Websites Powered by Zone.js
619,595 websites tracked using Zone.js (JavaScript frameworks) · github.com
Zone.js is a JavaScript framework for building interactive web applications. Its official site is github.com. PoweredBy tracks the websites that use Zone.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
100K
200K
300K
400K
Aug 2018
Jul 2020
Sep 2022
Aug 2024
Jun 2026
Domains observed using Zone.js in each month's HTTP Archive crawl,
Aug 2018 to Jun 2026 · peak 360,156 in May 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 50 ms
CLS 0
TTFB 500 ms
Median site among 324,813 Zone.js sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
180,126
United Kingdom
44,450
India
37,179
Canada
35,078
Germany
29,348
Australia
26,185
France
25,078
Brazil
21,657
Sites using Zone.js by audience country, Chrome UX Report.
Top sites by authority
9+
22% · 80 of 372 sites
8+
20% · 1,524 of 7,677 sites
7+
11% · 5,194 of 45,712 sites
6+
8% · 8,854 of 110,136 sites
5+
6% · 13,913 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Zone.js in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Zone.js
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1101 | uoguelph.ca | 8.22/10 | 21,400 | 14,311 | Jul 2023 |
| 1102 | upf.edu | 8.22/10 | 4,700 | 3,555 | Oct 2019 |
| 1103 | madrid.es | 8.22/10 | 5,200 | 11,494 | Mar 2020 |
| 1104 | leidenuniv.nl | 8.22/10 | - | - | Apr 2024 |
| 1105 | fhnw.ch | 8.22/10 | 400 | 746 | Jan 2019 |
| 1106 | unisg.ch | 8.22/10 | 6,200 | 3,093 | Aug 2022 |
| 1107 | usal.es | 8.22/10 | 3,200 | 1,130 | Dec 2021 |
| 1108 | ufsc.br | 8.22/10 | 120 | 86 | May 2022 |
| 1109 | aa.com | 8.21/10 | 13,035,500 | 799,338 | Jan 2019 |
| 1110 | wada-ama.org | 8.21/10 | 46,400 | 32,426 | Jan 2021 |
| 1111 | anticorruzione.it | 8.21/10 | 680 | 511 | Aug 2022 |
| 1112 | lacity.gov | 8.21/10 | 588,600 | 58,592 | Dec 2024 |
| 1113 | cfainstitute.org | 8.21/10 | 125,400 | 34,362 | Jun 2023 |
| 1114 | ucd.ie | 8.21/10 | 42,700 | 19,975 | Jun 2020 |
| 1115 | ttu.edu | 8.21/10 | 118,300 | 21,348 | Jul 2022 |
| 1116 | sorbonne-universite.fr | 8.21/10 | 10,200 | 3,852 | Jun 2024 |
| 1117 | bdc.ca | 8.21/10 | 181,200 | 44,189 | Dec 2023 |
| 1118 | uba.ar | 8.21/10 | 670 | 586 | Jan 2019 |
| 1119 | uri.edu | 8.21/10 | 28,600 | 15,486 | Apr 2023 |
| 1120 | childwelfare.gov | 8.21/10 | 62,700 | 17,732 | Jun 2024 |
| 1121 | uc.pt | 8.21/10 | 3,500 | 1,118 | Jun 2026 |
| 1122 | 24tv.ua | 8.20/10 | 770 | 631 | Jun 2021 |
| 1123 | onlyfans.com | 8.20/10 | 66,700 | 5,719 | May 2025 |
| 1124 | lendingtree.com | 8.20/10 | 444,100 | 181,813 | Feb 2025 |
| 1125 | datev.de | 8.20/10 | 230 | 302 | Jul 2022 |
| 1126 | schwab.com | 8.20/10 | 3,559,200 | 365,660 | Aug 2018 |
| 1127 | geocaching.com | 8.20/10 | 23,200 | 15,503 | Apr 2026 |
| 1128 | nsf.org | 8.20/10 | 64,100 | 18,497 | Jan 2024 |
| 1129 | mef.gov.it | 8.20/10 | 670 | 768 | Mar 2022 |
| 1130 | reading.ac.uk | 8.20/10 | 15,100 | 12,029 | Sep 2020 |
| 1131 | reviewjournal.com | 8.20/10 | 370,600 | 215,304 | Nov 2020 |
| 1132 | be.ch | 8.20/10 | 12 | 42 | Sep 2021 |
| 1133 | ens-lyon.fr | 8.20/10 | 2,800 | 1,148 | Nov 2022 |
| 1134 | tepco.co.jp | 8.20/10 | 4,000 | 923 | Aug 2018 |
| 1135 | tinkoff.ru | 8.19/10 | - | - | Aug 2018 |
| 1136 | zscaler.com | 8.19/10 | 52,200 | 11,767 | Jan 2023 |
| 1137 | cas.org | 8.19/10 | 25,700 | 7,438 | Jan 2021 |
| 1138 | railway.app | 8.19/10 | - | - | May 2025 |
| 1139 | ultipro.com | 8.19/10 | - | - | Sep 2021 |
| 1140 | scipy.org | 8.19/10 | 5,300 | 3,414 | Apr 2026 |
| 1141 | amtrak.com | 8.19/10 | 2,749,800 | 587,330 | May 2020 |
