Websites Powered by Backbone.js
460,071 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
Jul 2022
Aug 2024
Sep 2026
Domains observed using Backbone.js in each month's HTTP Archive crawl,
Apr 2018 to Sep 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 1000 ms
Median site among 169,906 Backbone.js sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
59,715
United Kingdom
22,970
India
21,472
Germany
18,661
Canada
18,322
France
16,342
Spain
15,467
Australia
15,175
Sites using Backbone.js by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Legal | 5.27% | 1,234 |
| Arts and entertainment | 4.18% | 1,725 |
| Education | 2.75% | 1,372 |
| Non-profit and religious | 1.94% | 152 |
| News and media | 1.84% | 775 |
| Government | 1.83% | 147 |
| Pets and animals | 1.30% | 36 |
| Industrial and manufacturing | 1.18% | 51 |
| Travel and hospitality | 1.11% | 822 |
| Professional services | 1.00% | 412 |
| Home and construction | 1.00% | 475 |
| Sports and fitness | 0.94% | 157 |
Share of each industry's websites with a detected stack that use Backbone.js; industries come from what sites declare in their own structured data.
Top sites by authority
9+
17% · 65 of 372 sites
8+
12% · 925 of 7,677 sites
7+
7% · 3,016 of 45,712 sites
6+
5% · 5,115 of 110,136 sites
5+
3% · 8,125 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 |
|---|---|---|---|---|---|
| 4201 | unaux.com | 6.44/10 | - | 1 | Jan 2019 |
| 4202 | sexandu.ca | 6.44/10 | 310 | 195 | Aug 2019 |
| 4203 | evo.co.uk | 6.44/10 | 41,600 | 32,609 | Aug 2018 |
| 4204 | obesitycanada.ca | 6.44/10 | 560 | 379 | Nov 2024 |
| 4205 | fcn.de | 6.44/10 | 630 | 391 | Jun 2018 |
| 4206 | institutoayrtonsenna.org.br | 6.44/10 | 1,000 | 95 | Jul 2026 |
| 4207 | whalingmuseum.org | 6.44/10 | 15,400 | 2,327 | Aug 2024 |
| 4208 | lynn.edu | 6.44/10 | 48,200 | 11,061 | Jun 2024 |
| 4209 | anuies.mx | 6.44/10 | 12 | 67 | May 2020 |
| 4210 | url.edu.gt | 6.44/10 | 59 | 148 | Apr 2025 |
| 4211 | upload-magazin.de | 6.44/10 | - | 6 | Jul 2026 |
| 4212 | 247activities.com | 6.43/10 | - | - | Jan 2021 |
| 4213 | alle.com | 6.43/10 | 40,700 | 22,808 | Aug 2022 |
| 4214 | crmls.org | 6.43/10 | - | - | May 2020 |
| 4215 | simplybook.asia | 6.43/10 | - | - | Jan 2019 |
| 4216 | biamp.com | 6.43/10 | 3,400 | 4,362 | Dec 2023 |
| 4217 | relexsolutions.com | 6.43/10 | 4,000 | 1,870 | Dec 2023 |
| 4218 | democratsabroad.org | 6.43/10 | 2,700 | 2,471 | Jul 2020 |
| 4219 | vgct.nl | 6.43/10 | - | 6 | Sep 2026 |
| 4220 | lexialearning.com | 6.43/10 | 33,300 | 10,046 | Apr 2025 |
| 4221 | fairfight.com | 6.43/10 | 360 | 101 | Jul 2021 |
| 4222 | sigma.software | 6.43/10 | 950 | 714 | Oct 2022 |
| 4223 | opg.com | 6.43/10 | 6,700 | 4,899 | May 2019 |
| 4224 | apolloacademy.com | 6.43/10 | 7,300 | 4,260 | Sep 2026 |
| 4225 | sii.pl | 6.43/10 | 1,700 | 480 | Apr 2020 |
| 4226 | hoopshype.com | 6.43/10 | 247,500 | 67,493 | Aug 2025 |
| 4227 | lnb.lv | 6.43/10 | - | - | Dec 2019 |
| 4228 | wcyb.com | 6.43/10 | 68,600 | 60,782 | May 2024 |
| 4229 | sdhumane.org | 6.43/10 | 66,700 | 57,296 | Jan 2026 |
| 4230 | pau.edu.tr | 6.43/10 | 580 | 301 | Jun 2025 |
| 4231 | mijnaansluiting.nl | 6.43/10 | 6 | 35 | Jul 2026 |
| 4232 | trf2.jus.br | 6.43/10 | 660 | 1,066 | Jun 2026 |
| 4233 | toledo.es | 6.43/10 | 530 | 1,579 | Sep 2023 |
| 4234 | navajonationparks.org | 6.43/10 | 87,900 | 10,860 | Jan 2024 |
| 4235 | directa.cat | 6.43/10 | 310 | 165 | May 2025 |
| 4236 | bizpacreview.com | 6.43/10 | 800 | 1,749 | Sep 2022 |
| 4237 | upplandsvasby.se | 6.43/10 | 84 | 24 | Sep 2024 |
| 4238 | parc-du-vercors.fr | 6.43/10 | 2 | 28 | Jun 2024 |
| 4239 | onestream.com | 6.42/10 | 9,500 | 3,148 | Sep 2026 |
