JavaScript libraries
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Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.
Disclaimer: The data used in this report is collected from the current VersionDB release (February 2026) containing a total of 12,727,168 domains. All statistics reflect this dataset and do not claim to represent all websites globally.
Underscore.js 1.13.4 Complementary Technologies
Technologies frequently found with Underscore.js 1.13.4.
Live Underscore.js 1.13.4 Sites
55.5k
Complementary Tech
1k
Most Frequent Complementary Tech
Websites Using Underscore.js 1.13.4
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| 212global.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| aurelienelias.com | 🇫🇷 France | OVH SAS | February 13, 2026 |
| centroculturalesanpaolo.org | 🇫🇷 France | OVH SAS | February 13, 2026 |
| aman.by | 🇧🇾 Belarus | Republican Unitary Telecommunication Enterprise Beltelecom | February 13, 2026 |
| ztsint.com | 🇸🇰 Slovakia | WebSupport s.r.o. | February 13, 2026 |
| arvigo.com | 🇪🇸 Spain | DinaHosting S.L. | February 13, 2026 |
| asiamesin.com | 🇸🇬 Singapore | Hostinger International Limited | February 13, 2026 |
| ananda.com.mx | Unknown | Cloudflare, Inc. | February 13, 2026 |
| asociaciondec.org | 🇪🇸 Spain | IONOS SE | February 13, 2026 |
| autoliguria.it | 🇬🇧 United Kingdom | Team Blue Carrier Limited | February 13, 2026 |
| buydmtvapepenaustralia.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| propertiesreviews.in | 🇮🇳 India | DigitalOcean, LLC | February 13, 2026 |
| africanfinance.network | 🇫🇷 France | OVH SAS | February 13, 2026 |
| alliancetraders.co.in | 🇺🇸 United States | Hostinger International Limited | February 13, 2026 |
| bruedergemeinde-bremen.de | 🇩🇪 Germany | Strato GmbH | February 13, 2026 |
| adelprorh.fr | 🇫🇷 France | OVH SAS | February 13, 2026 |
| cardenaspropertiesna.com | 🇺🇸 United States | Hostinger International Limited | February 13, 2026 |
| arcapublicidadz.co | 🇺🇸 United States | Hostinger International Limited | February 13, 2026 |
| buffaloarchitecture.org | Unknown | Cloudflare, Inc. | February 13, 2026 |
| animehentaishop.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| cbdmagazines.com | 🇮🇳 India | Hostinger International Limited | February 13, 2026 |
| 1000-pro.com | 🇯🇵 Japan | GMO Internet Group, Inc. | February 13, 2026 |
| arreglosfunebres.online | 🇺🇸 United States | ReliableSite.Net LLC | February 13, 2026 |
| bejarelectric.com | 🇪🇸 Spain | Axarnet Comunicaciones, S.l. | February 13, 2026 |
| 303toy.com | 🇨🇳 China | Shenzhen Tencent Computer Systems Company Limited | February 13, 2026 |
| ayubipaints.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| oldstylesupportersrosanero.com | 🇮🇹 Italy | Aruba S.p.A. | February 13, 2026 |
| 365talentportal.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| bangkokdreamworld.com | 🇺🇸 United States | Hostinger International Limited | February 13, 2026 |
| aquanautes.re | 🇫🇷 France | OVH SAS | February 13, 2026 |
| altsou.com | 🇩🇪 Germany | Strato GmbH | February 13, 2026 |
| tevzana-sp.ru | 🇷🇺 Russia | Beget LLC | February 13, 2026 |
| daltturo.com | 🇪🇸 Spain | DinaHosting S.L. | February 13, 2026 |
| ameriguardsvc.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| ainnovenergies.com | 🇫🇷 France | Hostinger International Limited | February 13, 2026 |
| indicatorlight.com | 🇺🇸 United States | Akamai Connected Cloud | February 8, 2026 |
| suaempresanorumocerto.com.br | 🇺🇸 United States | Hostinger International Limited | February 8, 2026 |
| fivestarpower.com | 🇩🇪 Germany | Tencent Building, Kejizhongyi Avenue | February 6, 2026 |
| attadvantage.com | Unknown | Cloudflare, Inc. | February 6, 2026 |
| couplescounselingboston.org | 🇺🇸 United States | PrivateSystems Networks | February 6, 2026 |
| supdas.com | 🇺🇸 United States | Hostinger International Limited | February 6, 2026 |
| autopremier.com.ar | 🇦🇷 Argentina | Dattatec.com | February 6, 2026 |
| hawksters.com | 🇺🇸 United States | Hostinger International Limited | February 6, 2026 |
| usp.br | 🇧🇷 Brazil | UNIVERSIDADE DE SAO PAULO | February 6, 2026 |
| blogdage.com.br | 🇧🇷 Brazil | Gamers Club Ltda | February 6, 2026 |
| noithattubep.com.vn | 🇻🇳 Vietnam | Lanit Technology and Communication Joint Stock Company | February 6, 2026 |
| eagleshamhs.com | 🇫🇷 France | Host Europe GmbH | February 6, 2026 |
| starsabove.lt | 🇱🇹 Lithuania | UAB Interneto vizija | February 6, 2026 |
| fempreneur.com | 🇺🇸 United States | Sucuri | February 6, 2026 |
| block-mitsubishi.ru | Unknown | Cloudflare, Inc. | February 6, 2026 |
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Who is using Underscore.js 1.13.4 and where.
