SSP Comparison

Stellor Media vs. PubMatic — Which SSP is Right for Your Site?

Publisher-first monetization versus enterprise-scale programmatic — understanding which SSP fits your web publishing business.

PubMatic is a publicly traded programmatic advertising platform that operates as both an SSP and a programmatic marketplace. Founded in 2006, PubMatic serves a range of publisher types including large media companies, app developers, and digital publishers across multiple formats including display, video, and CTV.

PubMatic's platform includes supply-side technology, a curated marketplace connecting buyers and sellers, and identity solutions for the cookieless era. They typically focus on publishers with significant scale — major media properties, app developers with large user bases, and programmatic direct participants.

StellorMedia is a publisher-focused SSP specifically designed for web publishers, with dedicated account management, rapid onboarding, and optimization focused on web display and video monetization. The comparison below is based on publicly available information.

Note: All competitor information is based on publicly available sources. Specific terms, features, and requirements may change and should be verified directly with PubMatic.

Feature Comparison

Feature	Stellor Media	PubMatic
Primary Focus	Web publisher monetization	Enterprise-scale programmatic marketplace
Onboarding Speed	48-hour managed setup	Typically weeks for enterprise integration
Minimum Traffic	See publisher quiz	Typically oriented toward large publishers with significant scale
Account Management	Dedicated account manager for all partners	Account management typically for enterprise clients
Header Bidding	Prebid.js — fully managed	Prebid.js supported with self-serve configuration
Identity Solutions	UID2, RampID support	Identity Hub — multiple ID solution support
Video	Outstream video focus for web publishers	Broad video including CTV, FAST, streaming

When to Choose Stellor Media

Smaller to mid-size web publishers who want dedicated account management and managed technical setup
Publishers who prioritize speed of integration — Stellor's 48-hour onboarding versus weeks for enterprise platforms
Sites looking for a publisher-first SSP whose business model is fully aligned with publisher success
Publishers who want proactive optimization support rather than self-serve tools

When PubMatic Might Be Better

Very large publishers (major media companies, top-100 comScore properties) with enterprise-level programmatic needs
Publishers with significant CTV or streaming inventory looking for a specialized video platform
Publishers who require enterprise-grade deal management and direct buyer relationship infrastructure
Publishers already deeply integrated with PubMatic's marketplace and satisfied with performance

Frequently Asked Questions

Can I use both Stellor Media and PubMatic?

Yes. Header bidding allows multiple SSPs to compete simultaneously. Using Stellor Media alongside PubMatic adds demand competition without replacing existing revenue.

Does PubMatic have minimum traffic requirements?

PubMatic's requirements vary. Based on publicly available information, they appear to focus primarily on larger publishers. Contact PubMatic directly for current requirements.

Which SSP offers better yield optimization for mid-size publishers?

Mid-size publishers typically benefit more from Stellor Media's dedicated account management and managed optimization approach, versus PubMatic's enterprise-focused self-serve tools.

How does revenue share compare?

Revenue share terms are proprietary for both platforms. We recommend requesting detailed terms from both and comparing the net revenue yield you receive rather than the listed revenue share percentage.

See How Stellor Media Performs on Your Inventory

The best comparison is a live head-to-head test. Stellor Media integrates via Prebid.js alongside your existing setup — no risk to existing revenue while you evaluate.

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