18 technologies4 categories
www.gov.uk is built on Angular with HubSpot and Klaviyo. It ranks #380 globally among the most-visited websites.
Tech Stack Highlights
Frameworks & Languages3
Angular
JavaScript frameworks
75%
1 evidence signal
HTML
<meta name="govuk:publishing-appGOV.UK Frontend
UI frameworks
75%
1 evidence signal
JS Global
GOVUKFrontend → objectGOV.UK Template
UI frameworks
75%
1 evidence signal
JS Global
GOVUK → objectAnalytics & Marketing10
H
HubSpot
Marketing automation
100%
1 evidence signal
dns
DKIM selector: hs1K
Klaviyo
Marketing automation
100%
1 evidence signal
dns
DKIM selector: klM
MailChimp
Marketing automation
100%
1 evidence signal
dns
DKIM selector: k1C
Customer.io
Marketing automation
100%
1 evidence signal
dns
DKIM selector: cioR
Resend
Email
100%
1 evidence signal
dns
DKIM selector: resendG
Google Workspace
Email
100%
1 evidence signal
dns
DKIM selector: googleM
Microsoft 365
Email
100%
1 evidence signal
dns
DKIM selector: selector1S
SendGrid
Email
100%
1 evidence signal
dns
DKIM selector: s1P
Postmark
Email
100%
1 evidence signal
dns
DKIM selector: pmA
Amazon SES
Email
100%
1 evidence signal
dns
DKIM selector: amazonsesInfrastructure & Security3
HSTS
Security
75%
1 evidence signal
Header
max-age=31536000; preloadNginx
Web servers
75%
1 evidence signal
Header
nginx(?:/([\d.]+))?\;version:\1: nginxVarnish
Caching
75%
1 evidence signal
Header
varnish(?: \(Varnish/([\d.]+)\))?\;version:\1: 1.1 router, 1.1 varnishLibraries & Utilities2
HTTP/3
Miscellaneous
75%
1 evidence signal
Header
h3: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400core-js
JavaScript libraries
75%
1 evidence signal
JS Global
__core-js_shared__ → object