Countries
Top 5 most detected countries for Underscore.js 1.13.4
ASNs
Top 5 most detected ASNs for Underscore.js 1.13.4
Languages
Top 5 most detected Languages for Underscore.js 1.13.4
TLDs
Top 5 most detected TLDs for Underscore.js 1.13.4
Most Frequent Underscore.js 1.13.4 Identifiers and Complementary Tech
Most frequently encountered identifiers for Underscore.js 1.13.4 and its complementary technologies.
| Technology | Sites |
|---|---|
| PHP | 55,533 |
| WordPress | 55,510 |
| MySQL | 55,506 |
| jQuery | 55,483 |
| jQuery Migrate | 52,280 |
| Elementor | 26,148 |
| WooCommerce | 22,749 |
| Contact Form 7 | 22,525 |
| Yoast SEO | 21,053 |
| HTTP/3 | 19,633 |
| Apache HTTP Server | 18,632 |
| Google Analytics | 17,325 |
| imagesLoaded | 16,457 |
| LiteSpeed | 15,750 |
| Bootstrap | 14,486 |
| WPForms | 13,455 |
| Hostinger | 12,285 |
| Slider Revolution | 11,540 |
| Nginx | 10,927 |
| Magnific Popup | 10,520 |
| LiteSpeed Cache | 9,636 |
| Lightbox | 9,623 |
| reCAPTCHA | 9,292 |
| Font Awesome | 9,073 |
| OWL Carousel | 9,069 |
| Swiper | 8,473 |
| Slick | 8,301 |
| Site Kit | 8,176 |
| wpBakery | 8,152 |
| WordPress Block Editor | 7,751 |
| Google Tag Manager | 7,282 |
| Modernizr | 6,700 |
| Cloudflare | 6,300 |
| All in One SEO | 6,023 |
| Backbone.js | 5,890 |
| HSTS | 5,264 |
| All in One SEO Pack | 4,727 |
| Infinite Scroll | 4,679 |
| FitVids.JS | 4,551 |
| parallax.js | 4,255 |
| Gravatar | 4,255 |
| jQuery UI | 3,966 |
| Mailcheck | 3,622 |
| Cloudflare Browser Insights | 3,582 |
| CookieYes | 3,428 |
| The Events Calendar | 3,358 |
| punycode | 3,341 |
| Responsive Lightbox & Gallery | 3,295 |
| Redux Framework | 3,238 |
| YouTube | 3,183 |
| Language | Sites |
|---|---|
| English | 24,599 |
| German | 5,717 |
| French | 4,694 |
| Spanish | 4,550 |
| Latin | 3,503 |
| Italian | 2,795 |
| Portuguese | 2,199 |
| Dutch | 2,066 |
| Russian | 1,664 |
| Polish | 1,658 |
| Tagalog | 1,590 |
| Japanese | 1,087 |
| Afrikaans | 964 |
| Swedish | 873 |
| Esperanto | 862 |
| Danish | 838 |
| Vietnamese | 814 |
| Catalan | 809 |
| Yoruba | 721 |
| Chinese | 697 |
| Czech | 678 |
| Norwegian Nynorsk | 674 |
| Welsh | 674 |
| Turkish | 608 |
| Persian | 575 |
| Romanian | 571 |
| Swahili | 527 |
| Slovak | 512 |
| Norwegian Bokmål | 508 |
| Tsonga | 497 |
| Tswana | 487 |
| Lithuanian | 476 |
| Southern Sotho | 447 |
| Indonesian | 440 |
| Hungarian | 427 |
| Finnish | 413 |
| Shona | 403 |
| Xhosa | 331 |
| Croatian | 307 |
