Case Study: CBS Interactive achieves faster page load times and better third-party performance control with SOASTA

CBS Interactive Prevents Third-Party Chaos with User Experience Data from SOASTA

CBS Interactive, the online content network behind CNET, ZDNet and TechRepublic, faced a major performance challenge as third-party scripts accounted for roughly 80% of page requests. With dozens of ads, tags and tracking services being added for revenue, the team needed a way to measure their impact on user experience and determine which scripts were slowing the site down.

CBS Interactive used SOASTA mPulse real user monitoring and synthetic data to benchmark page load times, compare third-party scripts side by side, and set performance budgets and SLAs for vendors. With SOASTA, the company optimized or removed costly services, prioritized page resources, and cut average page load time in half twice, reaching about 2.5 seconds while establishing a more performance-driven culture.

CBS Interactive

Jason Trester

Senior Director of Site Engineering