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: prosperinai.substack.com - Prosper | Ilia Karelin | Subst.

site address: prosperinai.substack.com redirected to: prosperinai.substack.com

site title: Prosper Ilia Karelin Substack

Our opinion (on Tuesday 25 August 2026 6:22:34 UTC):

GREEN status (no comments) - no comments

Meta tags:
description=Every week, practical AI workflows, prompts, and guides you can put to use the same day - no matter your technical background. Click to read Prosper, by Ilia Karelin, a Substack publication with thousands of subscribers.;
author=;

Headings (most frequently used words):

prosper, knowledge, repository, launch, recent, posts,

Text of the page (most frequently used words):
the (13), ilia (13), karelin (13), and (9), claude (7), your (5), how (5), for (4), that (4), what (4), code (4), substack (3), all (3), jul (3), system (3), you (3), why (3), with (3), aug (3), actually (3), from (3), subscribe (3), prosper (3), javascript (2), home (2), get (2), see (2), connected (2), build (2), notebooklm (2), gemini (2), notebook (2), one (2), real (2), job (2), codex (2), agents (2), apps (2), notes (2), breakdown (2), stealing (2), reasoning (2), traces (2), proprietary (2), llm (2), apis (2), paper (2), view (2), latest (2), skills (2), cowork (2), most (2), knowledge (2), repository (2), this, site, requires, run, correctly, please, unblock, scripts, turn, great, culture, app, start, collection, notice, terms, privacy, 2026, study, only, quizzes, own, sources, now, here, built, instead, interviewer, personas, quiz, mind, map, posting, used, interview, jeff, morhous, isn, just, chatgpt, coders, plan, mode, parallel, workflow, ships, crash, course, building, went, through, both, cards, prompting, guides, release, help, decide, opus, fable, choose, breaks, cache, four, settings, protect, status, line, shows, hit, rate, live, caching, works, biggest, papers, year, let, recent, posts, newsletters, want, tactical, workflows, can, use, weekly, breakdowns, copy, paste, frameworks, jan, commands, nobody, explains, apr, complete, guide, operating, may, found, better, way, mar, chat, setup, people, never, popular, read, inside, access, launch, about, archive, sponsorships, work, upgrade, sign,


Text of the page (random words):
prosper ilia karelin substack subscribe sign in home notes why upgrade work with me sponsorships prosper knowledge repository archive about prosper knowledge repository launch what s inside and how to get access read the latest most popular view all claude chat cowork and code the setup most people never do mar 5 ilia karelin 28 6 how i connected notebooklm to claude code and found a better way to build skills may 10 ilia karelin 20 10 the complete guide to claude cowork as your ai operating system apr 12 ilia karelin 19 3 commands vs skills vs agents in claude code what nobody explains jan 15 ilia karelin 60 7 13 want tactical ai workflows you can actually use subscribe for weekly breakdowns with copy paste frameworks subscribe newsletters the latest from ilia karelin breakdown of stealing reasoning traces from proprietary llm apis paper recent posts view all breakdown of stealing reasoning traces from proprietary llm apis paper one of the biggest papers of the year let s see why aug 15 ilia karelin 8 3 how claude code caching actually works what breaks your cache the four settings that protect it and a status line that shows your hit rate live aug 9 ilia karelin 4 3 opus 5 vs fable 5 how to actually choose i went through both system cards the prompting guides and the release notes to help you decide aug 2 ilia karelin 5 2 crash course on building apps with codex why codex isn t just chatgpt for coders plan mode parallel agents and the workflow that ships real apps jul 28 ilia karelin and jeff morhous 12 2 3 i used gemini notebook and claude to interview me for the job 3 interviewer personas quiz mind map and one real job posting jul 26 ilia karelin 4 1 notebooklm is now gemini notebook here s what i built instead how i connected it to claude to build a study system that only quizzes you on your own sources jul 23 ilia karelin 5 1 see all 2026 ilia karelin 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)
  • User s avatar

Verified site has: 16 subpage(s). Do you want to verify them? Verify pages:

