Requests getting lost at sea or need better and more careful handling? Error Logging and Beacon APIs will help. Wondering about the network weather? Network Information API is a work in progress. Finally, trying to chart a faster navigation course? Resource Hints should help... We'll take a quick tour of the latest perf-related specs, their use cases, and implementation status.
Ilya Grigorik is a web performance engineer and developer advocate at Google, where his focus is on making the web fast and driving adoption of performance best practices.