16 technologies5 categories
lennysnewsletter.com is built on Substack with Cloudflare and Twitter Ads.
The frontend relies on Tailwind CSS. Analytics are handled by Cloudflare Browser Insights and Google Tag Manager. Infrastructure includes Cloudflare and Cloudflare DNS.
Tech Stack Highlights
Core Platform1
Substack
Blogs
75%
2 evidence signals
Header
substack: substackHeader
Substack: SubstackFrameworks & Languages3
Tailwind CSS
UI frameworks
75%
1 evidence signal
css
--tw-Node.js
Programming languages
75%
1 evidence signal
Header
Express: ExpressExpress
Web frameworks
75%
1 evidence signal
Header
^Express(?:$|,): ExpressAnalytics & Marketing7
Twitter Ads
Advertising
100%
2 evidence signals
Script
https://static.ads-twitter.com/uwt.jsJS Global
twttr → objectDatadogv5.35.1
RUM
100%
2 evidence signals
Script
https://www.datadoghq-browser-agent.com/us1/v5/datadog-rum.jsJS Global
DD_RUM → object(v5.35.1)R
Resend
Email
100%
1 evidence signal
dns
DKIM selector: resendCloudflare Browser Insights
Analytics
75%
2 evidence signals
Script
https://static.cloudflareinsights.com/beacon.min.jsScript
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516Google Tag Manager
Tag managers
75%
1 evidence signal
JS Global
google_tag_manager → objectMicrosoft Clarity
Analytics
75%
1 evidence signal
JS Global
clarity → functionGoogle Analytics
Analytics
75%
1 evidence signal
Script
https://www.googletagmanager.com/gtag/js?id=G-0V8B24EKGY&l=GA4DataLayerInfrastructure & Security4
Cloudflare
CDN
100%
3 evidence signals
Header
9f28e0ae1ced9ddb-SJCHeader
cloudflare: cloudflareCookie
__cf_bmC
Cloudflare DNS
PaaS
100%
1 evidence signal
dns
NS: riya.ns.cloudflare.comHSTS
Security
75%
1 evidence signal
Header
max-age=31536000; includeSubDomains; preloadCloudflare Bot Management
Security
75%
1 evidence signal
Cookie
__cf_bmLibraries & Utilities1
HTTP/3
Miscellaneous
75%
1 evidence signal
Header
h3: h3=":443"; ma=86400