1. performance api

2. performanceelementtiming api

3. performanceelementtiming api: id

4. performanceelementtiming api: url

5. performanceentry api

6. performanceentry api: duration

7. performanceentry api: entrytype

8. performanceentry api: name

9. performanceentry api: starttime

10. performanceentry api: tojson

11. performanceeventtiming api

12. performanceeventtiming api: target

13. performanceeventtiming api: tojson

14. performancelongtasktiming api

15. performancemark api

16. performancemark api: detail

17. performancemeasure api

18. performancemeasure api: detail

19. performancenavigation api

20. performancenavigationtiming api

21. performancenavigation api: tojson

22. performancenavigation api: type

23. performanceobserver api

24. performanceobserverentrylist api

25. performanceobserver api: observe

26. performancepainttiming api

27. performanceresourcetiming api

28. performancescripttiming api

29. performanceservertiming api

30. performanceservertiming api: name

31. performancetiming api

32. performancetiming api: connectend

33. performancetiming api: domloading

34. performancetiming api: fetchstart

35. performancetiming api: redirectend

36. performancetiming api: tojson

37. performance api: clearmarks

38. performance api: clearmeasures

39. performance api: eventcounts

40. performance api: getentries

41. performance api: getentriesbyname

42. performance api: getentriesbytype

43. performance api: mark

44. performance api: measure

45. performance api: memory

46. performance api: navigation

47. performance api: now

48. performance api: timeorigin

49. performance api: timing

50. performance api: tojson