| Basque | 303 |
| Albanian | 299 |
| Malay | 295 |
| Hebrew | 277 |
| Greek | 276 |
| Bosnian | 257 |
| Estonian | 248 |
| Arabic | 243 |
| Bulgarian | 191 |
| Somali | 177 |
| Slovenian | 167 |
| ASN | Sites |
|---|---|
| Hostinger International Limited | 11,900 |
| Cloudflare, Inc. | 4,365 |
| IONOS SE | 2,727 |
| OVH SAS | 2,699 |
| GoDaddy.com, LLC | 2,111 |
| Hetzner Online GmbH | 1,740 |
| Amazon.com, Inc. | 1,556 |
| Strato GmbH | 1,467 |
| Aruba S.p.A. | 1,040 |
| Host Europe GmbH | 801 |
| Neue Medien Muennich GmbH | 699 |
| DigitalOcean, LLC | 649 |
| Cyber_Folks S.A. | 576 |
| Beget LLC | 562 |
| WebSupport s.r.o. | 559 |
| Namecheap, Inc. | 543 |
| DinaHosting S.L. | 431 |
| Sucuri | 427 |
| Xserver Inc. | 425 |
| One.com A/S | 425 |
| O2switch SAS | 417 |
| Combell NV | 410 |
| InMotion Hosting, Inc. | 388 |
| Google LLC | 350 |
| New Dream Network, LLC | 340 |
| Akamai Connected Cloud | 324 |
| GMO Internet Group, Inc. | 296 |
| Infomaniak Network SA | 291 |
| Liquid Web, L.L.C | 271 |
| SAKURA Internet Inc. | 259 |
| Jsc timeweb | 256 |
| Domain names registrar REG.RU, Ltd | 254 |
| The Constant Company, LLC | 251 |
| WEDOS Internet, a.s. | 234 |
| team.blue Denmark A/S | 220 |
| UAB Interneto vizija | 212 |
| Microsoft Corporation | 207 |
| home.pl sp. z o.o. | 206 |
| VIETNAM POSTS AND TELECOMMUNICATIONS GROUP | 206 |
| Loopia AB | 202 |
| GEOCOM LLC | 195 |
| WHG Hosting Services Ltd | 193 |
| netcup GmbH | 188 |
| Hostpoint AG | 186 |
| Contabo GmbH | 182 |
| Mittwald CM Service GmbH & Co. KG | 181 |
| Signet B.V. | 171 |
| Fastly, Inc. | 170 |
| Cloudflare London, LLC | 169 |
| dogado GmbH | 158 |
| TLD | Sites |
|---|---|
| com | 24,128 |
| de | 3,757 |
| org | 1,982 |
| fr | 1,599 |
| it | 1,459 |
| ru | 1,199 |
| co.uk | 1,119 |
| pl | 1,113 |
| net | 1,095 |
| com.br | 1,032 |
| nl | 1,031 |
| es | 815 |
| in | 711 |
| com.au | 594 |
| cz | 582 |
| eu | 543 |
| ch | 512 |
| se | 456 |
| ca | 438 |
| be | 419 |
| gr | 373 |
| sk | 364 |
| hu | 340 |
| at | 329 |
| dk | 326 |
| lt | 314 |
| no | 270 |
| vn | 267 |
| ir | 239 |
| jp | 234 |
| cl | 228 |
| ro | 215 |
| co.il | 211 |
| co | 197 |
| co.za | 195 |
| com.ar | 191 |
| info | 187 |
| fi | 183 |
| co.jp | 164 |
| co.in | 133 |
| pt | 130 |
| ee | 125 |
| com.vn | 108 |
| com.tr | 108 |
| com.mx | 104 |
| com.pl | 97 |
| mx | 97 |
| xn--p1ai | 93 |
| co.nz | 91 |
| rs | 91 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 14,101 |
| 🇩🇪 Germany | 7,186 |
