From 'Fully Loaded' to Core Web Vitals: Understanding the Evolution of Performance Metrics

Over the last few years, we’ve seen a flurry of new performance metrics as the industry has put a priority on accurately measuring the entire performance journey.

We’ve matured past looking merely at a theoretically “fully loaded” state to finding ways to holistically measure the experience instead with focuses on key, user-focused milestones. But with the new flurry of metrics has come challenges around stability and consistency, making it hard for organizations to create reliable goalposts to aim for.

In this talk, Patrick and Tim explore how we got to this point, the metrics we’ve loved along the way, and how the new core web vital metrics are seeking to provide some stability to the picture. They get into the weeds about how each metric is reported, what they’re good at, and a few shortcomings and gotcha’s to be aware of.

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