JavaScript libraries
Visit underscorejs.org
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 1.13.1 Complementary Technologies
Technologies frequently found with Underscore.js 1.13.1.
Live Underscore.js 1.13.1 Sites
8.5k
Complementary Tech
719
Most Frequent Complementary Tech
Websites Using Underscore.js 1.13.1
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| mfec.co.th | 🇺🇸 United States | Incapsula Inc | February 14, 2026 |
| perathai.com.tr | Unknown | Cloudflare, Inc. | February 13, 2026 |
| xn--d1accijcjaqfaxjcz0b0b.xn--p1ai | 🇷🇺 Russia | Jsc timeweb | February 13, 2026 |
| vniitek.ru | 🇷🇺 Russia | Jsc timeweb | February 13, 2026 |
| wako-kenma.com | 🇯🇵 Japan | GMO Internet Group, Inc. | February 13, 2026 |
| tenemosunpuebloparati.es | 🇪🇸 Spain | IONOS SE | February 13, 2026 |
| kingfruits.co.th | 🇹🇭 Thailand | CS LOXINFO Public Company Limited. | February 13, 2026 |
| sibservices.co.uk | 🇩🇪 Germany | IONOS SE | February 13, 2026 |
| san-kk.co.jp | 🇯🇵 Japan | SAKURA Internet Inc. | February 13, 2026 |
| ryrmediciones.com | 🇦🇷 Argentina | Dattatec.com | February 13, 2026 |
| pandaramen.pl | 🇵🇱 Poland | home.pl sp. z o.o. | February 13, 2026 |
| traqmo.fr | 🇫🇷 France | OVH SAS | February 13, 2026 |
| pivnichnyi.rv.ua | 🇺🇦 Ukraine | Internet Invest, Ltd. | February 13, 2026 |
| meerwasserhof-magdeburg.de | 🇩🇪 Germany | Neue Medien Muennich GmbH | February 13, 2026 |
| unimadeiras.pt | 🇵🇹 Portugal | Almouroltec Servicos De Informatica E Internet Lda | February 13, 2026 |
| ashb.de | 🇩🇪 Germany | IONOS SE | February 13, 2026 |
| magicalrecipesonline.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| omegnensall-roundklub.dk | 🇩🇰 Denmark | team.blue Denmark A/S | February 13, 2026 |
| marblecityhospital.co | 🇺🇸 United States | Hostinger International Limited | February 13, 2026 |
| nina-elisa.com | 🇳🇱 Netherlands | BIT BV | February 13, 2026 |
| agencewallonnedupatrimoine.be | 🇧🇪 Belgium | VERIXI SA | February 13, 2026 |
| gallerigalaaen.no | 🇳🇴 Norway | Neas Energi Telekom As | February 13, 2026 |
| gastrosavona.it | 🇬🇧 United Kingdom | Team Blue Carrier Limited | February 13, 2026 |
| tokyo-mva.com | 🇯🇵 Japan | SAKURA Internet Inc. | February 13, 2026 |
| promovers.ru | 🇷🇺 Russia | Beget LLC | February 13, 2026 |
| motlaghshop.com | 🇮🇷 Iran | NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) | February 13, 2026 |
| mkhardy.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| belgianbreakfast.be | 🇧🇪 Belgium | Combell NV | February 13, 2026 |
| acquadosing.com | 🇺🇸 United States | GoDaddy.com, LLC | February 13, 2026 |
| marfon.com.au | Unknown | Cloudflare, Inc. | February 13, 2026 |
| prayasgroup.org | 🇸🇬 Singapore | GoDaddy.com, LLC | February 13, 2026 |
