Price comparison is one of the key value propositions of trivago, and in doing so, we handle billions of prices everyday to provide our users with the most accurate and up to date price as possi...

Trivago's platform is a central hub for technology enthusiasts and travel industry professionals, offering insights into travel technology, data analytics, and online booking platforms. Through articles, case studies, and tech talks, Trivago offers insights into building scalable and personalized travel search engines. Developers can learn about data science techniques, recommendation algorithms, and real-time data processing to improve user experience in the travel industry.

Tech at trivago

Trivago aggregates billions of price data points to provide accurate price context to its users. By leveraging historic price data and utilizing tools like Kafka streams and BigQuery, they ensure quick and scalable data aggregation. Despite challenges related to data volume, coverage issues, and outlier detection, trivago successfully implemented a system that delivers price trends and metrics for various use cases. The project highlights the importance of simplicity, explorative analysis, careful assumption management, and thorough documentation.

How we aggregate 70 billion prices to show price context ...