1. User Timing API

    Method to help web developers measure the performance of their applications by giving them access to high precision timestamps.

  2. performancemeasure api

  3. performancemeasure api: detail

  4. performance api: clearmeasures

  5. performance api: measure

  6. performance api: measureuseragentspecificmemory

  7. performance api: measure: `measureoptions.details.devtools` parameter

  8. performance api: measure: `measureoptions` parameter

  9. performance api: measure: returns `performancemeasure`