| 4240 | thinkbroadband.com | 6.42/10 | 36,800 | 1,389 | Jun 2025 |
| 4241 | infinitiusa.com | 6.42/10 | 299,200 | 48,556 | Jun 2018 |
| 4242 | creativecow.net | 6.42/10 | 24,400 | 36,312 | Dec 2020 |
| 4243 | portofantwerpbruges.com | 6.42/10 | 1,100 | 301 | Oct 2024 |
| 4244 | nissan.de | 6.42/10 | 43 | 66 | Jun 2018 |
| 4245 | flowrestling.org | 6.42/10 | 167,000 | 112,486 | Aug 2018 |
| 4246 | heraldtimesonline.com | 6.42/10 | 47,600 | 36,551 | May 2024 |
| 4247 | nccdh.ca | 6.42/10 | 330 | 430 | Feb 2026 |
| 4248 | peercommunityin.org | 6.42/10 | 580 | 90 | Apr 2023 |
| 4249 | isls.org | 6.42/10 | 230 | 179 | Apr 2025 |
| 4250 | bnpparibasfortis.be | 6.42/10 | 1,600 | 869 | Jun 2018 |
| 4251 | curling.ca | 6.42/10 | 3,600 | 2,761 | Jan 2019 |
| 4252 | rare.org | 6.42/10 | 4,300 | 733 | Aug 2023 |
| 4253 | ebm-netzwerk.de | 6.42/10 | 14 | 4 | Sep 2019 |
| 4254 | birdsandblooms.com | 6.42/10 | 461,800 | 100,810 | Sep 2026 |
| 4255 | servus.at | 6.42/10 | - | - | Sep 2022 |
| 4256 | gist.ac.kr | 6.42/10 | 420 | 17 | Apr 2024 |
| 4257 | hfg-offenbach.de | 6.42/10 | 16 | 48 | Aug 2022 |
| 4258 | wearecasa.org | 6.42/10 | 42,400 | 3,079 | Dec 2022 |
| 4259 | sut.ac.th | 6.42/10 | 88 | 12 | Dec 2020 |
| 4260 | bel-india.in | 6.42/10 | 1,400 | 638 | Feb 2026 |
| 4261 | bordeaux-inp.fr | 6.42/10 | 9 | 9 | Sep 2024 |
| 4262 | insa-rouen.fr | 6.42/10 | 46 | 71 | Aug 2022 |
| 4263 | colmar.fr | 6.42/10 | 65 | 191 | Oct 2021 |
| 4264 | iceeft.com | 6.41/10 | 8,300 | 507 | Mar 2026 |
| 4265 | cam4.com | 6.41/10 | 1,700 | 143 | Jul 2024 |
| 4266 | simplot.com | 6.41/10 | 13,800 | 6,528 | Oct 2021 |
| 4267 | marketpress.de | 6.41/10 | 3 | 7 | Jul 2026 |
| 4268 | buyma.com | 6.41/10 | 1,400 | 4,046 | Jan 2016 |
| 4269 | grantsolutions.gov | 6.41/10 | 92 | 79 | Dec 2024 |
| 4270 | gazoo.com | 6.41/10 | 38 | 96 | Jan 2021 |
| 4271 | parliament.gov.zm | 6.41/10 | 1,700 | 1,221 | Aug 2022 |
| 4272 | kortrijk.be | 6.41/10 | 29 | 107 | Apr 2025 |
| 4273 | physiotherapy.ca | 6.41/10 | 140 | 215 | Aug 2026 |
| 4274 | kttc.com | 6.41/10 | 72,900 | 68,620 | Dec 2019 |
| 4275 | qroo.gob.mx | 6.41/10 | 150 | 110 | Mar 2020 |
| 4276 | saiia.org.za | 6.41/10 | 2,200 | 1,367 | Jan 2019 |
| 4277 | qds.it | 6.41/10 | 230 | 751 | Oct 2024 |
| 4278 | alterdata.com.br | 6.41/10 | - | 25 | Aug 2018 |
| 4279 | meu.edu.jo | 6.41/10 | 2,300 | 99 | Jul 2021 |
| 4280 | edcity.hk | 6.40/10 | 80 | 43 | Sep 2025 |
| 4281 | trendencias.com | 6.40/10 | 10,600 | 24,507 | Jun 2018 |
| 4282 | datacolor.com | 6.40/10 | 11,300 | 2,746 | Aug 2018 |
| 4283 | acorn.tv | 6.40/10 | 200,700 | 19,622 | Aug 2018 |
| 4284 | pepperidgefarm.com | 6.40/10 | 242,300 | 21,448 | Jul 2017 |
| 4285 | afs.org | 6.40/10 | 9,200 | 2,374 | May 2022 |
| 4286 | musicaustria.at | 6.40/10 | 23 | 80 | Aug 2018 |
| 4287 | portillos.com | 6.40/10 | 75,400 | 21,274 | Dec 2021 |
| 4288 | inter.edu | 6.40/10 | 6,700 | 1,249 | Mar 2017 |
| 4289 | cspi.org | 6.40/10 | 269,700 | 101,677 | Aug 2025 |
| 4290 | unsa.edu.ar | 6.40/10 | 14 | 91 | Jul 2019 |
| 4291 | navantia.es | 6.40/10 | 390 | 292 | Aug 2023 |
| 4292 | molndal.se | 6.40/10 | 6 | 53 | Jul 2020 |
| 4293 | paramountshop.com | 6.39/10 | 70,700 | 15,425 | May 2023 |
| 4294 | edu.gov.cz | 6.39/10 | 36 | 19 | Aug 2026 |
| 4295 | techrseries.com | 6.39/10 | 600 | 1,876 | Jul 2023 |
| 4296 | nexans.com | 6.39/10 | 840 | 675 | Aug 2022 |
| 4297 | knoe.com | 6.39/10 | 47,600 | 55,009 | Nov 2023 |
| 4298 | richroll.com | 6.39/10 | 14,300 | 4,797 | Sep 2021 |
| 4299 | adfontesmedia.com | 6.39/10 | 84,400 | 11,719 | Jul 2026 |
| 4300 | nesdc.go.th | 6.39/10 | 52 | 31 | Aug 2025 |
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).
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