core-js
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
- 13,137
Usage over time
Trend data starts with the first full crawl. We take a snapshot of every technology's usage at the end of each monthly crawl cycle, so the first point appears once the current cycle completes and the trend line after the second.
Market share
Share of indexed sites in the category that use core-js.
Frequently paired with
Share of sites using core-js that also use each of these, from a sample of up to 5,000 sites.
- HSTSSecurity62%
13,137 sites use core-js
Showing the top 50. Filter and browse all sites
- microsoft.comMicrosoft – AI, Cloud, Produktivität, Computing, Gaming und Apps3.6.4since 28 Sept 2026
- mail.ruMail: Почта, Облако, Календарь, Заметки, Покупки — сервисы для работы и жизни3.26.1since 28 Sept 2026
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- azure.comCloud Computing Services | Microsoft Azure3.25.0since 28 Sept 2026
- cloud.microsoftMicrosoft 365 - Sign into Copilot3.33.0since 28 Sept 2026
- gandi.netGandi.net - Gandi.net: Domain Names, Web Hosting, SSL Certificates and Emails3.45.1since 28 Sept 2026
- icloud.comiCloud3.47.0since 28 Sept 2026
- tiktok.comExplore - Find your favorite videos on TikTok3.35.0since 28 Sept 2026
- pinterest.comPinterest3.38.1since 28 Sept 2026
- roblox.comPlay Free Online Games on Roblox - Sign Up to Play! - Roblox3.39.0since 28 Sept 2026
- spotify.comSpotify - Web Player: Music for everyone3.50.0since 28 Sept 2026
- cloudflare-dns.com1.1.1.1 — One of the Internet’s Fastest, Privacy-First DNS Resolver3.13.1since 28 Sept 2026
- baidu.com百度一下，你就知道3.8.1since 28 Sept 2026
- openai.comOpenAI | Research & Deployment3.23.3since 28 Sept 2026
- yandex.ruДзен — главная новостная информационная платформа, которая помогает миллионам людей узнавать, что происходит в мире.2.5.7since 28 Sept 2026
- yuga.comWelcome to Yuga Labs, Home of BAYC, MAYC, Otherside3.36.0since 28 Sept 2026
- bit.lyBitly | Short URLs, QR Codes, and More3.48.0since 28 Sept 2026
- triplinkintl.comVirtual commercial card for global payments | TripLink3.50.0since 28 Sept 2026
- vk.comVK | Bienvenue!3.49.0since 28 Sept 2026
- dropbox.comDropbox: Secure cloud storage, file sharing, and more3.45.1since 28 Sept 2026
- discord.ggDiscord - Group Chat That’s All Fun & Games3.41.0since 28 Sept 2026
- tumblr.comTumblr3.49.0since 28 Sept 2026
- applovin.comAppLovin | Advertising solutions built for growth3.43.0since 28 Sept 2026
- discord.comDiscord - Group Chat That’s All Fun & Games3.41.0since 28 Sept 2026
- vk.ruVK | Bienvenue!3.49.0since 28 Sept 2026
- hosting24.comHostinger - Bring Your Idea Online With a Website3.49.0since 28 Sept 2026
- soundcloud.comStream and listen to music online for free with SoundCloud3.6.4since 28 Sept 2026
- cnn.comBreaking News, Latest News and Videos | CNNsince 28 Sept 2026
- theguardian.comLatest news, sport and opinion from the Guardian3.10.2since 28 Sept 2026
- t-online.deNews & E-Mail bei t-online | Politik, Sport, Unterhaltung & Ratgeber3.10.2since 28 Sept 2026
- vungle.comThe Leading Growth Acceleration Platform for the Mobile Industry.3.32.2since 28 Sept 2026
- forbes.comForbes3.9.1since 28 Sept 2026
- bbc.comBBC Home - Breaking News, World News, US News, Sports, Business, Innovation, Climate, Culture, Travel, Video & Audio3.10.2since 28 Sept 2026
- twitch.tvTwitch3.42.0since 28 Sept 2026
- mit.eduMIT - Massachusetts Institute of Technology2.5.3since 28 Sept 2026
- userapi.comVK | Bienvenue!3.49.0since 28 Sept 2026
- stripe.comStripe | Plateforme et solution de paiement en ligne3.6.5since 28 Sept 2026
- alidns.com云解析DNS - 企业级域名解析服务与解决方案 - 阿里云2.6.11since 28 Sept 2026
- sourceforge.netCompare B2B Software, Download, & Develop Open Source & Business Software - SourceForgesince 28 Sept 2026
- hubspot.comHubSpot | Software & Tools for your Business - Homepage3.6.5since 28 Sept 2026
- linktr.eeLink in bio tool: Everything you are, in one simple link | Linktree3.32.2since 28 Sept 2026
- namecheap.comBuy a domain name - Register cheap domain names from $0.99 - Namecheap2.5.7since 28 Sept 2026
- ipify.orgipify - A Simple Public IP Address API3.6.5since 28 Sept 2026
- ibm.comIBM3.36.1since 28 Sept 2026
- dnsmadeeasy.comManaged DNS Business Services & Solutions Provider | a DigiCert Company2.6.12since 28 Sept 2026
- springer.comSpringer | Im Dienste der akademischen Fachwelt3.49.0since 28 Sept 2026
- tinyurl.comURL Shortener, Branded Short Links & Analytics | TinyURL3.9.1since 28 Sept 2026
- www.gov.ukWelcome to GOV.UK3.36.0since 28 Sept 2026
- ok.ruСоциальная сеть Одноклассники. Общение с друзьями в ОК. Ваше место встречи с одноклассниками3.37.1since 28 Sept 2026
- drom.ruДром - цены на машины3.46.0since 28 Sept 2026