| floodservices.ca | 🇺🇸 United States | GoDaddy.com, LLC | February 13, 2026 |
| socar.de | 🇩🇪 Germany | IONOS SE | February 13, 2026 |
| knights-visual.com | 🇯🇵 Japan | SAKURA Internet Inc. | February 13, 2026 |
| offbeattees.com | 🇺🇸 United States | IONOS SE | February 13, 2026 |
| misma.am | 🇩🇪 Germany | Hetzner Online GmbH | February 13, 2026 |
| pickleballfire.com | 🇺🇸 United States | InMotion Hosting, Inc. | February 13, 2026 |
| restmarketperm.ru | 🇷🇺 Russia | JSC IOT | February 13, 2026 |
| mabuhayrealty.com | 🇺🇸 United States | Hurricane Electric LLC | February 13, 2026 |
| dolphingraphics.com | 🇺🇸 United States | InMotion Hosting, Inc. | February 13, 2026 |
| maruya-gr.co.jp | 🇯🇵 Japan | NTT PC Communications, Inc. | February 13, 2026 |
| acexcellence.com | Unknown | Cloudflare, Inc. | February 13, 2026 |
| sofiresrl.eu | 🇮🇹 Italy | Windsl S.r.l. | February 13, 2026 |
| sanbernardino.gov.py | 🇧🇷 Brazil | Hostinger International Limited | February 13, 2026 |
| dandelion.sk | 🇸🇰 Slovakia | WebSupport s.r.o. | February 6, 2026 |
| myheromindset.com | Unknown | Cloudflare, Inc. | February 6, 2026 |
| dmcimportgroup.com | 🇺🇸 United States | GoDaddy.com, LLC | February 6, 2026 |
| risefoundation.de | 🇩🇪 Germany | IONOS SE | February 6, 2026 |
| seiwa-2103.com | 🇯🇵 Japan | GMO Internet Group, Inc. | February 6, 2026 |
| pellegrinibrera.com | 🇮🇹 Italy | Fastweb | February 6, 2026 |
Find Your Customers By Their Technologies
12,727,168 domains across 3,651 technologies. Ready for lead generation, market research, and security analysis.
Buy Now — $199.95 USDTop Underscore.js 1.13.1 Identifiers
Who is using Underscore.js 1.13.1 and where.
Countries
Top 5 most detected countries for Underscore.js 1.13.1
ASNs
Top 5 most detected ASNs for Underscore.js 1.13.1
Languages
Top 5 most detected Languages for Underscore.js 1.13.1
TLDs
Top 5 most detected TLDs for Underscore.js 1.13.1
Most Frequent Underscore.js 1.13.1 Identifiers and Complementary Tech
Most frequently encountered identifiers for Underscore.js 1.13.1 and its complementary technologies.
| Technology | Sites |
|---|---|
| PHP | 8,575 |
| WordPress | 8,572 |
| MySQL | 8,572 |
| jQuery | 8,565 |
| jQuery Migrate | 8,047 |
| Contact Form 7 | 3,858 |
| Apache HTTP Server | 3,432 |
| WooCommerce | 3,067 |
| Yoast SEO | 3,025 |
| Elementor | 2,898 |
| Google Analytics | 2,550 |
| Bootstrap | 2,547 |
| Swiper | 2,382 |
| imagesLoaded | 2,331 |
| Nginx | 2,100 |
| HTTP/3 | 2,045 |
| Slider Revolution | 2,021 |
| WPForms | 1,861 |
| OWL Carousel | 1,785 |
| Lightbox | 1,729 |
| wpBakery | 1,613 |
| reCAPTCHA | 1,492 |
| Magnific Popup | 1,472 |
| Modernizr | 1,411 |
| LiteSpeed | 1,395 |
