October 2023 Release Notes

RUM Request waterfall

Real user experiences now include a partial request waterfal with the most important network requests.

Better page speed recommendations

Our recommendations now detect old image formats, mis-sized images, and large CSS files. In addition to that each recommendation now comes with a rating indicating potential impact.

We've also integrated our CSS Size Analyzer directly into your test result data.

RUM connection info

RUM data now includes estimated connection speeds based on the Network Information API. This includes bandwidth and round trip time (RTT).

New articles

• Why Optimizing CSS Stylesheets Matters For Page Speed – learn how to optmimize the size of your CSS code
• Packet Level Throttling: Collecting Reliable Page Speed Data – understand how to collect high-quality web performance data
• Improve Page Speed With GZIP Or Brotli Compression – speed up your website with HTTP text compression

We've also uploads a new Youtube shorts video on lab vs field data!

View other changelog entries