13 technologies4 categories
twitter.com is built on Tailwind CSS with Apple Sign-in and Google Workspace. It ranks #18 globally among the most-visited websites.
Infrastructure includes Amazon S3 and Amazon Web Services.
Tech Stack Highlights
Frameworks & 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(?:$|,): ExpressAnalytics & Marketing1
G
Google Workspace
Email
100%
1 evidence signal
dns
MX: aspmx.l.google.comInfrastructure & Security7
Apple Sign-in
Authentication
100%
2 evidence signals
Script
https://appleid.cdn-apple.com/appleauth/static/jsapi/appleid/1/en_US/appleid.auth.jsJS Global
AppleID → objectEnvoy
Reverse proxies
75%
1 evidence signal
Header
^envoy$: envoyHSTS
Security
75%
1 evidence signal
Header
max-age=300
Amazon S3
CDN
75%
1 evidence signal
Header
s3[^ ]*amazonaws\.com: connect-src 'self' blob: https://fonts.googleapis.com/css https://mapsresources-pa.googleapis.com https://maps.googleapis.com https://translate.googleapis.com https://www.gstatic.com/maps/ https://*.pscp.tv https://*.twimg.com https://*.video.pscp.tv https://aa.twitter.com https://aa.x.com https://accounts.google.com/gsi/ https://ads-api.twitter.com https://ads-api.x.com https://api-stream.twitter.com https://api-stream.x.com https://api.twitter.com https://api.x.ai https://api.x.com https://api.x.com https://caps.twitter.com https://caps.x.com https://grok.x.com https://jf.twitter.com https://jf.x.com https://jf-t.x.com https://pay.twitter.com https://pay.x.com https://sentry.io https://ton-staging.atla.twitter.com https://ton-staging.atla.x.com https://ton-staging.pdxa.twitter.com https://ton-staging.pdxa.x.com https://ton.twitter.com https://ton.local.twitter.com https://ton.x.com https://twitter.com https://upload.twitter.com https://upload.x.com https://www.google-analytics.com https://x.com https://grok-api.gcp.mouseion.dev https://assets.mouseion.dev https://grok.com https://assets.grok.com https://imagine-public.x.ai/ wss://grok.com wss://grok-api.gcp.mouseion.dev https://*.adtrafficquality.google https://*.googlesyndication.com https://*.doubleclick.net https://adservice.google.com https://www.googleadservices.com https://pagead2.googlesyndication.com https://www.google.com https://google.com https://via.intercom.io https://api.intercom.io https://api.au.intercom.io https://api.eu.intercom.io https://api-iam.intercom.io https://api-iam.eu.intercom.io https://api-iam.au.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io wss://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io wss://nexus-websocket-b.intercom.io https://nexus-europe-websocket.intercom.io wss://nexus-europe-websocket.intercom.io https://nexus-australia-websocket.intercom.io wss://nexus-australia-websocket.intercom.io https://uploads.intercomcdn.com https://uploads.intercomcdn.eu https://uploads.au.intercomcdn.com https://uploads.eu.intercomcdn.com https://uploads.intercomusercontent.com https://production.plaid.com/ https://sandbox.plaid.com/ https://ingestion.dv.socure.io https://network.dv.socure.io/ https://analytics.dv.socure.io/ https://payments-dev.x.com/customer/wasm/forward-with-v1.wasm https://payments-staging.x.com/customer/wasm/forward-with-v1.wasm https://payments-prod.x.com/customer/wasm/forward-with-v1.wasm https://money-dev.x.com/customer/wasm/forward-with-v1.wasm https://money-staging.x.com/customer/wasm/forward-with-v1.wasm https://money.x.com/customer/wasm/forward-with-v1.wasm https://api.stripe.com https://m.castle.io https://checkoutshopper-live.adyen.com wss://*.pscp.tv https://vmap.grabyo.com https://dwo3ckksxlb0v.cloudfront.net https://media.riffsy.com https://*.giphy.com https://media.tenor.com https://c.tenor.com wss://chat-ws.x.com https://d1muhwhmpsz4u8.cloudfront.net/ https://d2bchqfeno8n2m.cloudfront.net/ https://d2shtph9y6bxk.cloudfront.net/ https://xchat-hsm-staging.x.com/ https://realm-a.x.com https://realm-b.x.com https://realm-west1.x.com https://realm-east1.x.com https://hsm-staging.x.com https://ads-twitter.com https://analytics.twitter.com https://analytics.x.com ; 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manifest-src 'self'; media-src 'self' data: blob: https://twitter.com https://x.com https://*.twimg.com https://*.vine.co https://*.pscp.tv https://*.video.pscp.tv https://js.intercomcdn.com https://downloads.intercomcdn.com https://downloads.intercomcdn.eu https://downloads.au.intercomcdn.com https://dwo3ckksxlb0v.cloudfront.net; object-src 'none'; script-src 'self' 'unsafe-inline' https://*.twimg.com https://recaptcha.net/recaptcha/ http://www.gstatic.com/cast/sdk/libs/caf_receiver/v3/cast_receiver_framework.js https://accounts.google.com/gsi/client https://apis.google.com/js/api.js https://appleid.cdn-apple.com/appleauth/static/jsapi/appleid/1/en_US/appleid.auth.js https://client-api.arkoselabs.com/ https://static.ads-twitter.com https://twitter.com https://www.google-analytics.com https://www.gstatic.com/cast/sdk/libs/caf_receiver/v3/cast_receiver_framework.js https://x.com https://sdn.payments-dev.x.com/assets/loader.min.js https://sdn.payments-staging.x.com/assets/loader.min.js https://sdn.payments-prod.x.com/assets/loader.min.js