Deep Dive into Third-Party Performance - Managing Impact on User Experience

Dive deep into the world of third-party performance in this 46-minute conference talk from performance.now() 2019. Explore HTTP Archive, browser developer tools, and Real User Monitoring (RUM) data to uncover which third-party tags significantly impact user experience. Learn how ad blockers affect site speed and what to consider when evaluating new third-party services. Discover techniques for managing third-party performance and security without creating friction with marketing and analytics teams. Gain insights on script loading strategies, tag managers, and the importance of sync loading. Examine real-world incidents involving compromised services, malicious ads, and crypto miners. Understand the significance of Subresource Integrity and Content Security Policy in protecting your site. Evaluate performance impacts and learn to leverage platform features for optimization. Access accompanying slides and additional resources to enhance your understanding of third-party performance management.

Intro
Third-parties?
Fancy a super power?
sync is still king(!)
Beware your script loading strategy
Tag managers allow for this
the missing revenue
The discovery
Subresource Integrity
Incident 3: the "performance" tool
the review provider
The defense
the malicious ads TS ALLE
Content Security Policy CEFITS ALLE
the crypto miner
Many compromised services...
CryptoMiner Use
the "optimisation"
Evaluate performance
Use the platform