| 🇫🇷 France | 4,776 |
| 🇮🇳 India | 2,225 |
| 🇳🇱 Netherlands | 1,695 |
| 🇬🇧 United Kingdom | 1,691 |
| 🇮🇹 Italy | 1,606 |
| 🇷🇺 Russia | 1,498 |
| 🇵🇱 Poland | 1,356 |
| 🇪🇸 Spain | 1,294 |
| 🇯🇵 Japan | 1,201 |
| 🇸🇬 Singapore | 1,145 |
| 🇧🇷 Brazil | 1,072 |
| 🇻🇳 Vietnam | 658 |
| 🇩🇰 Denmark | 654 |
| 🇨🇭 Switzerland | 645 |
| 🇸🇰 Slovakia | 547 |
| 🇱🇹 Lithuania | 521 |
| 🇨🇿 Czech Republic | 515 |
| 🇹🇷 Turkey | 513 |
| 🇦🇺 Australia | 499 |
| 🇸🇪 Sweden | 485 |
| 🇨🇦 Canada | 470 |
| 🇮🇷 Iran | 469 |
| 🇫🇮 Finland | 459 |
| 🇮🇩 Indonesia | 354 |
| 🇭🇺 Hungary | 266 |
| 🇧🇪 Belgium | 263 |
| 🇿🇦 South Africa | 218 |
| 🇧🇬 Bulgaria | 179 |
| 🇭🇰 Hong Kong | 173 |
| 🇷🇴 Romania | 157 |
| 🇪🇪 Estonia | 156 |
| 🇳🇴 Norway | 152 |
| 🇹🇭 Thailand | 146 |
| 🇮🇪 Ireland | 134 |
| 🇰🇷 South Korea | 125 |
| 🇲🇾 Malaysia | 121 |
| 🇮🇱 Israel | 120 |
| 🇵🇹 Portugal | 120 |
| 🇦🇹 Austria | 107 |
| 🇨🇱 Chile | 102 |
| 🇹🇼 Taiwan | 100 |
| 🇬🇷 Greece | 98 |
| 🇺🇦 Ukraine | 92 |
| 🇦🇷 Argentina | 82 |
| 🇨🇳 China | 74 |
| 🇸🇮 Slovenia | 72 |
| 🇳🇿 New Zealand | 49 |
| 🇭🇷 Croatia | 42 |
| 🇰🇿 Kazakhstan | 40 |
| 🇲🇽 Mexico | 39 |
| 🇷🇸 Serbia | 38 |
| 🇱🇻 Latvia | 34 |
| 🇧🇾 Belarus | 31 |
| 🇮🇸 Iceland | 25 |
| 🇵🇪 Peru | 16 |
| 🇱🇺 Luxembourg | 14 |
| 🇲🇩 Moldova | 14 |
| 🇺🇿 Uzbekistan | 13 |
| 🇰🇪 Kenya | 12 |
| 🇧🇩 Bangladesh | 12 |
| 🇬🇪 Georgia | 12 |
| 🇪🇨 Ecuador | 9 |
| 🇦🇪 United Arab Emirates | 8 |
| 🇳🇵 Nepal | 8 |
| 🇨🇴 Colombia | 6 |
| 🇹🇳 Tunisia | 6 |
| 🇲🇰 North Macedonia | 5 |
| 🇵🇰 Pakistan | 5 |
| 🇧🇦 Bosnia and Herzegovina | 4 |
| 🇵🇭 Philippines | 3 |
| 🇸🇦 Saudi Arabia | 3 |
| 🇦🇱 Albania | 3 |
| 🇩🇿 Algeria | 3 |
| 🇲🇳 Mongolia | 3 |
| 🇱🇰 Sri Lanka | 3 |
| 🇨🇾 Cyprus | 3 |
| 🇯🇴 Jordan | 3 |
| 🇹🇯 Tajikistan | 3 |
| 🇸🇨 Seychelles | 3 |
| 🇬🇭 Ghana | 3 |
| 🇵🇾 Paraguay | 2 |
| 🇹🇲 Turkmenistan | 2 |
| 🇰🇼 Kuwait | 2 |
| 🇦🇴 Angola | 2 |
| 🇳🇨 New Caledonia | 2 |
| 🇻🇪 Venezuela | 2 |
| 🇨🇮 Côte d'Ivoire | 2 |
| 🇳🇬 Nigeria | 2 |
| 🇰🇬 Kyrgyzstan | 1 |
| 🇲🇿 Mozambique | 1 |
| 🇲🇺 Mauritius | 1 |
| 🇲🇻 Maldives | 1 |
| 🇱🇧 Lebanon | 1 |
| 🇲🇴 Macau | 1 |
| 🇸🇳 Senegal | 1 |
| 🇧🇭 Bahrain | 1 |
| 🇹🇱 Timor-Leste | 1 |
| 🇵🇦 Panama | 1 |
| 🇦🇲 Armenia | 1 |
| 🇧🇹 Bhutan | 1 |
| 🇷🇪 Réunion | 1 |
| 🇹🇬 Togo | 1 |
| 🇧🇴 Bolivia | 1 |
| 🇦🇿 Azerbaijan | 1 |
| 🇻🇦 Vatican City | 1 |
| 🇵🇸 Palestine | 1 |
| 🇪🇬 Egypt | 1 |
| 🇿🇲 Zambia | 1 |
| 🇺🇾 Uruguay | 1 |
| 🇨🇷 Costa Rica | 1 |
| 🇹🇹 Trinidad and Tobago | 1 |
| 🇧🇸 Bahamas | 1 |
| 🇧🇿 Belize | 1 |
| 🇱🇮 Liechtenstein | 1 |
| 🇪🇹 Ethiopia | 1 |
| 🇨🇲 Cameroon | 1 |