Google and DAZN set out with the challenge to deliver targeted ads in one of the most popular sports events of the year – and executed it flawlessly
For this summer’s FIFA Club World Cup, DAZN opened up its platform to let fans watch the FIFA Club World Cup for free, with ad support. With its long sports streaming record, the company wanted something that it could deliver to fans at scale. Plus, for DAZN’s advertisers, the rewards could be great.
“The data we have now about every sports fan globally is gold,” said DAZN’s Tiku.
However, to deliver its premium viewing experience at the scale required by the event, giving every customer globally the same experience, with personalised ads, was a complex undertaking. With personalised ad insertion at that scale, a lot could go wrong. Latency had to be considered. Additionally, the various OS needed to be as seamless as the content delivery. How was DAZN to prepare for that without understanding what the traffic would be?
“I have been working with DAZN for three years,” said Dev. “I don’t follow football – don't even understand it – but I understand technology and I understand user experience.”
A rigorous testing phase ensued, modelling up to 300 million concurrent views within five minutes. Google's infrastructure is distributed, not monolithic, and so it couldn’t be assumed that every viewer would get the same experience.
“We’d already been working together,” said Tiku. “We know those things work, but would they work at scale. How do we ensure it doesn’t cause buffering at that scale?
“We failed really badly to start with,” he continued. “But quickly, between us and our CDN providers, we got it right. During the FIFA Club World Cup, we were keeping a watch on customer feedback 24/7. There was not even a single bit of feedback from any country complaining about buffering.”
Testing across four or five months meant that the DAZN team could optimise the delivery and then put multiple processes in place to weather any trouble spots.
“We had multiple levels,” said Tiku on the bulwark of responses designed to protect the system from errors. “If everything went wrong, (a fifth – and final – level of disaster), our DAZN app across all devices would automatically switch to safe mode with no advertisements. Viewers would have a plain screen and still be able to just watch.”
New infrastructure was built in London to support this final failsafe.
“No opportunity that is worth monetising should be lost,” said Dev. The rich mine of data that DAZN has collected not only means better returns for advertisers but a better experience for fans.
Tiku underlined that data isn’t just about what the customer is up to, but the entire data environment they live in.
“Use the data. We tend to focus on the personal but [we should] bring in the whole ecosystem. What is the day of the year? Is it Valentine’s Day? Bring it in so it becomes part of the experience and something the customer likes, not wants to avoid.”
Adrian Pennington recently investigated how Sky Sports is delivering UHD footage of the Lions Tour in Australia with remote production techniques. Discover more here.
Can genAI unlock ad revenue for cash-strapped broadcasters?
The first AI-created adverts are coming to TV as broadcasters look to compete with social media. ITV and Channel 4 explain why they are now scaling up.
5G in broadcast: Standalone capacity to expand broadcasters' horizons
After a few years of stagnation, there are indications that 5G could soon begin to realise its considerable potential for live broadcast, writes David Davies.
Content Everywhere companies drill down on agentic AI
This year’s IBC saw plenty of discussion about the practical applications of generative and agentic AI. This was particularly evident on the AWS stand in Hall 5, where a third of the demos by partner companies were described as agentic AI-driven. This month’s issue provides Content Everywhere companies with the opportunity to explain where and how they are using agentic AI, and how they see it evolving in future.
Paralysing piracy: Industry grapples with growing, industrial-scale theft
Although the broadcast industry has been rife with theft since the early days of cable TV, it now faces piracy at an industrial scale and speed. At IBC2025, a panel of security experts warned that illegal streaming is accelerating in scale, sophistication, and impact.
Henley Festival: Private 5G innovation transforms live production
A private 5G network POC, led by Haivision, saw Henley Festival capture a range of dynamic, ultra-low latency footage for an immersive live experience for music lovers at home.



