Talk
Julian Jandl at performance.sync() 2025: Peak Performance with Partytown: Tackling the 3rd party challenge in big enterprises - A Case Study

Description
performance.sync() is a meetup sponsored by Mozilla taking place on Wednesday October 29th - the evening before performance.now()!
What to Expect
Enjoy drinks and light snacks in a relaxed atmosphere where you can connect with fellow attendees and speakers. Whether you’re here to learn or share, this is a great opportunity to meet others passionate about web performance.
Schedule
We’re excited to feature a lineup of short talks from performance experts across the community:
Sergey Chernyshev - 7 Levels of a Web Performance Journey
Andrea Verlicchi - Improving Web Responsiveness - Interactivity improvements from real-world cases
Brian Ramirez - Noise-Cancelling RUM-Based Alerting: Key Insights from Our Anomaly Detection Journey
Medhat Dawoud - Speculation Rules in a Nutshell
Robin Marx - Compression Dictionaries: Early Findings
Michael Hablich - Using Model Context Protocol (MCP) to let your AI agent debug performance issues
Julian Jandl - Peak Performance with Partytown: Tackling the 3rd party challenge in big enterprises - A Case Study
Mike Kozicki - A New Approach for Cross-Browser Testing: A Community-First Approach
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