core-js - Web Usage Statistics and Market Share


Discover the power of data-driven decision making with our Web Usage Statistics and Market Share analytics of core-js.

Gain unparalleled insights into the rapidly evolving digital landscape and stay ahead of the competition with a comprehensive analysis of core-js key performance metrics.

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Websites using core-js



Description of core-js: core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.

core-js is used by 6.95% of websites in the JavaScript libraries category.

Business and Finance is the most popular main category among the websites using core-js.

Business is the most popular subcategory among the websites that are using core-js.

The technologies that are most often used together with core-js are Open Graph, RSS, webpack, Module Federation, HSTS, reCAPTCHA, Google Tag Manager, jQuery, Facebook Pixel, Google Analytics.

Our AI based recommender engine (trained on 100 million data points) suggests that websites using core-js may also be interested in using these other technologies: Boomerang, Open Graph, Google Cloud CDN, GoDaddy Domain Parking, Facebook Pixel, LazySizes, Contact Form 7, RSS, Linkedin Sign-in, Choices.



Top IAB Industry Verticals using core-js





Top 10 technologies that are most often used together with core-js



Technology% of use together with core-jsWebsite
Open Graph75.76https://ogp.me
RSS44.48https://www.rssboard.org/rss-specification
webpack36.59https://webpack.js.org/
Module Federation35.95https://webpack.js.org/concepts/module-federation/
HSTS32.48https://www.rfc-editor.org/rfc/rfc6797#section-6.1
reCAPTCHA29.82https://www.google.com/recaptcha/
Google Tag Manager29.12http://www.google.com/tagmanager
jQuery26.54https://jquery.com
Facebook Pixel26.12http://facebook.com
Google Analytics25.8http://google.com/analytics




Technologies that are most interesting for website using core-js, as determined by our AI recommender



TechnologyAI Recommendation Score Website
Boomerang0.29https://akamai.github.io/boomerang
Open Graph0.22https://ogp.me
Google Cloud CDN0.16https://cloud.google.com/cdn
GoDaddy Domain Parking0.14https://www.godaddy.com
Facebook Pixel0.11http://facebook.com
LazySizes0.11https://github.com/aFarkas/lazysizes
Contact Form 70.1https://contactform7.com
RSS0.09https://www.rssboard.org/rss-specification
Linkedin Sign-in0.08https://www.linkedin.com/developers
Choices0.08https://github.com/Choices-js/Choices


Distribution of domains using core-js over IAB1 verticals











Introduction to core-js

core-js is a JavaScript library that provides polyfills for new features introduced in ECMAScript 5, 6, 7, and beyond, allowing developers to use these features in older browsers that do not support them. It also includes features that are not included in the ECMAScript specification, such as a customizable build system and a microtask queue.

Practical Applications of core-js


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Benefits and Advantages of core-js

- Provides polyfills for ECMAScript standards that may not be supported by some browsers.
- Offers a modular approach to including only the necessary features, reducing the overall bundle size.
- Can be used with a variety of build tools and bundlers.
- Enables developers to write code using modern syntax and features while still being compatible with older browsers.
- Offers a consistent API for working with different data types, such as arrays, objects, and strings.
- Allows for easy customization and configuration based on project needs.
- Has a large and active community providing support and updates.



Distribution of domains using core-js over IAB2 verticals













Most popular websites using core-js



WebsiteIAB category 1IAB category 2OpenRank
microsoft.comTechnology & ComputingComputing7.82
etsy.comShoppingPersonal Celebrations & Life Events7.33
eventbrite.comEvents and AttractionsConcerts & Music Events7.13
yahoo.comNews and PoliticsInternational News7.1
cnn.comNews and PoliticsInternational News7.09
theverge.comBusiness and FinanceIndustries7.09
archive.orgFine ArtAmharic6.97
statista.comBusiness and FinanceIndustries6.93
slate.comNews and PoliticsPolitical Event6.74
squarespace.comBusiness and FinanceMarketplace/eCommerce6.74




Less popular websites using core-js



WebsiteIAB category 1IAB category 2OpenRank
786webhosting.comTelevisionSports TV0
wilsonfuneralhomeracine.comEvents and AttractionsPersonal Celebrations & Life Events0
easytech-sl.comAutomotiveBusiness0
noskovaonline.comFood & DrinkDesserts and Baking0
santacruzirrigation.comHome & GardenLandscaping0


Distribution of domains using core-js over 1 million most popular domains
















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Distribution of domains using core-js over domain ages



The average age of websites using core-js is 11.5 years.

The average page rank (measure of backlink strength) of websites using core-js is 2.6.











5 technologies that are less often used together with core-js



Technology% of use together with core-jsWebsite
a-blog cms0.0006http://www.a-blogcms.jp
Acquia Campaign Factory0.0006https://www.acquia.com/products/marketing-cloud/campaign-factory
Acquia Content Hub0.0006https://www.acquia.com/products/drupal-cloud/content-hub
Acquia Customer Data Platform0.0006https://www.acquia.com/products/marketing-cloud/customer-data-platform
Acquire Live Chat0.0006https://acquire.io