1. Fetch

    A modern replacement for XMLHttpRequest.

  2. 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/">`

  3. Resource Hints: prefetch

    Informs the browsers that a given resource should be prefetched so it can be loaded more quickly. This is indicated using `<link rel="prefetch" href="(url)">`

  4. backgroundfetchevent api

  5. backgroundfetchmanager api

  6. backgroundfetchrecord api

  7. backgroundfetchregistration api

  8. fetch api

  9. fetchevent api

  10. fetchevent api: clientid

  11. fetchevent api: `fetchevent()` constructor

  12. fetchevent api: handled

  13. fetchevent api: isreload

  14. fetchevent api: preloadresponse

  15. fetchevent api: request

  16. fetchevent api: respondwith

  17. fetchevent api: respondwith: `networkerror` thrown if the request mode is `same-origin` and the response type is `cors`

  18. fetchevent api: respondwith: change in behavior when specifying the final url of a resource.

  19. fetchevent api: resultingclientid

  20. fetchlaterresult api

  21. fetchlaterresult api: activated

  22. fetch api: `authorization` header removed from cross-origin redirects

  23. fetch api: support for blob: and data:

  24. fetch api: send `readablestream` in body

  25. fetch api: `init.attributionreporting` parameter

  26. fetch api: `init.browsingtopics` parameter

  27. fetch api: `init.duplex` parameter

  28. fetch api: `init.keepalive` parameter

  29. fetch api: `init.priority` parameter

  30. fetch api: `init.referrerpolicy` parameter

  31. fetch api: `init.signal` parameter

  32. htmlimageelement api: fetchpriority

  33. htmllinkelement api: fetchpriority

  34. htmlscriptelement api: fetchpriority

  35. performanceresourcetiming api: fetchstart

  36. performancetiming api: fetchstart

  37. serviceworkerglobalscope api: `fetch` event

  38. window api: fetchlater

  39. html element: img: fetchpriority

  40. html element: link: fetchpriority

  41. html element: link: rel: rel=preload: `as=fetch`

  42. html element: script: fetchpriority

  43. headers http header: link: fetchpriority

  44. headers http header: permissions-policy: deferred-fetch

  45. headers http header: permissions-policy: deferred-fetch-minimal

  46. headers http header: sec-fetch-dest

  47. headers http header: sec-fetch-dest: `fencedframe` value

  48. headers http header: sec-fetch-mode

  49. headers http header: sec-fetch-site

  50. headers http header: sec-fetch-user