substack.com source code

The homepage of substack.com is 257.4 KB of HTML built with Cloudflare Web Analytics, Cloudflare, Express. Its security headers get a C. We last checked it on 2026-10-26.

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The first lines of its HTML

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8" />
    <meta name="norton-safeweb-site-verification" content="24usqpep0ejc5w6hod3dulxwciwp0djs6c6ufp96av3t4whuxovj72wfkdjxu82yacb7430qjm8adbd5ezlt4592dq4zrvadcn9j9…
    <link rel="preconnect" href="https://substackcdn.com" />
    <title data-rh="true">
      Substack
    </title>
    <meta data-rh="true" name="theme-color" content="#ffffff"/>
    <meta data-rh="true" name="theme-color" content="#16171d"/>
    <meta data-rh="true" property="og:type" content="article"/>
    <meta data-rh="true" property="og:title" content="Substack"/>
    <meta data-rh="true" name="twitter:title" content="Substack"/>
    <meta data-rh="true" name="description" content="Substack is the app for independent voices: a free newsletter, video, and podcast hosting platform with pai…
    <meta data-rh="true" property="og:description" content="Substack is the app for independent voices: a free newsletter, video, and podcast hosting platform w…
    <meta data-rh="true" name="twitter:description" content="Substack is the app for independent voices: a free newsletter, video, and podcast hosting platform …
    <meta data-rh="true" property="og:image" content="https://substackcdn.com/image/fetch/$s_!Xim-!,w_400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%…
    <meta data-rh="true" name="twitter:image" content="https://substackcdn.com/image/fetch/$s_!Xim-!,w_400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https…
    <meta data-rh="true" name="twitter:card" content="summary"/>
    <meta data-rh="true" property="og:image:width" content="400"/>
    <meta data-rh="true" property="og:image:height" content="400"/>
    <link data-rh="true" rel="preload" as="image" type="image/avif" imagesrcset="https://substackcdn.com/image/fetch/$s_!yPVx!,w_800,c_fill,f_avif,q_auto:good,f…
    <style>
      @layer legacy, pencraftReset, pencraft;
    </style>
    <link rel="preload" as="style" href="https://substackcdn.com/bundle/theme/reader2.f82284487863d1a87ed4.css" />
    <link rel="stylesheet" type="text/css" href="https://substackcdn.com/bundle/static/css/32347.bf8244f0.css" />
    <link rel="stylesheet" type="text/css" href="https://substackcdn.com/bundle/static/css/31443.9245fdbc.css" />
    <link rel="stylesheet" type="text/css" href="https://substackcdn.com/bundle/static/css/95923.a05053a2.css" />

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