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Crackingdrupal alternatives & similar sites

Cracking Drupal | Drupal Security Book, Resources, Reviews — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Web Development →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
html5security.org ↗	68 match 2 shared topics	HTML5 Security Resources Repository	en	web-development	robotsllmsaihumans	emailphone	none
phppentest.com ↗	65 match 2 shared topics	PHP Pentest - Professional PHP Security Audits & Code Review	en	information-and-network-security	robotsllmsaihumans	emailphone	none
economic-education.eu ↗	65 match 2 shared topics	UniBi Security Check	European Union en	information-and-network-security	robotsllmsaihumans	emailphone	none
cwsecuredesigns.com ↗	64 match 2 shared topics	CW Secure Designs \| Web Design & Digital Security Consulting	en	web-development WordPress WooCommerce	robots llmsaihumans	emailphone	none
cybxron.com ↗	64 match 2 shared topics	Cybxron \| Security & Engineering Studio	en	information-and-network-security	robotsllmsaihumans	emailphone	none
0dayslash.com ↗	64 match 2 shared topics	0DaySlash — Web3 Security Audits	en	web-development	robotsllmsaihumans	emailphone	partial · 8
koenrh.com ↗	64 match 2 shared topics	Koen Rouwhorst - Security Engineer	en	web-development	robots llms ai humans	emailphone	none
koenrouwhorst.com ↗	64 match 2 shared topics	Koen Rouwhorst - Security Engineer	en	web-development	robotsllmsaihumans	emailphone	none
kifaru.dev ↗	64 match 2 shared topics	KifaruLabs \| Advanced Information Security Research	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
shafiqm.com ↗	64 match 2 shared topics	Muyivu Shafiq – Web Architect & Security Researcher	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
https-hardening.com ↗	64 match 2 shared topics	Web Security Headers & HTTPS Hardening \| HTTPS Hardening	en	information-and-network-security	robotsllmsaihumans	emailphone	none
24sept.com ↗	64 match 2 shared topics	24Sept - Cybersecurity & Secure Development	en	web-development	robotsllmsaihumans	emailphone	none
gtaylorgroup.com ↗	64 match 2 shared topics	George A Taylor \| Software Engineer & Security Researcher	en	web-development	robotsllmsaihumans	email phone	none
chandanapathirage.com ↗	64 match 2 shared topics	Chandana Pathirage \| Software Engineer & Security Researcher	en	web-development	robotsllmsaihumans	emailphone	none
httpsecure.org ↗	64 match 2 shared topics	HTTPSecure - Community-Driven Security Test Cases	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
csp-generator.com ↗	63 match 2 shared topics	CSP Generator - Create Content Security Policy Online	en	information-and-network-security	robots llmsaihumans	emailphone	none
httpfu.com ↗	63 match 2 shared topics	Soroush Dalili \| A web application security ninja 🥷	en	information-and-network-security	robotsllmsaihumans	emailphone	none
checksecurityheaders.com ↗	63 match 2 shared topics	Check Security Headers - Analyze HTTP Security Headers	en	information-and-network-security	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.