https://sdn.money-dev.x.com/assets/loader.min.js https://sdn.money-staging.x.com/assets/loader.min.js https://sdn.money.x.com/assets/loader.min.js https://sdk.dv.socure.io/latest/device-risk-sdk.js https://cdn.plaid.com/link/v2/stable/link-initialize.js https://payments-dev.x.com/customer/wasm/xxp-forward-with-sdk.js https://payments-staging.x.com/customer/wasm/xxp-forward-with-sdk.js https://payments-prod.x.com/customer/wasm/xxp-forward-with-sdk.js https://money-dev.x.com/customer/wasm/xxp-forward-with-sdk.js https://money-staging.x.com/customer/wasm/xxp-forward-with-sdk.js https://money.x.com/customer/wasm/xxp-forward-with-sdk.js https://js.stripe.com https://*.js.stripe.com https://cdn.getpinwheel.com/pinwheel-v3.2.1.js https://securepubads.g.doubleclick.net https://www.googletagservices.com https://*.googletagservices.com https://pagead2.googlesyndication.com https://adservice.google.com https://www.googleadservices.com https://ads.google.com https://tpc.googlesyndication.com https://*.tpc.googlesyndication.com https://www.google.com https://googleads.g.doubleclick.net https://app.intercom.io https://widget.intercom.io https://js.intercomcdn.com 'wasm-unsafe-eval' 'nonce-ZTkzNjBmMmYtZTNjOC00MmZkLWFkZGUtZjllZDUxYzZkNzFm'; style-src 'self' 'unsafe-inline' https://accounts.google.com/gsi/style https://*.twimg.com; child-src 'self' blob:; worker-src 'self' blob:; report-uri https://x.com/i/csp_report?a=O5RXE%3D%3D%3D&ro=falseGoogle Sign-in
Authentication
75%
1 evidence signal
Script
https://accounts.google.com/gsi/clientVarnish
Caching
75%
1 evidence signal
Header
varnish(?: \(Varnish/([\d.]+)\))?\;version:\1: 1.1 varnishAmazon Web Services
PaaS
50%
1 evidence signal
HTML
implied by Amazon S3Libraries & Utilities2
core-js
JavaScript libraries
75%
1 evidence signal
JS Global
__core-js_shared__ → objectPlaid
Payment processors
75%
1 evidence signal
Header
cdn\.plaid\.com/: connect-src 'self' blob: https://fonts.googleapis.com/css https://mapsresources-pa.googleapis.com https://maps.googleapis.com https://translate.googleapis.com https://www.gstatic.com/maps/ https://*.pscp.tv https://*.twimg.com https://*.video.pscp.tv https://aa.twitter.com https://aa.x.com https://accounts.google.com/gsi/ https://ads-api.twitter.com https://ads-api.x.com https://api-stream.twitter.com https://api-stream.x.com https://api.twitter.com https://api.x.ai https://api.x.com https://api.x.com https://caps.twitter.com https://caps.x.com https://grok.x.com https://jf.twitter.com https://jf.x.com https://jf-t.x.com https://pay.twitter.com https://pay.x.com https://sentry.io https://ton-staging.atla.twitter.com https://ton-staging.atla.x.com https://ton-staging.pdxa.twitter.com https://ton-staging.pdxa.x.com https://ton.twitter.com https://ton.local.twitter.com https://ton.x.com https://twitter.com https://upload.twitter.com https://upload.x.com https://www.google-analytics.com https://x.com https://grok-api.gcp.mouseion.dev https://assets.mouseion.dev https://grok.com https://assets.grok.com https://imagine-public.x.ai/ wss://grok.com wss://grok-api.gcp.mouseion.dev https://*.adtrafficquality.google https://*.googlesyndication.com https://*.doubleclick.net https://adservice.google.com https://www.googleadservices.com https://pagead2.googlesyndication.com https://www.google.com https://google.com https://via.intercom.io https://api.intercom.io https://api.au.intercom.io https://api.eu.intercom.io https://api-iam.intercom.io https://api-iam.eu.intercom.io https://api-iam.au.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io wss://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io wss://nexus-websocket-b.intercom.io https://nexus-europe-websocket.intercom.io wss://nexus-europe-websocket.intercom.io https://nexus-australia-websocket.intercom.io wss://nexus-australia-websocket.intercom.io https://uploads.intercomcdn.com https://uploads.intercomcdn.eu https://uploads.au.intercomcdn.com https://uploads.eu.intercomcdn.com https://uploads.intercomusercontent.com https://production.plaid.com/ https://sandbox.plaid.com/ https://ingestion.dv.socure.io https://network.dv.socure.io/ https://analytics.dv.socure.io/ https://payments-dev.x.com/customer/wasm/forward-with-v1.wasm https://payments-staging.x.com/customer/wasm/forward-with-v1.wasm https://payments-prod.x.com/customer/wasm/forward-with-v1.wasm https://money-dev.x.com/customer/wasm/forward-with-v1.wasm https://money-staging.x.com/customer/wasm/forward-with-v1.wasm https://money.x.com/customer/wasm/forward-with-v1.wasm https://api.stripe.com https://m.castle.io https://checkoutshopper-live.adyen.com wss://*.pscp.tv https://vmap.grabyo.com https://dwo3ckksxlb0v.cloudfront.net https://media.riffsy.com https://*.giphy.com https://media.tenor.com https://c.tenor.com wss://chat-ws.x.com https://d1muhwhmpsz4u8.cloudfront.net/ https://d2bchqfeno8n2m.cloudfront.net/ https://d2shtph9y6bxk.cloudfront.net/ https://xchat-hsm-staging.x.com/ https://realm-a.x.com https://realm-b.x.com https://realm-west1.x.com https://realm-east1.x.com https://hsm-staging.x.com https://ads-twitter.com https://analytics.twitter.com https://analytics.x.com ; 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