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2Fa alternatives & similar sites

2FA OTP by PK — 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
armavel.com ↗	64 match 1 shared topics	Armavel	United States~ en	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
armatech-industries.com ↗	63 match 1 shared topics	ArmaTech	en	information-and-network-security	robotsllmsaihumans	emailphone	none
armadllo.space ↗	63 match 1 shared topics	Byte by Byte - Armadllo in Space	en	information-and-network-security	robotsllmsaihumans	emailphone	none
armanhz.com ↗	63 match 1 shared topics	Arman's blog	en	information-and-network-security	robotsllmsaihumans	emailphone	none
armanet.io ↗	62 match 1 shared topics	Armanet \| Home	en	information-and-network-security	robotsllmsaihumans	emailphone	none
armankolozyan.com ↗	62 match 1 shared topics	Arman Kolozyan	en	information-and-network-security	robotsllmsaihumans	emailphone	none
bydana.eu ↗	62 match 1 shared topics	Log in \| by DANA	European Union en	information-and-network-security Drupal	robotsllmsaihumans	emailphone	none
securitybywisdom.com ↗	62 match 1 shared topics	Security By Wisdom	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
securityreading.org ↗	62 match 1 shared topics	Stanford Security Reading Group by securitylab	en	information-and-network-security	robotsllmsaihumans	emailphone	none
securityfirst.io ↗	62 match 1 shared topics	Security First by Sefisa	en	information-and-network-security	robotsllmsaihumans	emailphone	none
armadadigitalnusantara.com ↗	62 match 1 shared topics	PT Armada Digital Nusantara	en	information-and-network-security	robotsllmsaihumans	emailphone	none
armanthecyber.com ↗	62 match 1 shared topics	Arman The Cyber \| Terminal	en	information-and-network-security	robotsllmsaihumans	emailphone	none
getanvilsecure.com ↗	62 match 1 shared topics	Anvil Secure: Bespoke Penetration Testing, Powered by People	en	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
securitylinkpi.com ↗	62 match 1 shared topics	SecurityLink by Investigate	en	information-and-network-security	robotsllmsaihumans	emailphone	none
hois.ch ↗	62 match 1 shared topics	Proton: Privacy by default	Switzerland en	information-and-network-security	robotsllmsaihumans	emailphone	none
pronoco.com ↗	61 match 1 shared topics	ClearCoat by Pronoco - Invisible Encryption for Any Web Application	en	information-and-network-security	robotsllmsaihumans	emailphone	none
botvrij.eu ↗	61 match 1 shared topics	botvrij.eu - powered by MISP	European Union en	information-and-network-security	robotsllmsaihumans	emailphone	none
0pon.com ↗	61 match 1 shared topics	0pon, LLC \| Ephemeral by design	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.