Rankings & Reports — 2026

Definitive, data-backed rankings and analysis of the programmatic advertising ecosystem. Updated quarterly with Red Volcano's proprietary data.

● Data last updated: March 09, 2026
📈

All Reports

Top 10 SSPs by Publisher Count

SSPs ranked by the number of publishers listing them in ads.txt.

Top 10 Header Bidding Partners

The most widely adopted header bidding demand partners.

Top 25 Publishers Globally

The highest-traffic publishers with active programmatic advertising.

Top 10 Publishers in North America

Leading programmatic publishers in the US and Canada.

Top 10 Publishers in Europe

Leading programmatic publishers across European markets.

Top 10 Publishers in APAC

Leading programmatic publishers in Asia-Pacific.

Top 10 SSPs for News Publishers

The most popular SSPs among news and media publishers.

Top 10 SSPs for Gaming Publishers

The most popular SSPs among gaming publishers.

Top 10 SSPs for Sports Publishers

The most popular SSPs among sports publishers.

Top 10 Technologies by Publisher Count

The most widely adopted ad technologies by publisher count.

Top 10 Consent Management Platforms

The most widely adopted CMPs ranked by publisher count.

Top 10 Countries by Publisher Count

Countries with the most publisher websites.

Top 10 Countries by ads.txt Adoption

Countries ranked by ads.txt adoption rate.

Top 10 Countries by Header Bidding Adoption

Countries ranked by header bidding adoption rate.

Want the full dataset?

Red Volcano tracks 32M+ publishers with weekly-updated data. See every publisher, technology, and SSP relationship.

Book a Demo → View Pricing
📊

Get the Complete Dataset

What you see here is just a preview. Red Volcano customers get access to the full, unfiltered dataset — including:

Book a 15-minute call and we’ll walk you through the platform live.

Book a Demo → View Pricing