Server-side ad serving for an improved site experience
Fast load times
Server-side ads aren't slowed down by ad tags, improving the customer browsing experience and eliminating jumpy content.
Relevant ads
Server-side ads utilize first-party data which means better, more relevant ads for users.
Higher revenue
Server-side ads can help publishers unlock untapped revenue by monetizing ad blocked users.
The right creative for the right user at the right price
See fast load times, relevant ads, and higher revenue from custom auctions.
Right creative
Your creatives should be as unique as your business. With custom creatives, our decisioning always selects the right creative for your available ad space.
Right user
Our algorithms select the right user in audience segments based on their previous behavior, the context of their experience, what ads they’ve seen recently, ad relevance scoring, and what they are likely to do in the future.
Right price
With first and second price auctions, or guaranteed pricing, you get control over how you earn ad revenue.
No more worrying about under or over delivery
Your ads are paced the way you want them, giving you control over when and how they serve.
Case Study
Discover how Blockthrough saw fill rate improved by 12% and revenue for its publishing clients by 10%
Blockthrough builds server-side header bidding stack using Relay’s APIs
Blockthrough’s server-side solution enabled them to scale demand without taxing user experience and unlock incremental revenue.
"We chose a backend API solution because minimizing ad latency was important to us. We’re seeing less than 100ms response times with Kevel — an order of magnitude faster than other ad servers."
