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Blocks an AI crawler 12%Blocks GPTBot 11%ads.txt 22%Cookie consent banner 20%Ad pixels 23%llms.txt 15%HTTPS homepage 99%DMARC record 65%Blocks an AI crawler 12%Blocks GPTBot 11%ads.txt 22%Cookie consent banner 20%Ad pixels 23%llms.txt 15%HTTPS homepage 99%DMARC record 65%
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JavaScript libraries

Polyfill.io (compromised CDN) usage worldwide

Polyfill.io (compromised CDN) runs on <0.1% of websites worldwide in our sample (24 of 68,167). Market share by country, top sites using it and technologies…

<0.1%
Share in Global
24 / 68,167
1
sites in Tranco top 1K
5 in top 10K
#59,739
median Tranco rank
Tranco
16
frequent companions
Google Tag Manager

By market

  1. Global<0.1%24
  2. United Kingdom<0.1%11
  3. Netherlands0.1%9
  4. Italy<0.1%4
  5. Spain<0.1%2
  6. Japan<0.1%12
  7. Latin America<0.1%14

Trend

Often used with

  1. Google Tag ManagerTag managers50%
  2. BootstrapCSS frameworks42%×1.7
  3. CloudflareCDN38%
  4. jQueryJavaScript libraries38%
  5. cdnjsCDN29%×3.1
  6. Google FontsWeb fonts29%
  7. nginxWeb servers29%×1.6
  8. Google Marketing Platform (DV360/CM360)Advertising & pixels29%×4
  9. Universal Analytics (legacy)Analytics29%×3.2
  10. Google Analytics 4Analytics25%

Top sites using Polyfill.io (compromised CDN)

TrancoSiteAlso usesHosting
203theguardian.comComscoreGoogle Marketing Platform (DV360/CM360)Google Publisher Tag (Ad Manager)SentryFastly
2,487guardian.co.ukComscoreGoogle Marketing Platform (DV360/CM360)Google Publisher Tag (Ad Manager)SentryFastly
2,984thehindu.comBootstrapChartbeatCloudflareCloudflare Web AnalyticsComscoreGoogle Marketing Platform (DV360/CM360)Cloudflare
9,157toptoon.comMicrosoft ClarityCriteoGoogle Marketing Platform (DV360/CM360)Google Analytics 4Google FontsGoogle Tag ManagerAmazon Web Services
9,177turf-fr.comApache HTTP Server 2.4.25AwinBootstrapcdnjsGoogle Analytics 4Google FontsAsn Nerim Keyyo Sa
11,762thehindubusinessline.comBootstrapChartbeatCloudflareCloudflare Web AnalyticsComscoreGoogle Marketing Platform (DV360/CM360)Cloudflare
31,209embl.orgAlpine.jscdnjsGoogle Analytics 4nginxWordPressJanet Jisc Services Limited
36,328golfdigest.co.jpcdnjsAmazon CloudFrontGoogle Marketing Platform (DV360/CM360)Google Publisher Tag (Ad Manager)Google Tag ManagerjQuery 3.6.0Amazon Web Services
36,491tennistv.comBloomreachAmazon CloudFrontGoogle Tag ManagernginxAmazon Web Services
48,841bvb-alyans.ruBootstrap 5.0.0DjangojsDelivrnginx 1.24.0SwiperWhatsApp click-to-chatSelectel
49,436accuradio.comBootstrapCloudflareCloudflare Web AnalyticsEnsightenExpressFacebook SDKCloudflare
57,420datajournalism.comBootstrapcdnjsCloudflareCloudflare Bot ManagementGoogle Translate widgetGoogle FontsCloudflare
62,059fashionrevolution.orgBootstrapcore-jsFont AwesomeGoogle Analytics 4Google Tag ManagerJetpackCombell As Combell Nv
63,162homify.comBunny CDNcdnjsGoogle Marketing Platform (DV360/CM360)Google Publisher Tag (Ad Manager)Google Tag ManagerjQuery 2.2.4Amazon Web Services
65,320yaytext.comGoogle Analytics 4GatsbyQuantcast MeasureInMobi Choice (Quantcast)ReactIAB TCF v2 APIFastly
67,406instahyre.comAngularJSBootstrap 3.3.7cdnjsCloudflareCloudflare Web AnalyticsDatadog RUMCloudflare
75,810gentlove.comCloudflareCloudflare
76,766rawg.ioCloudflareFacebook SDKUniversal Analytics (legacy)Cloudflare
80,212choa.orgAdobe Experience Platform TagsBootstrapFont AwesomejQuery 3.7.1MarketoSitecoreChoa Children's Healthcare...
82,577oneamour.comCloudflareCloudflare
90,715yono-tv.netGoogle AdSenseBloggercdnjsFont AwesomeGoogle FontsjsDelivrGoogle Cloud
91,140fina.orgGoogle AdSenseAmazon CloudFrontGoogle Tag ManagerMeta PixelnginxUsercentricsInfomaniak As Infomaniak Net...
97,550motomax.com.trBootstrapCloudflareCloudflare Web AnalyticsGoogle Ads (conversion)Google FontsGoogle Tag ManagerCloudflare
97,720worldaquatics.comGoogle AdSenseAmazon CloudFrontGoogle Tag ManagerMeta PixelnginxUsercentricsAmazon Web Services

Our crawler: 68,167 sites · Global · updated Nov 13, 2026 · Methodology

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