| 1142 | bankofcanada.ca | 8.19/10 | 339,700 | 58,182 | Aug 2022 |
| 1143 | constitutioncenter.org | 8.19/10 | 1,176,900 | 136,451 | Apr 2026 |
| 1144 | tu-dortmund.de | 8.19/10 | 870 | 647 | Dec 2020 |
| 1145 | cic.gc.ca | 8.19/10 | 290 | 111 | Jul 2021 |
| 1146 | sdu.dk | 8.19/10 | 6,000 | 5,051 | Oct 2020 |
| 1147 | unl.pt | 8.19/10 | 480 | 245 | Dec 2022 |
| 1148 | uni-ulm.de | 8.19/10 | 2,700 | 1,858 | Nov 2022 |
| 1149 | uam.es | 8.19/10 | 910 | 1,945 | Oct 2025 |
| 1150 | strategies.fr | 8.18/10 | 290 | 617 | May 2026 |
| 1151 | serpro.gov.br | 8.18/10 | 380 | 767 | Apr 2020 |
| 1152 | memberclicks.net | 8.18/10 | - | - | Sep 2019 |
| 1153 | wondershare.com | 8.18/10 | 4,600 | 2,926 | Aug 2018 |
| 1154 | mise.gov.it | 8.18/10 | 1 | 2 | Apr 2022 |
| 1155 | tse.jus.br | 8.18/10 | 15,900 | 3,390 | Jan 2019 |
| 1156 | unige.it | 8.18/10 | 4,100 | 1,729 | Nov 2022 |
| 1157 | sun-sentinel.com | 8.18/10 | 97,900 | 108,084 | May 2020 |
| 1158 | uni-konstanz.de | 8.18/10 | 2,100 | 1,030 | Sep 2022 |
| 1159 | transportstyrelsen.se | 8.18/10 | 1,300 | 1,035 | Sep 2021 |
| 1160 | iledefrance.fr | 8.18/10 | 700 | 1,353 | Jan 2024 |
| 1161 | miamidade.gov | 8.18/10 | 912,900 | 265,598 | Nov 2025 |
| 1162 | latrobe.edu.au | 8.18/10 | 30,400 | 15,224 | Sep 2024 |
| 1163 | hslu.ch | 8.18/10 | 290 | 438 | Mar 2023 |
| 1164 | mgid.com | 8.17/10 | 1,300 | 694 | Jun 2020 |
| 1165 | barnard.edu | 8.17/10 | 33,600 | 13,345 | Oct 2023 |
| 1166 | bitwarden.com | 8.17/10 | 251,800 | 45,440 | Aug 2018 |
| 1167 | medtronic.com | 8.17/10 | 198,600 | 64,576 | Feb 2022 |
| 1168 | catalyst.org | 8.17/10 | 45,900 | 3,495 | Jan 2025 |
| 1169 | givesmart.com | 8.17/10 | 5,500 | 3,742 | Dec 2023 |
| 1170 | msf.org | 8.17/10 | 24,900 | 11,580 | Jul 2022 |
| 1171 | wral.com | 8.17/10 | 857,100 | 529,273 | Apr 2026 |
| 1172 | comunidad.madrid | 8.17/10 | 14,800 | 41,226 | Nov 2022 |
| 1173 | nola.com | 8.17/10 | 596,400 | 310,919 | Jun 2021 |
| 1174 | uni-halle.de | 8.17/10 | 650 | 112 | Jan 2022 |
| 1175 | bamf.de | 8.17/10 | 2,900 | 2,240 | Jan 2021 |
| 1176 | redalyc.org | 8.17/10 | 14,300 | 51,743 | Aug 2022 |
| 1177 | lublin.pl | 8.17/10 | 4 | 3 | Nov 2021 |
| 1178 | ripe.net | 8.16/10 | 12,100 | 4,735 | Jan 2019 |
| 1179 | veeam.com | 8.16/10 | 23,200 | 17,141 | Jan 2023 |
| 1180 | mercer.com | 8.16/10 | 42,700 | 19,528 | Jan 2019 |
| 1181 | gsk.com | 8.16/10 | 91,800 | 24,487 | Apr 2020 |
| 1182 | state.nm.us | 8.16/10 | 250 | 117 | Jun 2020 |
| 1183 | company.site | 8.16/10 | - | - | Mar 2023 |
| 1184 | mdanderson.org | 8.16/10 | 1,569,400 | 320,819 | May 2020 |
| 1185 | atf.gov | 8.16/10 | 305,500 | 102,362 | Jan 2022 |
| 1186 | pnnl.gov | 8.16/10 | 59,000 | 23,526 | Oct 2021 |
| 1187 | univ-lorraine.fr | 8.16/10 | 510 | 500 | Aug 2022 |
| 1188 | rackspace.com | 8.15/10 | 35,900 | 5,344 | Jun 2026 |
| 1189 | jw.org | 8.15/10 | 520,400 | 371,965 | Jan 2019 |
| 1190 | fff.fr | 8.15/10 | 5,100 | 2,624 | Mar 2022 |
| 1191 | sbn.it | 8.15/10 | - | - | Jan 2024 |
| 1192 | eaton.com | 8.15/10 | 433,500 | 130,964 | Dec 2020 |
| 1193 | state.ma.us | 8.15/10 | - | - | Sep 2023 |
| 1194 | au.com | 8.15/10 | 3,100 | 1,693 | Jul 2021 |
| 1195 | government.bg | 8.15/10 | - | 3 | Jul 2021 |
| 1196 | postnl.nl | 8.15/10 | 3,700 | 5,018 | Aug 2018 |
| 1197 | grammy.com | 8.15/10 | 949,700 | 182,412 | Feb 2024 |
| 1198 | qub.ac.uk | 8.15/10 | 21,300 | 13,550 | May 2023 |
| 1199 | sussex.ac.uk | 8.15/10 | 94,900 | 22,419 | Apr 2025 |
| 1200 | albany.edu | 8.15/10 | 166,200 | 60,210 | Jun 2024 |
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) →