Helping ad tech companies find publishers



Increase your inventory using our Find Publishers tool.

Red Volcano gives you direct access to the details of over 24 million publishers. Filter by Ad tag, Geo, IAB Category, Language, Page Views etc.

Know exactly who your competitors are closing and losing each week.

Each week, we send you a list of all the publishers that your competitors close, or lose. This list shows you exactly who is in market.

Find Publisher networks.

Streamline your sales efforts – we show you which sites are being monetized as a network and give you the tools to delve deeper.

“The weekly site list from Red Volcano has transformed our sales. Now when we speak to a publisher we know they are in-market for our solution.”

Richard Cook, Trade House Media

“This has had made an immeasurable difference to our business. The Find Publishers tool helps us locate all the websites working with our competitors.”

Gary Calladine, ZoomMail

“Having access to Publisher Networks within the UI is a game-changer, we’ve never used such a complete platform before”

Herman Mantel, Ancora Media Solutions

“Red Volcano has proven that they lead the field in Ad Tech research tools.”


“Having used Red Volcano’s Web Discover Platform for years, we have come to trust both their reliability, and their unique understanding of the industry.”



Finding Header Bidder publishers | Trade House Media

Before working with Red Volcano

Our business depends on increasing revenue for publishers who monetise through header bidding. Finding these publishers can prove incredibly difficult.

After working with Red Volcano

Red Volcano have transformed our publisher acquisition. We are able to instantly find thousands of publishers with the UI who exactly fit our target market. Red Volcano also feed us weekly reports of sites that have added or removed Prebid.js and Index Exchange wrappers, and this means we have a constant source of new business.

Richard Cook – Executive Director at Trade House Media

Tracking the competition | Ancora Media Solutions

Before working with Red Volcano

Ancora offers great revenue generation for Benelux market, but knowing what our competition is doing is critcal.

After working with Red Volcano

With Red Volcano we are able to see which SSPs and Adservers our competition is working with. The alerts that Red Volcano send us mean we can beat our rivals to each deal.

Herman Mantel – Co Founder at Ancora

Benefits of working with Web Discovery

  • Built purely for Ad Tech

  • Quick access to 24 million publishers

  • Contact details for Web Publishers

  • A simple monthly subscription

  • Easy contract commitment

  • Weekly notifications on competitors’ ads.txt lines

  • Weekly alerts based on your filter criteria

  • Full Sellers.json and Ads.txt searching



How do you gather your data?

Our crawling technology visits 24 million sites every week to determine what Ad Technologies they are running, what content they have, and we supplement that with contact and traffic data.

Do you provide training?

Absolutely, we provide an hours training once you are signed up. If you have new employees or need us to repeat the training, no problem, just let us know and we’re happy to help.

Where do your list of domains come from?

We use our own proprietary technology to build the full list of publishers and their ranking.

Do you track {X} technology?

A full list of the technologies we track is available during a demo. If we’re missing one, we can get this added within 1 week

Do you have a minimum contract length?

Yes, our minimum contract length is 6 months, after this it’s a simple rolling monthly contract.

Do you integrate with our CRM?

We integrate with Hubspot, Salesforce, Zoho, and Pipedrive. If we’re missing your CRM, simply make a support request and we’ll get it added.

Can I get a free demo account?

Sure. Please mention that you’d like test the platform out during your screenshare demo.

How are you different from SimilarWeb / Datanyze / Builtwith?

We are the only platform 100% built for ad tech. By focusing just on tools and data for ad tech companies we are able to offer a much more refined product at a significantly lower price.

Who are you guys?

We’re headed up by Barrie Jarman, who spent 14 years building supply-side ad tech platforms. He saw the need for supply-side research tools and so Red Volcano was born!