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Proemailweb alternatives & similar sites

Proton: Privacy by default — 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
cell23.com ↗	70 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
idoly.com ↗	70 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
nainemail.com ↗	70 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
silo-investments.com ↗	70 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
siloinv.com ↗	70 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
alphasentryapp.com ↗	69 match 2 shared topics	AlphaSentry: Privacy Defender	en	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
kavachvpn.com ↗	68 match 2 shared topics	Kavach VPN - Your Online Privacy Shield	en	information-and-network-security	robotsllmsaihumans	emailphone	none
2piswap.com ↗	68 match 2 shared topics	2π Privacy Swap	en	information-and-network-security	robotsllmsaihumans	emailphone	none
leetprivacy.com ↗	68 match 2 shared topics	Protect Your Digital Privacy and Online Safety - Leet Privacy	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
brightvpn.com ↗	67 match 2 shared topics	Bright VPN - Free VPN service to protect your privacy	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
privacyreveal.com ↗	67 match 2 shared topics	PrivacyReveal - Privacy Leak Detector	en	information-and-network-security	robotsllmsaihumans	emailphone	none
milincorporated.net ↗	67 match 2 shared topics	Online privacy software from Mil Incorporated	en	information-and-network-security	robotsllmsaihumans	emailphone	none
milincorporated.org ↗	67 match 2 shared topics	Online privacy software from Mil Incorporated	en	information-and-network-security	robotsllmsaihumans	emailphone	none
alltheproxies.com ↗	67 match 2 shared topics	AllTheProxies - Free Web Proxy \| Anonymous Browsing, Privacy & Security	en	information-and-network-security	robotsllmsaihumans	emailphone	none
defend-vpn.com ↗	67 match 2 shared topics	DefendVPN - Protect Your Online Privacy	en	information-and-network-security	robotsllmsaihumans	emailphone	none
privakeep.com ↗	67 match 2 shared topics	PrivaKeep - Pricing	en	information-and-network-security	robotsllmsaihumans	emailphone	none
browserprivacyscore.com ↗	67 match 2 shared topics	Privacy Exposure Score	en	information-and-network-security	robotsllmsaihumans	emailphone	none
privisible.com ↗	67 match 2 shared topics	Privisible - Privacy Auditing Platform	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.