15 technologies4 categories
o2.co.uk is built on Next.js with Google Tag Manager and Optimizely. It ranks #26,505 globally.
Analytics are handled by Google Tag Manager and Google Analytics. Infrastructure includes Google Cloud CDN and Azure.
Tech Stack Highlights
Frameworks & Languages4
Next.js
JavaScript frameworks
100%
34 evidence signals
Header
Next\.js(?: ([\d.]+))?\;version:\1: Next.jsHTML
/_next/static/Script
https://www.o2.co.uk/_next/static/chunks/fd9d1056-62185d5a83263d79.jsScript
https://www.o2.co.uk/_next/static/chunks/23-ca6c8c461d15a6e3.jsScript
https://www.o2.co.uk/_next/static/chunks/main-app-2c7c0eb254016929.jsScript
https://www.o2.co.uk/_next/static/chunks/524-88ba9819ebc34343.jsScript
https://www.o2.co.uk/_next/static/chunks/app/global-error-170c2e6e2dfde5b8.jsScript
https://www.o2.co.uk/_next/static/chunks/d382594e-61209dd2531c9dd0.jsScript
https://www.o2.co.uk/_next/static/chunks/75eaee5b-242dc81e8e8dfcb4.jsScript
https://www.o2.co.uk/_next/static/chunks/c41ac931-0656f09127ecfc58.jsScript
https://www.o2.co.uk/_next/static/chunks/76207a7b-2432a658917e508b.jsScript
https://www.o2.co.uk/_next/static/chunks/186-65a5f6f4ad32a23b.jsScript
https://www.o2.co.uk/_next/static/chunks/746-99c5b4823f94b11c.jsScript
https://www.o2.co.uk/_next/static/chunks/329-9e2984e91a0a5a6f.jsScript
https://www.o2.co.uk/_next/static/chunks/app/(storyblok)/%5B%5B...page%5D%5D/page-4c92f3abe19135ca.jsScript
https://www.o2.co.uk/_next/static/chunks/app/error-4f1b21365fc18b72.jsScript
https://www.o2.co.uk/_next/static/chunks/app/layout-f4167cf0860fa530.jsScript
https://www.o2.co.uk/_next/static/chunks/polyfills-78c92fac7aa8fdd8.jsScript
https://www.o2.co.uk/_next/static/chunks/webpack-5e0da2d74ec4fde5.jsstylesheet
/_next/static/css/dca6e4e834e9d011.cssstylesheet
/_next/static/css/35111e52b7d4b554.cssstylesheet
/_next/static/css/758b5c547aa32a20.cssstylesheet
/_next/static/css/3f14ae432e296b3c.cssstylesheet
/_next/static/css/4ff86294442e3dd9.cssstylesheet
/_next/static/css/7dd2418185bf05bf.cssstylesheet
/_next/static/css/1b8dce96d50fb635.cssstylesheet
/_next/static/css/b59d21293b7e15bc.cssstylesheet
/_next/static/css/df45135845c08ff3.cssstylesheet
/_next/static/css/d03f9b1f5897b655.cssstylesheet
/_next/static/css/34570675bb8daab7.cssstylesheet
/_next/static/css/d8f207d023586d62.cssstylesheet
/_next/static/css/1fcd4592590f2135.cssstylesheet
/_next/static/css/5e29401c5aae98c3.cssstylesheet
/_next/static/css/877d9b56b5b543e1.cssNode.js
Programming languages
75%
1 evidence signal
HTML
implied by Next.jsAnt Design
UI frameworks
75%
1 evidence signal
DOM
antd-classReact
JavaScript frameworks
50%
1 evidence signal
HTML
implied by Ant DesignAnalytics & Marketing5
Google Tag Manager
Tag managers
100%
3 evidence signals
HTML
googletagmanager.com/gtm.jsJS Global
google_tag_manager → objectJS Global
dataLayer → objectOptimizely
A/B Testing
100%
4 evidence signals
Cookie
optimizelyEndUserIdScript
https://cdn3.optimizely.com/js/geo4.jsScript
https://cdn.optimizely.com/js/24104221017.jsJS Global
optimizely → objectGoogle Analytics
Analytics
75%
2 evidence signals
Script
https://www.googletagmanager.com/gtag/js?id=G-N1BDWNQ0W6&cx=c>m=4e62b1Script
https://www.googletagmanager.com/gtag/js?id=G-12345678&cx=c>m=4e62b1Microsoft Advertising
Advertising
75%
1 evidence signal
JS Global
uetq → objectSpeedCurve
RUM
75%
1 evidence signal
Script
https://cdn.speedcurve.com/js/lux.js?id=4409242471Infrastructure & Security4
Azure Front Door
Load balancers
75%
1 evidence signal
Header
20260213T111939Z-r1d4bdbbd4854tfphC1BY1bk640000001gzg00000000d364Google Cloud CDN
CDN
75%
1 evidence signal
Header
^1\.1 google$: 1.1 googleAzure
PaaS
50%
1 evidence signal
HTML
implied by Azure Front DoorGoogle Cloud
IaaS
50%
1 evidence signal
HTML
implied by Google Cloud CDNLibraries & Utilities2
Zepto
JavaScript libraries
100%
2 evidence signals
Script
https://www.o2.co.uk/scripts/zepto/zepto.min.jsJS Global
Zepto → functionHTTP/3
Miscellaneous
75%
1 evidence signal
Header
h3: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000