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JavaScript libraries

core-js market share on brand websites

core-js runs on 12% of brand websites in our sample (162 of 1,359). Market share by country, top sites using it and technologies it is paired with.

12%
Share in UK brands
162 / 1,359
0
sites in Tranco top 1K
3 in top 10K
#125,309
median Tranco rank
Tranco
16
frequent companions
jQuery

By market

  1. UK brands12%162
  2. United Kingdom17%2,028
  3. Global11%7,426

Trend

Often used with

  1. jQueryJavaScript libraries93%×3.3
  2. WordPressCMS91%×5.7
  3. jQuery MigrateJavaScript libraries75%×7.3
  4. Google Tag ManagerTag managers64%
  5. Yoast SEOCMS62%×6.4
  6. Gutenberg blocksWebsite builders57%×6.3
  7. Google FontsWeb fonts43%×2
  8. CloudflareCDN41%
  9. Font AwesomeWeb fonts33%×3.2
  10. WooCommerceE-commerce platforms29%×7.7

Top sites using core-js All 162 sites

TrancoSiteAlso usesHosting
1,908vice.com cdnjsComscoreGoogle Analytics 4Google Tag ManagerGutenberg blocksJetpack Automattic (WordPress.com)
3,963next.co.uk Akamai Bot ManagerAkamaiASP.NETGoogle Tag ManagerjQueryMUI Akamai
8,539clarivate.com AddToAnyBootstrapcdnjsOracle EloquaGoogle FontsGoogle Tag Manager Fastly
17,103global.com BootstrapBrightcoveCloudflareCloudflare Bot ManagementGoogle Tag ManagerGutenberg blocks Cloudflare
20,362futureplc.com BootstrapCloudflareCloudflare Bot ManagementGoogle Tag ManagerjQueryjQuery Migrate Cloudflare
21,339denofgeek.com ChartbeatGoogle Tag ManagerJetpacknginxParse.lyQuantcast Measure Automattic (WordPress.com)
34,377universalmusic.com EnvoyFont AwesomeGoogle FontsGoogle Tag ManagerGutenberg blocksImperva (Incapsula) Imperva
35,382reiss.com Akamai Bot ManagerAkamaiGoogle FontsGoogle Tag ManagerjQueryMUI Akamai
39,034blackstone.com BrightcoveCloudflareCloudflare Bot ManagementCloudflare Web AnalyticsGoogle Tag ManagerJetpack Cloudflare
41,424fatface.com Akamai Bot ManagerAkamaiASP.NETGoogle Tag ManagerjQueryMUI Akamai
50,637news.co.uk Adobe FontsBrightcoveAmazon CloudFrontFoundationGoogle FontsGutenberg blocks Amazon Web Services
54,146shakespearesglobe.com Adobe FontsCloudflareCloudflare Web AnalyticsAmazon CloudFrontFont AwesomeGoogle Tag Manager Cloudflare
56,172glastonburyfestivals.co.uk cdnjsFont AwesomeImperva (Incapsula)jQueryjQuery MigratejsDelivr Imperva
61,080wmg.com Adobe Experience Platform TagscdnjsCloudflareCloudflare Bot ManagementGSAPGTranslate Cloudflare
65,161joules.com Adobe FontsAkamai Bot ManagerAkamaiASP.NETGoogle Tag ManagerjQuery Akamai
68,946bacardi.com CloudflareCloudflare Bot ManagementGoogle Tag ManagerGutenberg blocksjQueryjQuery Migrate Cloudflare
76,799jdwetherspoon.com CloudflareCloudflare Bot ManagementCookieYesGoogle Analytics 4Gutenberg blocksjQuery Cloudflare
84,935victoriassecret.co.uk Akamai Bot ManagerAkamaiASP.NETGoogle Tag ManagerjQuery 3.6.0MUI Akamai
86,000sonyinteractive.com Adobe Experience Platform TagsAmazon CloudFrontGutenberg blocksHotjarjQueryjQuery Migrate Amazon Web Services
164,618horniman.ac.uk Adobe FontsBootstrapCookieYesGoogle MapsGoogle FontsGoogle Tag Manager Jump
192,558thehistorypress.co.uk BootstrapCloudflareCloudflare Bot ManagementFont AwesomeGoogle Analytics 4Google Tag Manager Cloudflare
267,978whitbread.co.uk Akamai Bot ManagerAkamaicdnjsGoogle FontsGoogle Tag ManagerGutenberg blocks Akamai
312,110sherlock-holmes.co.uk Adobe FontsCookieYesGoogle Tag ManagerjQueryjQuery Migrateunpkg Amazon Web Services
317,399goodenergy.co.uk CloudflareCloudflare Bot ManagementGoogle Tag ManagerGutenberg blocksjQueryKinsta Cloudflare
318,126fiveguys.co.uk AlgoliaCloudflareCloudflare Bot ManagementGoogle FontsGoogle Tag ManagerGutenberg blocks Cloudflare

Our crawler: 1,359 sites · UK brands · updated 23 Oct 2026 · Methodology

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