25 technologies5 categories
freecodecamp.com is built on Gatsby with Google Tag Manager and Google Analytics.
The frontend relies on Tailwind CSS. Analytics are handled by Google Tag Manager and Google Analytics. Infrastructure includes Cloudflare DNS and Cloudflare.
Tech Stack Highlights
Core Platform1
Gatsbyv5.16.1
Static site generators
75%
1 evidence signal
Meta Tag
<meta name="^Gatsby(?: ([0-9.]+))?$\;version:\1" content="Gatsby 5.16.1">Frameworks & Languages3
Tailwind CSS
UI frameworks
75%
1 evidence signal
css
--tw-React
JavaScript frameworks
75%
1 evidence signal
HTML
data-reactPrimeReact
UI frameworks
75%
1 evidence signal
HTML
p-dialogAnalytics & Marketing13
Google Tag Manager
Tag managers
100%
3 evidence signals
HTML
googletagmanager.com/gtm.jsJS Global
google_tag_manager → objectJS Global
dataLayer → objectGoogle Analytics
Analytics
100%
2 evidence signals
Cookie
_gaScript
https://www.googletagmanager.com/gtag/js?id=G-SF1BGBDCNS&cx=c>m=4e64h1HubSpot
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
MX: aspmx.l.google.comM
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: amazonsesCloudflare Browser Insights
Analytics
75%
1 evidence signal
Script
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516Infrastructure & Security3
C
Cloudflare DNS
PaaS
100%
1 evidence signal
dns
NS: anna.ns.cloudflare.comCloudflare
CDN
75%
2 evidence signals
Header
9f04e3e3dfd4a63b-SJCHeader
cloudflare: cloudflareHSTS
Security
75%
1 evidence signal
Header
max-age=31536000; includeSubDomains; preloadLibraries & Utilities5
Stripev3
Payment processors
100%
2 evidence signals
Script
https://js.stripe.com/v3JS Global
Stripe → function(v3)Prism
Miscellaneous
75%
1 evidence signal
JS Global
Prism → objectHTTP/3
Miscellaneous
75%
1 evidence signal
Header
h3: h3=":443"; ma=86400Font Awesome
Font scripts
75%
1 evidence signal
JS Global
___FONT_AWESOME___ → objectWebpack
Miscellaneous
50%
1 evidence signal
HTML
implied by Gatsby