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Df3Ndr alternatives & similar sites

Homepage | DF3NDR — 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 Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
showmeurgoods.com ↗	68 match 2 shared topics	Homepage - GeN4 Security+	en	information-and-network-security	robotsllmsaihumans	emailphone	none
dcybr.com ↗	66 match 2 shared topics	Home \| DCYBR	en	information-and-network-security	robotsllmsaihumans	email phone	none
alex-ulmer.info ↗	66 match 2 shared topics	Alex Ulmer - Personal Homepage	en	technology-and-computing Drupal	robotsllmsaihumans	emailphone	none
dcromm.dev ↗	65 match 2 shared topics	Home \| David’s Blog	en	technology-and-computing	robotsllmsaihumans	emailphone	none
kosec.io ↗	64 match 2 shared topics	Home \| KOSEC	en	information-and-network-security	robotsllmsaihumans	emailphone	none
0xkato.xyz ↗	64 match 2 shared topics	Home \| 0xkato	en	information-and-network-security	robotsllmsaihumans	emailphone	none
bavarya.com ↗	64 match 2 shared topics	Home \| Aurora 247	en	technology-and-computing	robotsllmsaihumans	emailphone	none
mooney.io ↗	63 match 2 shared topics	Home \| Nick Mooney	en	technology-and-computing	robotsllmsaihumans	emailphone	none
vladvlaicu.com ↗	63 match 2 shared topics	Home	en	information-and-network-security	robotsllmsaihumans	emailphone	none
vkraven.com ↗	62 match 2 shared topics	vkraven - Home	en	information-and-network-security	robotsllmsaihumans	emailphone	none
csn3rd.com ↗	62 match 2 shared topics	CSN3RD.com Home	en	technology-and-computing	robotsllmsaihumans	emailphone	none
3coresec.com ↗	62 match 2 shared topics	3CORESec \| Home	en	technology-and-computing Webflow	robotsllmsaihumans	emailphone	none
comthings.com ↗	62 match 2 shared topics	Home - ComThings	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
confidtech.net ↗	62 match 2 shared topics	Home - confidtech	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
confidtech.org ↗	62 match 2 shared topics	Home - confidtech	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
overwatch.tech ↗	62 match 2 shared topics	Home REAL - Overwatch	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	partial · 8
hermenau.dev ↗	62 match 2 shared topics	Evan Hermenau \| Home	en	information-and-network-security	robotsllmsaihumans	emailphone	none
hexadecimaldinosaur.com ↗	62 match 2 shared topics	Ivy Fan-Chiang - Home	en	information-and-network-security	robotsllmsaihumans	emailphone	full · 20

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.