| Font Awesome | 1,293 |
| Slick | 1,225 |
| Backbone.js | 1,068 |
| Infinite Scroll | 1,011 |
| Google Tag Manager | 947 |
| Cloudflare | 935 |
| All in One SEO | 927 |
| WordPress Block Editor | 854 |
| FitVids.JS | 829 |
| HSTS | 784 |
| Responsive Lightbox & Gallery | 762 |
| LiteSpeed Cache | 753 |
| Site Kit | 690 |
| jQuery UI | 658 |
| Google Maps | 622 |
| Hostinger | 619 |
| Gravatar | 618 |
| YouTube | 568 |
| Redux Framework | 519 |
| parallax.js | 493 |
| CookieYes | 481 |
| Cloudflare Browser Insights | 472 |
| The Events Calendar | 446 |
| MailChimp | 445 |
| cdnjs | 401 |
| Language | Sites |
|---|---|
| English | 3,392 |
| French | 812 |
| German | 736 |
| Spanish | 625 |
| Latin | 516 |
| Italian | 503 |
| Russian | 411 |
| Polish | 344 |
| Japanese | 297 |
| Dutch | 288 |
| Portuguese | 269 |
| Tagalog | 194 |
| Afrikaans | 164 |
| Vietnamese | 138 |
| Chinese | 134 |
| Catalan | 133 |
| Danish | 128 |
| Esperanto | 124 |
| Czech | 111 |
| Turkish | 107 |
| Slovak | 106 |
| Swedish | 100 |
| Yoruba | 96 |
| Welsh | 94 |
| Hungarian | 84 |
| Norwegian Nynorsk | 82 |
| Romanian | 76 |
| Persian | 74 |
| Lithuanian | 74 |
| Finnish | 73 |
| Norwegian Bokmål | 71 |
| Swahili | 64 |
| Southern Sotho | 63 |
| Shona | 60 |
| Tsonga | 59 |
| Tswana | 58 |
| Indonesian | 53 |
| Basque | 52 |
| Greek | 49 |
| Croatian | 46 |
| Malay | 44 |
| Bulgarian | 44 |
| Albanian | 42 |
| Ukrainian | 39 |
| Xhosa | 39 |
| Bosnian | 35 |
| Hebrew | 31 |
| Estonian | 29 |
| Thai | 28 |
| Slovenian | 25 |
| ASN | Sites |
|---|---|
| OVH SAS | 612 |
| Hostinger International Limited | 599 |
| Cloudflare, Inc. | 560 |
| GoDaddy.com, LLC | 531 |
| IONOS SE | 419 |
| Hetzner Online GmbH | 303 |
| Amazon.com, Inc. | 246 |
| Aruba S.p.A. | 245 |
| Host Europe GmbH | 152 |
| Beget LLC | 146 |
| Neue Medien Muennich GmbH | 141 |
| DigitalOcean, LLC | 136 |
| Strato GmbH | 132 |
| WebSupport s.r.o. | 122 |
| Cyber_Folks S.A. | 119 |
| Xserver Inc. | 114 |
| Namecheap, Inc. | 93 |
| InMotion Hosting, Inc. | 87 |
| Jsc timeweb | 82 |
| Combell NV | 81 |
| GMO Internet Group, Inc. | 78 |
| Akamai Connected Cloud | 75 |
| SAKURA Internet Inc. | 74 |
| One.com A/S | 73 |
| DinaHosting S.L. | 69 |
| Sucuri | 63 |
| O2switch SAS | 63 |
| Domain names registrar REG.RU, Ltd | 60 |
| Google LLC | 53 |
| Contabo GmbH | 51 |
| Infomaniak Network SA | 50 |
| UAB Interneto vizija | 50 |
| team.blue Denmark A/S | 48 |
| home.pl sp. z o.o. | 46 |
| New Dream Network, LLC | 46 |
| WEDOS Internet, a.s. | 39 |
| Nazwa.pl Sp.z.o.o. | 36 |
| Fastly, Inc. | 35 |
| WHG Hosting Services Ltd | 35 |
| VIETNAM POSTS AND TELECOMMUNICATIONS GROUP | 34 |
| Liquid Web, L.L.C | 33 |
