1. Resource Hints: dns-prefetch

    Gives a hint to the browser to perform a DNS lookup in the background to improve performance. This is indicated using `<link rel="dns-prefetch" href="https://example.com/">`

  2. backgroundfetchevent api

  3. backgroundfetchevent api: `backgroundfetchevent()` constructor

  4. backgroundfetchevent api: registration

  5. backgroundfetchmanager api

  6. backgroundfetchmanager api: fetch

  7. backgroundfetchmanager api: get

  8. backgroundfetchmanager api: getids

  9. backgroundfetchrecord api

  10. backgroundfetchrecord api: request

  11. backgroundfetchrecord api: responseready

  12. backgroundfetchregistration api

  13. backgroundfetchregistration api: abort

  14. backgroundfetchregistration api: downloaded

  15. backgroundfetchregistration api: downloadtotal

  16. backgroundfetchregistration api: failurereason

  17. backgroundfetchregistration api: id

  18. backgroundfetchregistration api: match

  19. backgroundfetchregistration api: matchall

  20. backgroundfetchregistration api: `progress` event

  21. backgroundfetchregistration api: recordsavailable

  22. backgroundfetchregistration api: result

  23. backgroundfetchregistration api: uploaded

  24. backgroundfetchregistration api: uploadtotal

  25. backgroundfetchupdateuievent api

  26. backgroundfetchupdateuievent api: `backgroundfetchupdateuievent()` constructor

  27. backgroundfetchupdateuievent api: updateui

  28. serviceworkerglobalscope api: `backgroundfetchabort` event

  29. serviceworkerglobalscope api: `backgroundfetchclick` event

  30. serviceworkerglobalscope api: `backgroundfetchfail` event

  31. serviceworkerglobalscope api: `backgroundfetchsuccess` event

  32. serviceworkerregistration api: backgroundfetch