I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you’re interested in attending. Continue reading
Category Archives: cls
What’s the Most Important Performance Metric?
TTFB? FCP? LCP? INP? CLS? Something else? What’s your most important perf metric? Continue reading
Investigating… can CLS cause a high LCP?
Speedcurve’s Page Speed Benchmarks reported Costco.com’s LCP averaging at 6.85s. But could it be that CLS is at least part of the problem? Read to find out! Continue reading
Hanging my web performance optimization shingle
If you or someone you know needs help with website performance optimizing, please feel free to reach out! Continue reading