[VDBUH2025] - Benjamin Degerbaix & Diana Cibu - How We Handle Over 1 Trillion HTTP Requests ...

Imagine you’re surfing the web, perhaps reading your favorite online newspaper, and you notice ads related to something you recently checked on a retail website. You might wonder: who’s following me? Who’s behind this? Well, it could be us.

At Criteo, we excel in AdTech. As one of the largest AdTech platforms globally, we play a significant role in the digital advertising ecosystem. You might think AdTech doesn’t affect you or isn’t relevant to your daily life, but let us show you how pervasive and impactful it truly is. Join our talk to discover more.

The technical challenges we tackle are immense. On Black Friday alone, we handle over 1 trillion HTTP requests, with more than 19 million queries per second, and ingest vast amounts of data daily. To put this into perspective, we serve over 5 billion ads per day on average. Imagine the tech stack required to support such traffic! We’ll explain it all, and you’ll be amazed by our robust infrastructure.

Moreover, we’re proud to be 100% on-premise and fully committed to sustainability. You’ll learn about our efforts in this area as well.

Are you intrigued? Join us to learn how we manage these challenges without losing sleep.