| dogado GmbH | 31 |
| Stichting DIGI NL | 29 |
| Your Hosting B.V. | 27 |
| Signet B.V. | 27 |
| SuperHosting.BG Ltd. | 27 |
| Unified Layer | 26 |
| Microsoft Corporation | 26 |
| The Constant Company, LLC | 26 |
| SYNERGY WHOLESALE PTY LTD | 26 |
| TLD | Sites |
|---|---|
| com | 3,485 |
| de | 457 |
| org | 334 |
| ru | 317 |
| fr | 302 |
| it | 291 |
| pl | 254 |
| net | 186 |
| nl | 163 |
| co.uk | 141 |
| es | 115 |
| com.br | 115 |
| cz | 96 |
| com.au | 95 |
| sk | 93 |
| eu | 86 |
| be | 72 |
| jp | 71 |
| ca | 70 |
| gr | 67 |
| hu | 64 |
| ch | 63 |
| in | 61 |
| dk | 58 |
| lt | 55 |
| vn | 52 |
| se | 50 |
| co.jp | 50 |
| at | 46 |
| fi | 40 |
| com.ar | 39 |
| ro | 37 |
| xn--p1ai | 34 |
| cl | 33 |
| co | 31 |
| info | 29 |
| co.il | 26 |
| ir | 25 |
| pt | 24 |
| com.mx | 24 |
| com.tr | 24 |
| co.za | 23 |
| no | 22 |
| com.ua | 21 |
| hr | 19 |
| bg | 18 |
| us | 15 |
| lv | 15 |
| com.pl | 15 |
| si | 14 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 1,814 |
| 🇩🇪 Germany | 1,042 |
| 🇫🇷 France | 858 |
| 🇷🇺 Russia | 399 |
| 🇮🇹 Italy | 343 |
| 🇯🇵 Japan | 324 |
| 🇳🇱 Netherlands | 290 |
| 🇵🇱 Poland | 286 |
| 🇬🇧 United Kingdom | 241 |
| 🇪🇸 Spain | 240 |
| 🇸🇬 Singapore | 208 |
| 🇻🇳 Vietnam | 132 |
| 🇩🇰 Denmark | 125 |
| 🇨🇦 Canada | 123 |
| 🇸🇰 Slovakia | 117 |
| 🇮🇳 India | 114 |
| 🇫🇮 Finland | 88 |
| 🇨🇭 Switzerland | 86 |
| 🇨🇿 Czech Republic | 83 |
| 🇧🇷 Brazil | 82 |
| 🇦🇺 Australia | 81 |
| 🇱🇹 Lithuania | 79 |
| 🇹🇷 Turkey | 62 |
| 🇭🇺 Hungary | 62 |
| 🇮🇷 Iran | 55 |
| 🇧🇪 Belgium | 51 |
| 🇸🇪 Sweden | 51 |
| 🇧🇬 Bulgaria | 34 |
| 🇭🇰 Hong Kong | 32 |
| 🇵🇹 Portugal | 31 |
| 🇷🇴 Romania | 29 |
| 🇺🇦 Ukraine | 27 |
| 🇬🇷 Greece | 24 |
| 🇮🇪 Ireland | 24 |
| 🇿🇦 South Africa | 24 |
| 🇲🇾 Malaysia | 23 |
| 🇰🇷 South Korea | 23 |
| 🇹🇼 Taiwan | 22 |
| 🇮🇩 Indonesia | 21 |
| 🇮🇱 Israel | 21 |
| 🇨🇱 Chile | 20 |
| 🇦🇹 Austria | 19 |
| 🇪🇪 Estonia | 19 |
| 🇨🇳 China | 19 |
| 🇹🇭 Thailand | 19 |
| 🇳🇴 Norway | 18 |
| 🇦🇷 Argentina | 17 |
| 🇸🇮 Slovenia | 17 |
| 🇭🇷 Croatia | 11 |
| 🇳🇿 New Zealand | 10 |
| 🇧🇾 Belarus | 10 |
| 🇮🇸 Iceland | 9 |
| 🇱🇻 Latvia | 8 |
| 🇰🇿 Kazakhstan | 7 |
| 🇷🇸 Serbia | 6 |
| 🇲🇽 Mexico | 5 |
| 🇧🇩 Bangladesh | 4 |
| 🇱🇺 Luxembourg | 3 |
| 🇵🇪 Peru | 3 |
| 🇲🇰 North Macedonia | 2 |
| 🇵🇦 Panama | 2 |
| 🇩🇿 Algeria | 2 |
| 🇲🇳 Mongolia | 2 |
| 🇲🇦 Morocco | 2 |
| 🇨🇴 Colombia | 2 |
| 🇬🇪 Georgia | 2 |
| 🇲🇩 Moldova | 2 |
| 🇨🇮 Côte d'Ivoire | 1 |
| 🇳🇮 Nicaragua | 1 |
| 🇰🇬 Kyrgyzstan | 1 |
| 🇮🇲 Isle of Man | 1 |
| 🇵🇸 Palestine | 1 |
| 🇺🇿 Uzbekistan | 1 |
| 🇱🇰 Sri Lanka | 1 |
| 🇸🇨 Seychelles | 1 |
| 🇪🇨 Ecuador | 1 |
| 🇨🇾 Cyprus | 1 |
| 🇧🇹 Bhutan | 1 |
| 🇹🇯 Tajikistan | 1 |
| 🇨🇷 Costa Rica | 1 |
| 🇧🇦 Bosnia and Herzegovina | 1 |
| 🇴🇲 Oman | 1 |
| 🇦🇱 Albania | 1 |