If you are not sure if the website you would like to visit is secure, you can verify it here. Enter the website address of the page and see parts of its content and the thumbnail images on this site. None (if any) dangerous scripts on the referenced page will be executed. Additionally, if the selected site contains subpages, you can verify it (review) in batches containing 5 pages.
favicon.ico: thephysicsofstartups.substack.com/sitemap - Sitemap - The Physics of Start.

site address: thephysicsofstartups.substack.com/sitemap redirected to: thephysicsofstartups.substack.com/sitemap

site title: Sitemap - The Physics of Startups

Our opinion (on Sunday 16 August 2026 20:51:25 UTC):

GREEN status (no comments) - no comments

Meta tags:
description=Sitemap index for The Physics of Startups;
author=;

Headings (most frequently used words):

the, physics, of, startups, sitemap,

Text of the page (most frequently used words):
posts (7), from (7), the (5), physics (3), startups (3), javascript (2), home (2), substack (2), 2026 (2), sitemap (2), this, site, requires, run, correctly, please, unblock, scripts, turn, for, great, culture, get, app, start, your, collection, notice, terms, privacy, rob, snyder, 2020, 2021, 2022, 2023, 2024, 2025, about, archive, sign, subscribe,


Text of the page (random words):
sitemap the physics of startups the physics of startups subscribe sign in home archive about sitemap the physics of startups posts from 2026 posts from 2025 posts from 2024 posts from 2023 posts from 2022 posts from 2021 posts from 2020 2026 rob snyder privacy terms collection notice start your substack get the app substack is the home for great culture this site requires javascript to run correctly please turn on javascript or unblock scripts
Thumbnail images (randomly selected): * Images may be subject to copyright.GREEN status (no comments)

    No Images


    Verified site has: 9 subpage(s). Do you want to verify them? Verify pages:

    1-5 6-9


    The site also has references to the 1 subdomain(s)

      substack.com  Verify


    The site also has 1 references to external domain(s).

     enable-javascript.com  Verify


    Top 50 hastags from of all verified websites.

    Supplementary Information (add-on for SEO geeks)*- See more on header.verify-www.com

    Header

    HTTP/1.1 301 Moved Permanently
    Date Sun, 16 Aug 2026 20:51:25 GMT
    Content-Length 0
    Connection close
    Location htt????/thephysicsofstartups.substack.com/sitemap
    Set-Cookie ab_experiment_sampled=%22false%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Mon, 16 Aug 2027 20:51:25 GMT; HttpOnly; Secure; SameSite=Lax
    Set-Cookie ab_testing_id=%223fa568b1-e9d2-4427-a035-b047d15859d3%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Mon, 16 Aug 2027 20:51:25 GMT; HttpOnly; Secure; SameSite=Lax
    set-cookie __cf_bm=iAPoJBgXJx0Feeqk_DlCf56hdHWKL.Pt2obalYALOGw-1786913485.5602624-1.0.1.1-aRO0Bpj8UkQ2d8qUIVUZFfw8zQ7w5qdXv53bonB_xhEdTvLAwR.uHc4HtT.t5Q4PYOEY9ayXG9kB1I5mLTfycZ6qxxVf9OZz1RPRtQWKYK4sQpPoatbAZjSn0LKQh4YQ; HttpOnly; Path=/; Domain=substack.com; Expires=Sun, 16 Aug 2026 21:21:25 GMT
    Server cloudflare
    CF-RAY a2c35124bd46fba2-AMS
    alt-svc h3= :443 ; ma=86400
    HTTP/2 200
    date Sun, 16 Aug 2026 20:51:25 GMT
    content-type text/html; charset=utf-8
    cf-ray a2c3512519c8b960-AMS
    cf-cache-status MISS
    cache-control no-cache
    set-cookie ab_experiment_sampled=%22false%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Mon, 16 Aug 2027 20:51:25 GMT; HttpOnly; Secure; SameSite=Lax
    set-cookie ab_testing_id=%22b469eed7-6cb7-4814-ae4b-0dc1a252f99a%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Mon, 16 Aug 2027 20:51:25 GMT; HttpOnly; Secure; SameSite=Lax
    set-cookie __cf_bm=hCOe3wtbTGUq3v0HwJKgEmYK30rszyz6YKpQVZTTDCU-1786913485.613206-1.0.1.1-d.agOZ1.4NCpaGlFtlteBF7Of.3VC46Cm242IgvLhK5y7tg4pyr_.wGLiY0vyhdJSSADkcjU7prv4JfzGAJgRQQIpK9dxl84hKcEFYA71OGV16VfXE1ZXKHZPZ9IfWtO; HttpOnly; SameSite=None; Secure; Path=/; Domain=substack.com; Expires=Sun, 16 Aug 2026 21:21:25 GMT
    x-service web
    server cloudflare
    x-sub thephysicsofstartups
    strict-transport-security max-age=31536000; includeSubDomains; preload
    vary Accept-Encoding
    content-security-policy frame-ancestors self htt????/*.substack.com htt????/substack.com
    x-cluster substack
    x-deploy a8d0f0cd9e
    x-powered-by Express
    x-served-by Substack
    content-encoding gzip
    alt-svc h3= :443 ; ma=86400

    Meta Tags

    title="Sitemap - The Physics of Startups"
    charset="utf-8"
    name="norton-safeweb-site-verification" content="24usqpep0ejc5w6hod3dulxwciwp0djs6c6ufp96av3t4whuxovj72wfkdjxu82yacb7430qjm8adbd5ezlt4592dq4zrvadcn9j9n-0btgdzpiojfzno16-fnsnu7xd"
    data-rh="true" name="theme-color" content="#ffffff"
    data-rh="true" property="og:image" content="htt????/substackcdn.com/image/fetch/$s_!MIDW!,f_auto,q_auto:best,fl_progressive:steep/https%3A%2F%2Fthephysicsofstartups.substack.com%2Ftwitter%2Fsubscribe-card.jpg%3Fv%3D-570438516%26version%3D9"
    data-rh="true" name="twitter:image" content="htt????/substackcdn.com/image/fetch/$s_!MIDW!,f_auto,q_auto:best,fl_progressive:steep/https%3A%2F%2Fthephysicsofstartups.substack.com%2Ftwitter%2Fsubscribe-card.jpg%3Fv%3D-570438516%26version%3D9"
    data-rh="true" name="twitter:card" content="summary_large_image"
    data-rh="true" property="og:type" content="article"
    data-rh="true" property="og:title" content="Sitemap - The Physics of Startups"
    data-rh="true" name="twitter:title" content="Sitemap - The Physics of Startups"
    data-rh="true" name="description" content="Sitemap index for The Physics of Startups"
    data-rh="true" property="og:description" content="Sitemap index for The Physics of Startups"
    data-rh="true" name="twitter:description" content="Sitemap index for The Physics of Startups"
    name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, viewport-fit=cover"
    name="author" content="Rob Snyder"
    property="og:url" content="htt????/thephysicsofstartups.substack.com/sitemap"

    Load Info

    page size18049
    load time (s)0.246524
    redirect count1
    speed download73369
    server IP 104.18.37.200
    * all occurrences of the string "http://" have been changed to "htt???/"