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Magnite alternatives & similar sites

Magnite - The Largest Independent Sell-Side Advertising Company — 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 Marketing And Advertising →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
flashtalking.com ↗	65 match shared topic	The premier global independent, omnichannel advertising platform \| Innovid	en	advertising-industry	robotsllmsaihumans	emailphone	none
sellmoreonline.io ↗	65 match shared topic	Paid Advertising Agency \| Sell More Online	en	marketing-and-advertising	robotsllmsaihumans	emailphone	none
cherubinicompany.com ↗	65 match shared topic	Digital Marketing, Advertising, & Design Agency \| The Cherubini Company	en	marketing-and-advertising WordPress WooCommerce	robotsllmsaihumans	email phone	none
openx.com ↗	65 match shared topic	Programmatic Advertising \| Supply-Side Platform - OpenX	en	marketing-and-advertising WordPress	robotsllmsaihumans	emailphone	none
buysellads.com ↗	65 match shared topic	Advertising Solutions for Publishers and Marketers \| BuySellAds	en	advertising-industry HubSpot	robotsllmsaihumans	emailphone	none
arizonaballoon.com ↗	65 match shared topic	Helium Advertising Blimps & Balloons \| Arizona Balloon Company	United States~ en	advertising-industry WordPress WooCommerce	robotsllmsaihumans	email phone	none
cordmedia.com ↗	65 match shared topic	Cord Media Company \| Full Service Advertising Agency	en	advertising-industry WordPress	robotsllmsaihumans	emailphone	none
alecanmarketing.com ↗	65 match shared topic	Digital Marketing Agency - Award Winning Advertising Company	United States~ en	advertising-industry WordPress	robotsllmsaihumans	emailphone	none
redmotion.in ↗	65 match shared topic	Red Motion Branding – Advertising Agency India \| Digital Branding Company, Packaging Design Company in India, Website Development in Ahmedabad	India en	marketing-and-advertising WordPress	robotsllmsaihumans	emailphone	none
media.net ↗	65 match shared topic	Media.net \| The Sell Side Platform for Greater Outcomes	en	marketing-and-advertising WordPress	robotsllmsaihumans	emailphone	none
portsideadvertising.com ↗	65 match shared topic	Portside Advertising - Collaborative Creative & Digital Agency, Fairhope AL	en	advertising-industry WordPress	robotsllmsaihumans	emailphone	none
longislandmedia.com ↗	65 match shared topic	Long Island Media Inc. - Internet Advertising Company - Advertising Agency	United States~ en	marketing-and-advertising	robotsllmsaihumans	email phone	none
gumgum.com ↗	65 match shared topic	GumGum \| The Mindset Company™ – CTV, OLV & High Impact Display Advertising	United States~ en	marketing-and-advertising Bitrix	robotsllmsaihumans	emailphone	partial · 7
networkadvertising.org ↗	60 match shared topic	Home - The NAI: Network Advertising Initiative	en	advertising-industry WordPress	robotsllmsaihumans	emailphone	none
marketing-advertising.biz ↗	60 match shared topic	Marketing + Communications + Advertising \| Contact Us to Get Business Done	en	marketing-and-advertising WordPress	robotsllmsaihumans	emailphone	none
adage.com ↗	60 match shared topic	Advertising, Marketing, Media and Tech News - Ad Age	en	marketing-and-advertising	robotsllmsaihumans	emailphone	partial · 8
plumbermarketing.com ↗	60 match shared topic	Plumber Marketing \| Plumbing Marketing and Advertising - The Plumber Marketing Specialists	en	marketing-and-advertising Joomla	robotsllmsaihumans	emailphone	none
n2co.com ↗	60 match shared topic	The N2 Company \| Connect with Your Ideal Clients	United States~ en	marketing-and-advertising WordPress	robots llmsaihumans	emailphone	partial · 9

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.