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Email testing and debugging has never been easier – HELO — 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 Email →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
familyemailhosting.com ↗	65 match 1 shared topics	Family Email Hosting - Family Email Hosting	en	email WordPress WooCommerce	robotsllmsaihumans	emailphone	none
usebouncer.com ↗	65 match 1 shared topics	Powerful, secure and Caring Email Verification - Usebouncer	en	email WordPress	robots llmsaihumans	emailphone	none
usetiramisu.com ↗	65 match 1 shared topics	Code email templates for teammates, build emails faster	en	email	robotsllmsaihumans	emailphone	none
lsoft-direct.com ↗	65 match 1 shared topics	LISTSERV email list software, email marketing software, email list hosting	en	email	robotsllmsaihumans	emailphone	none
lsoft.com ↗	65 match 1 shared topics	LISTSERV email list software, email marketing software, email list hosting	en	email	robotsllmsaihumans	emailphone	none
lsoftdirect.com ↗	65 match 1 shared topics	LISTSERV email list software, email marketing software, email list hosting	en	email	robotsllmsaihumans	emailphone	none
emails.ae ↗	65 match 1 shared topics	Buzinessware: Professional Email Hosting	AE en	email	robotsllmsaihumans	emailphone	none
emailservices.ae ↗	65 match 1 shared topics	Buzinessware: Professional Email Hosting	AE en	email	robotsllmsaihumans	emailphone	partial · 8
designerfreesolutions.com ↗	65 match 1 shared topics	Self-hosted email marketing tools for Windows and Linux servers	en	email	robotsllmsaihumans	emailphone	none
feeder.io ↗	65 match 1 shared topics	Feeder — Autonomous Email Intelligence	en	email	robotsllmsaihumans	emailphone	none
360reachout.com ↗	64 match 1 shared topics	360 ReachOut – Smart Email Marketing & Verification	en	email	robotsllmsaihumans	emailphone	none
didireply.app ↗	64 match 1 shared topics	Gmail Follow Up Reminders & Email Templates – Did I Reply?	en	email WordPress	robots llmsaihumans	emailphone	none
axiemails.com ↗	64 match 1 shared topics	AxieMails - Email & SMS Marketing for Ecommerce	en	email	robotsllmsaihumans	emailphone	none
axiescale.com ↗	64 match 1 shared topics	AxieMails - Email & SMS Marketing for Ecommerce	en	email	robotsllmsaihumans	emailphone	none
designemails.com ↗	64 match 1 shared topics	DesignEmails - Professional Email Template Builder	en	email	robotsllmsaihumans	emailphone	none
azrtech.com ↗	64 match 1 shared topics	Email Marketing and Website Management from AZR Tech	en	email	robotsllmsaihumans	emailphone	none
saudiemailhost.com ↗	64 match 1 shared topics	Saudi Email Hosting - Best Email Hosting Provider in Saudi Arabia	en	email	robotsllmsaihumans	emailphone	none
digitalsprems.cfd ↗	64 match 1 shared topics	ImprovMX — Free email forwarding	en	email	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.