22 technologies5 categories
klarna.com is built on Contentful with Google Tag Manager and Trustpilot. It ranks #3,127 globally.
The frontend relies on React Router. Analytics are handled by Google Tag Manager and Google Analytics. Infrastructure includes UltraDNS and Amazon CloudFront.
Tech Stack Highlights
Core Platform1
Contentful
CMS
75%
1 evidence signal
HTML
<link as="image" href="https://images.ctfassets.net/31h9ykss8g0q/5l2D28if9uRHsAoophl9qu/918d8c558ef1Frameworks & Languages2
React Router
JavaScript frameworks
75%
1 evidence signal
JS Global
__reactRouterVersion → stringReact
JavaScript frameworks
50%
1 evidence signal
HTML
implied by React RouterAnalytics & Marketing8
Google Tag Manager
Tag managers
100%
3 evidence signals
HTML
googletagmanager.com/gtm.jsJS Global
google_tag_manager → objectJS Global
dataLayer → objectTrustpilot
Reviews
100%
2 evidence signals
Script
https://widget.trustpilot.com/bootstrap/v5/tp.widget.bootstrap.min.jsJS Global
Trustpilot → objectG
Google Workspace
Email
100%
1 evidence signal
dns
DKIM selector: googleS
SendGrid
Email
95%
1 evidence signal
dns
SPF includes sendgrid.netGoogle Analytics
Analytics
75%
1 evidence signal
JS Global
gtag → functionGoogle Publisher Tag
Advertising
75%
1 evidence signal
Script
https://pagead2.googlesyndication.com/tag/js/gpt.js?network-code=70081414Google AdSense
Advertising
75%
2 evidence signals
Script
https://pagead2.googlesyndication.com/tag/js/gpt.js?network-code=70081414Script
https://pagead2.googlesyndication.com/pagead/managed/js/gpt/m202602040101/pubads_impl.jsFullStory
Analytics
75%
1 evidence signal
Script
https://edge.fullstory.com/s/fs.jsInfrastructure & Security7
U
UltraDNS
PaaS
100%
1 evidence signal
dns
NS: edns7.ultradns.comOneTrust
Cookie compliance
75%
3 evidence signals
Script
https://cdn.cookielaw.org/scripttemplates/otSDKStub.jsScript
https://cdn.cookielaw.org/scripttemplates/otSDKStub.jsScript
https://cdn.cookielaw.org/scripttemplates/otSDKStub.jsEnvoy
Reverse proxies
75%
2 evidence signals
Header
^envoy$: envoyHeader
181HSTS
Security
75%
1 evidence signal
Header
max-age=31536000; includeSubDomains; preload
Amazon CloudFront
CDN
75%
2 evidence signals
Header
\(CloudFront\)$: 1.1 a6c63f350fbfa9acf0de9a685e93cde8.cloudfront.net (CloudFront)Header
wuBeKZdM-Bw6JRXxrLrzZ9FO4geoP9M5_Xpuf1jpQNv1MmoX3kz2_g==Funding Choices
Cookie compliance
75%
1 evidence signal
Script
https://fundingchoicesmessages.google.com/i/70081414?ers=3Amazon Web Services
PaaS
50%
1 evidence signal
HTML
implied by Amazon CloudFrontLibraries & Utilities4
HTTP/3
Miscellaneous
75%
1 evidence signal
Header
h3: h3=":443"; ma=86400core-js
JavaScript libraries
75%
1 evidence signal
JS Global
__core-js_shared__ → objectLoadable-Components
JavaScript libraries
75%
1 evidence signal
JS Global
__LOADABLE_LOADED_CHUNKS__ → objectKlarna Checkout
Payment processors
75%
1 evidence signal
Header
\.klarna(?:cdn|services)\.(?:net|com): default-src 'self';script-src 'self' 'strict-dynamic' 'nonce-951fe7eb-cdf6-457e-a2e8-6483e315a8a3' 'report-sample' https://owp.klarna.com/ https://cdn.cookielaw.org/;style-src 'self' 'unsafe-inline' 'report-sample' https://owp.klarna.com/ https://www.gstatic.com/ https://x.klarnacdn.net/;img-src 'self' data: blob: https: chrome-extension:;media-src 'self' data: https: blob:;connect-src 'self' *.google.com *.google-analytics.com *.googlesyndication.com *.googletagmanager.com www.googleadservices.com *.adtrafficquality.google fonts.googleapis.com translate.googleapis.com fonts.gstatic.com www.gstatic.com ssl.google-analytics.com csi.gstatic.com *.g.doubleclick.net bat.bing.com *.klarna.com klarna-eu.api.unboxai.com klarna.atlassian.net production.videos.production.eu1.influencer-platform.klarna.net x.klarnacdn.net assets.klarnacdn.net api.videoly.co o24547.ingest.us.sentry.io *.onetrust.com *.cookielaw.org cookies-data.onetrust.io www.youtube.com images.ctfassets.net videos.ctfassets.net images.pricerunner.com *.fullstory.com tr.snapchat.com tr6.snapchat.com sc-static.net ams.creativecdn.com facdn.financeads.net ;font-src 'self' https: data:;frame-src 'self' *.snapchat.com *.klarna.com *.klarnacdn.net *.adtrafficquality.google *.googlesyndication.com *.googletagmanager.com *.googleadservices.com *.googletagservices.com *.doubleclick.net *.google.com www.youtube.com www.youtube-nocookie.com *.criteo.com osm.klarnaservices.com open.spotify.com ams.creativecdn.com hackerone.com neu.mein-onlineantrag.de widget.trustpilot.com platform.twitter.com syndication.twitter.com;base-uri 'self';manifest-src 'self';object-src 'none';frame-ancestors 'self' *.klarna.com;upgrade-insecure-requests