1-5 6-10 11-15 16-16


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

  substack.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 Tue, 25 Aug 2026 06:22:34 GMT
Content-Length 0
Connection keep-alive
Location htt????/prosperinai.substack.com/
Set-Cookie ab_experiment_sampled=%22false%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Wed, 25 Aug 2027 06:22:34 GMT; HttpOnly; Secure; SameSite=Lax
Set-Cookie ab_testing_id=%224cb2639e-0e7a-4dbe-91de-40d1462f6b36%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Wed, 25 Aug 2027 06:22:34 GMT; HttpOnly; Secure; SameSite=Lax
set-cookie __cf_bm=teMwqX4tMI97hjsUAssJIPKr3RG6NzFZDKT2o1UQhTQ-1787638954.288735-1.0.1.1-.R_JPEAYjyxJU2EVYhIG2vvUoEjerxGlKDsrxB3mk_uBl3b6fXEA_h1i8_T0KHwIA.3u3oCyRpaOjubwREcpYSmUbSceBqEM5.NPBTsny7P46vUdtPYR9mByVVBKrDwQ; HttpOnly; Path=/; Domain=substack.com; Expires=Tue, 25 Aug 2026 06:52:34 GMT
Server cloudflare
CF-RAY a30880c84db921d7-AMS
alt-svc h3= :443 ; ma=86400
HTTP/2 200
date Tue, 25 Aug 2026 06:22:34 GMT
content-type text/html; charset=utf-8
cf-ray a30880c88828d08a-CDG
cf-cache-status EXPIRED
cache-control no-cache
set-cookie ab_experiment_sampled=%22false%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Wed, 25 Aug 2027 06:22:34 GMT; HttpOnly; Secure; SameSite=Lax
set-cookie ab_testing_id=%22913e4319-ef28-422b-9f0a-cd13edf3b24f%22; Max-Age=31536000; Domain=substack.com; Path=/; Expires=Wed, 25 Aug 2027 06:22:34 GMT; HttpOnly; Secure; SameSite=Lax
set-cookie __cf_bm=VEQCAOkXb6mwXLHNGDImSAFTZqZSZYR_sCyNaQvvLPo-1787638954.3251965-1.0.1.1-VFqw3eVdgzIy9t.CQhb4sJ1owDQzjewwbYLVHsyoeDangL6xxrYCRYMoFQF4KJNWjUK8eBNQxCmIKA1lGnd.cumXXLW5ijKtczJ1nElXcXXI3k_tQZCTDtCpoZLd9Q77; HttpOnly; SameSite=None; Secure; Path=/; Domain=substack.com; Expires=Tue, 25 Aug 2026 06:52:34 GMT
x-service web
link <htt????/substackcdn.com>; rel=preconnect
server cloudflare
x-sub prosperinai
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 b0ab9fce90
x-powered-by Express
x-served-by Substack
content-encoding gzip
alt-svc h3= :443 ; ma=86400

Meta Tags

title="Prosper | Ilia Karelin | Substack"
charset="utf-8"
name="norton-safeweb-site-verification" content="24usqpep0ejc5w6hod3dulxwciwp0djs6c6ufp96av3t4whuxovj72wfkdjxu82yacb7430qjm8adbd5ezlt4592dq4zrvadcn9j9n-0btgdzpiojfzno16-fnsnu7xd"
data-rh="true" name="theme-color" content="#fafafa"
data-rh="true" property="og:image" content="htt????/substackcdn.com/image/fetch/$s_!4RPO!,f_auto,q_auto:best,fl_progressive:steep/https%3A%2F%2Fprosperinai.substack.com%2Ftwitter%2Fsubscribe-card.jpg%3Fv%3D-514504488%26version%3D9"
data-rh="true" name="twitter:image" content="htt????/substackcdn.com/image/fetch/$s_!4RPO!,f_auto,q_auto:best,fl_progressive:steep/https%3A%2F%2Fprosperinai.substack.com%2Ftwitter%2Fsubscribe-card.jpg%3Fv%3D-514504488%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="Prosper | Ilia Karelin | Substack"
data-rh="true" name="twitter:title" content="Prosper | Ilia Karelin | Substack"
data-rh="true" name="description" content="Every week, practical AI workflows, prompts, and guides you can put to use the same day - no matter your technical background. Click to read Prosper, by Ilia Karelin, a Substack publication with thousands of subscribers."
data-rh="true" property="og:description" content="Every week, practical AI workflows, prompts, and guides you can put to use the same day - no matter your technical background. Click to read Prosper, by Ilia Karelin, a Substack publication with thousands of subscribers."
data-rh="true" name="twitter:description" content="Every week, practical AI workflows, prompts, and guides you can put to use the same day - no matter your technical background. Click to read Prosper, by Ilia Karelin, a Substack publication with thousands of subscribers."
name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, viewport-fit=cover"
name="author" content="Ilia Karelin"
property="og:url" content="htt????/prosperinai.substack.com/"
name="google-site-verification" content="RhseMUyvwlWbNCQDkNXmqb__7qMlpAEV4QZKaVva5J0"

Load Info

page size436863
load time (s)0.484725
redirect count1
speed download118588
server IP 172.64.150.56
* all occurrences of the string "http://" have been changed to "htt???/"