The Performance Timing API is designed to support the collection of high resolution performance metrics in modern web browsers. This API is an implementation of the W3C Performance Timeline API. It's still under active development and is subject to non-backward compatible changes.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.