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Antispam alternatives & similar sites

Antispam.br :: — 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
privacidadebr.com ↗	55 match shared topic	Atenda os Requisitos da LGPD com o Sistema PrivacidadeBR	pt	information-and-network-security	robotsllmsaihumans	emailphone	none
encurtador.com.br ↗	28 match shared topic	Encurtador de URL	Brazil pt	internet	robotsllmsaihumans	emailphone	none
certisign.com.br ↗	28 match shared topic	Certisign \| Certificado Digital, Assinatura Eletrônica e Identificação	Brazil pt	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
kaspersky.com.br ↗	28 match shared topic	Soluções de cibersegurança da Kaspersky para residências e empresas \| Kaspersky Brasil	Brazil pt	information-and-network-security	robotsllmsaihumans	emailphone	none
safeweb.com.br ↗	28 match shared topic	Safeweb \| Certificado Digital para CNPJ e CPF - A1 e A3	Brazil pt	information-and-network-security	robotsllmsaihumans	emailphone	none
kaspersky.pt ↗	28 match shared topic	Soluções de cibersegurança da Kaspersky para particulares e empresas \| Kaspersky	Portugal pt	information-and-network-security	robotsllmsaihumans	emailphone	none
cert.br ↗	28 match shared topic	CERT.br – Centro de Estudos, Resposta e Tratamento de Incidentes de Segurança no Brasil	Brazil pt	information-and-network-security	robotsllmsaihumans	emailphone	none
certificado.com.br ↗	28 match shared topic	Certificado	Brazil pt	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
acesse.one ↗	28 match shared topic	Encurtador de Link	pt	internet	robotsllmsaihumans	emailphone	none
l1nk.dev ↗	28 match shared topic	Encurtador de Link	pt	internet	robotsllmsaihumans	emailphone	none
rg.com.br ↗	28 match shared topic	RG.com.br – Internet com Identidade.	Brazil pt	internet WordPress	robotsllmsaihumans	emailphone	none
politicaprivacidade.com ↗	18 match shared topic	Política de Privacidade e Termos de Uso - Gerador Grátis Online	pt	internet	robotsllmsaihumans	emailphone	none
wppredirect.com ↗	18 match shared topic	GERADOR DE LINKS PARA WHATSAPP	pt	internet WordPress WooCommerce	robotsllmsaihumans	emailphone	none
forumeiros.com ↗	18 match shared topic	Criar um fórum gratuito - FORUMEIROS.com	pt	internet phpBB	robotsllmsaihumans	emailphone	none
naming.com.br ↗	18 match shared topic	Naming - Domínios Premium	Brazil pt	sales	robotsllmsaihumans	emailphone	none
strzero.com.br ↗	18 match shared topic	StrZero \| Soluções Digitais & Segurança de Dados	Brazil pt	information-and-network-security	robotsllmsaihumans	emailphone	none
backlinks.show ↗	18 match shared topic	www.0f.com.br	pt	search	robotsllmsaihumans	emailphone	none
driblepropaganda.com.br ↗	18 match shared topic	DRIBLE - 100% especializada em Sites para Provedores de Internet	Brazil pt	internet	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.