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  4. core-js
JavaScript libraries

core-js market share in the UK

core-js runs on 17% of UK websites in our sample (1,897 of 11,322). Market share by country, top sites using it and technologies it is paired with.

17%
Share in United Kingdom
1,897 / 11,322
1
sites in Tranco top 1K
3 in top 10K
#531,096
median Tranco rank
Tranco
45%
Among local business websites
9,219 / 20,305
16
frequent companions
jQuery

By market

  1. United Kingdom17%1,897
  2. Global11%7,439
  3. Netherlands15%1,263
  4. Italy23%1,686
  5. Spain19%789
  6. Japan11%1,376
  7. Latin America22%4,325

Trend

Often used with

  1. jQueryJavaScript libraries98%×2.4
  2. WordPressCMS97%×4.3
  3. jQuery MigrateJavaScript libraries76%×4.8
  4. Yoast SEOCMS59%×4.6
  5. Gutenberg blocksWebsite builders57%×4.8
  6. Google FontsWeb fonts55%×1.5
  7. CloudflareCDN47%
  8. Google Tag ManagerTag managers47%
  9. Font AwesomeWeb fonts44%×2.1
  10. BootstrapCSS frameworks35%

Top sites using core-js All 1,897 sites

TrancoSiteAlso usesHosting
733dailymail.co.uk AkamaiAmazon Publisher ServicesComscoreGoogle Marketing Platform (DV360/CM360)Google FontsReact Akamai
4,110next.co.uk Akamai Bot ManagerAkamaiASP.NETGoogle Tag ManagerjQueryMUI Akamai
7,252flashscore.co.uk Google AdSenseGoogle Tag ManagernginxOneTrustIAB TCF v2 API Artcompanycz Livesport S.r.o...
10,944pinayflix.uk CloudflareFont AwesomeGoogle FontsGutenberg blocksjQueryjQuery Migrate Cloudflare
11,210gamcare.org.uk AddToAnyBootstrapCloudflareCloudflare Bot ManagementEnvoyGoogle Tag Manager Cloudflare
12,007bristol.ac.uk Apache HTTP ServerGoogle Tag ManagerTermly Janet Jisc Services Limited
12,082bris.ac.uk Apache HTTP ServerGoogle Tag ManagerTermly Janet Jisc Services Limited
14,312blog.gov.uk Amazon CloudFrontCivic Cookie ControlGoogle Tag ManagerGutenberg blocksjQueryjQuery Migrate Amazon Web Services
17,791screamingfrog.co.uk Adobe FontsCloudflareCloudflare Web AnalyticsGoogle Tag ManagerGutenberg blocksjQuery Cloudflare
19,279anm.co.uk AkamaiAmazon Publisher ServicesComscoreGoogle Marketing Platform (DV360/CM360)ReactMagnite (Rubicon) Amazon Web Services
19,550dpdgroup.co.uk BootstrapCloudflareCloudflare Bot ManagementconsentmanagerFont AwesomeGoogle Tag Manager Akamai
24,082scot.nhs.uk Microsoft ClarityCookieYesGoogle FontsGutenberg blocksjQueryjQuery Migrate Microsoft Azure
24,848nominet.uk CloudflareCloudflare Bot ManagementCookieYesGSAPGoogle Tag ManagerGutenberg blocks Cloudflare
29,133gre.ac.uk cdnjsFoundationGoogle MapsGoogle FontsGoogle Tag ManagerjQuery 4.0.0 Janet Jisc Services Limited
33,631energysavingtrust.org.uk cdnjsCloudflareCloudflare Bot ManagementCloudflare Web AnalyticsCivic Cookie ControlCookiebot (Usercentrics) Cloudflare
34,201sanger.ac.uk Google Ads (conversion)Google FontsGoogle Tag ManagerGutenberg blocksjQuery 3.7.1LinkedIn Insight Tag Janet Jisc Services Limited
35,583whiterose.ac.uk Adobe Experience ManagerCookieYesGoogle Analytics 4Google FontsGutenberg blocksjQuery UK2
38,075bgs.ac.uk Adobe FontsBootstrapCivic Cookie ControlFont AwesomeGoogle FontsGoogle Tag Manager Janet Jisc Services Limited
40,800salesfire.co.uk Adobe FontsBootstrapCloudflareCloudflare Bot ManagementCookiebot (Usercentrics)Google Tag Manager Cloudflare
41,187ukdefencejournal.org.uk Google AdSenseCloudflareCloudflare Web AnalyticsDisqusGoogle Tag ManagerjQuery Cloudflare
41,409labour.org.uk BootstrapCloudflareCloudflare Bot ManagementGoogle Tag ManagerGutenberg blocksjQuery Cloudflare
41,604fast.net.uk Gutenberg blocksjQueryLiteSpeedWordPressYoast SEO Fastnetuk Fastnet Internatio...
41,681zdnet.co.uk Google Marketing Platform (DV360/CM360)Google Publisher Tag (Ad Manager)Google Tag ManagerGutenberg blocksJetpacknginx Amazon Web Services
41,979tandf.co.uk BootstrapCloudflareCloudflare Bot ManagementCloudflare Web AnalyticsGoogle Tag ManagerGutenberg blocks Cloudflare
44,671news.co.uk Adobe FontsBrightcoveAmazon CloudFrontFoundationGoogle FontsGutenberg blocks Amazon Web Services

Our crawler: 11,322 sites · United Kingdom · updated 13 Nov 2026 · Methodology

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