |
| 680 | curtin.edu.au | 8.24/10 | 8,500 | 7,713 | Aug 2018 |
| 681 | gda.pl | 8.24/10 | - | - | Feb 2020 |
| 682 | uned.es | 8.24/10 | 2,000 | 3,725 | Aug 2018 |
| 683 | uj.edu.pl | 8.24/10 | 360 | 132 | Oct 2025 |
| 684 | zj.gov.cn | 8.23/10 | 6 | 10 | Apr 2026 |
| 685 | rospotrebnadzor.ru | 8.23/10 | 4 | 5 | Dec 2022 |
| 686 | fujifilm.com | 8.23/10 | 35,600 | 13,498 | Sep 2020 |
| 687 | food.gov.uk | 8.23/10 | 111,600 | 20,857 | Jun 2020 |
| 688 | yamaha.com | 8.23/10 | 246,300 | 20,008 | Apr 2019 |
| 689 | dispatch.com | 8.23/10 | 489,100 | 277,132 | May 2024 |
| 690 | drk.de | 8.23/10 | 2,400 | 843 | Apr 2019 |
| 691 | regione.emilia-romagna.it | 8.23/10 | 290 | 307 | Jun 2018 |
| 692 | sheffield.ac.uk | 8.23/10 | 48,800 | 24,975 | Nov 2022 |
| 693 | regione.lombardia.it | 8.23/10 | 480 | 1,094 | Aug 2018 |
| 694 | detroitnews.com | 8.23/10 | 366,600 | 262,462 | Aug 2018 |
| 695 | jcyl.es | 8.23/10 | 230 | 267 | Mar 2023 |
| 696 | ns.nl | 8.23/10 | 33,200 | 8,672 | Aug 2018 |
| 697 | gcs-web.com | 8.22/10 | - | - | Jan 2019 |
| 698 | kleinanzeigen.de | 8.22/10 | 7,900 | 47,055 | Jun 2023 |
| 699 | creativemarket.com | 8.22/10 | 76,500 | 62,172 | Jun 2018 |
| 700 | macmillan.org.uk | 8.22/10 | 144,600 | 48,757 | May 2020 |
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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