nt-Security-Policy-Report-Only ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only)
    36. [ ` Content-Type ` ](/en-US/docs/Web/HTTP/Headers/Content-Type)
    37. [ ` Cookie ` ](/en-US/docs/Web/HTTP/Headers/Cookie)
    38. [ ` Critical-CH ` ](/en-US/docs/Web/HTTP/Headers/Critical-CH) Experimental 
    39. [ ` Cross-Origin-Embedder-Policy ` ](/en-US/docs/Web/HTTP/Headers/Cross-Origin-Embedder-Policy)
    40. _[ ` Cross-Origin-Opener-Policy ` ](/en-US/docs/Web/HTTP/Headers/Cross-Origin-Opener-Policy) _
    41. [ ` Cross-Origin-Resource-Policy ` ](/en-US/docs/Web/HTTP/Headers/Cross-Origin-Resource-Policy)
    42. [ ` Date ` ](/en-US/docs/Web/HTTP/Headers/Date)
    43. [ ` Device-Memory ` ](/en-US/docs/Web/HTTP/Headers/Device-Memory)
    44. [ ` Digest ` ](/en-US/docs/Web/HTTP/Headers/Digest) Non-standard  Deprecated 
    45. [ ` DNT ` ](/en-US/docs/Web/HTTP/Headers/DNT) Non-standard  Deprecated 
    46. [ ` Downlink ` ](/en-US/docs/Web/HTTP/Headers/Downlink) Experimental 
    47. [ ` DPR ` ](/en-US/docs/Web/HTTP/Headers/DPR) Non-standard  Deprecated 
    48. [ ` Early-Data ` ](/en-US/docs/Web/HTTP/Headers/Early-Data) Experimental 
    49. [ ` ECT ` ](/en-US/docs/Web/HTTP/Headers/ECT) Experimental 
    50. [ ` ETag ` ](/en-US/docs/Web/HTTP/Headers/ETag)
    51. [ ` Expect ` ](/en-US/docs/Web/HTTP/Headers/Expect)
    52. [ ` Expect-CT ` ](/en-US/docs/Web/HTTP/Headers/Expect-CT)
    53. [ ` Expires ` ](/en-US/docs/Web/HTTP/Headers/Expires)
    54. [ ` Forwarded ` ](/en-US/docs/Web/HTTP/Headers/Forwarded)
    55. [ ` From ` ](/en-US/docs/Web/HTTP/Headers/From)
    56. [ ` Host ` ](/en-US/docs/Web/HTTP/Headers/Host)
    57. [ ` If-Match ` ](/en-US/docs/Web/HTTP/Headers/If-Match)
    58. [ ` If-Modified-Since ` ](/en-US/docs/Web/HTTP/Headers/If-Modified-Since)
    59. [ ` If-None-Match ` ](/en-US/docs/Web/HTTP/Headers/If-None-Match)
    60. [ ` If-Range ` ](/en-US/docs/Web/HTTP/Headers/If-Range)
    61. [ ` If-Unmodified-Since ` ](/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since)
    62. [ ` Keep-Alive ` ](/en-US/docs/Web/HTTP/Headers/Keep-Alive)
    63. [ ` Large-Allocation ` ](/en-US/docs/Web/HTTP/Headers/Large-Allocation) Non-standard  Deprecated 
    64. [ ` Last-Modified ` ](/en-US/docs/Web/HTTP/Headers/Last-Modified)
    65. [ ` Link ` ](/en-US/docs/Web/HTTP/Headers/Link)
    66. [ ` Location ` ](/en-US/docs/Web/HTTP/Headers/Location)
    67. [ ` Max-Forwards ` ](/en-US/docs/Web/HTTP/Headers/Max-Forwards)
    68. [ ` NEL ` ](/en-US/docs/Web/HTTP/Headers/NEL) Experimental 
    69. [ ` No-Vary-Search ` ](/en-US/docs/Web/HTTP/Headers/No-Vary-Search) Experimental 
    70. [ ` Observe-Browsing-Topics ` ](/en-US/docs/Web/HTTP/Headers/Observe-Browsing-Topics) Experimental  Non-standard 
    71. [ ` Origin ` ](/en-US/docs/Web/HTTP/Headers/Origin)
    72. [ ` Origin-Agent-Cluster ` ](/en-US/docs/Web/HTTP/Headers/Origin-Agent-Cluster) Experimental 
    73. [ ` Permissions-Policy ` ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy)
    74. [ ` Pragma ` ](/en-US/docs/Web/HTTP/Headers/Pragma) Deprecated 
    75. [ ` Proxy-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/Proxy-Authenticate)
    76. [ ` Proxy-Authorization ` ](/en-US/docs/Web/HTTP/Headers/Proxy-Authorization)
    77. [ ` Range ` ](/en-US/docs/Web/HTTP/Headers/Range)
    78. [ ` Referer ` ](/en-US/docs/Web/HTTP/Headers/Referer)
    79. [ ` Referrer-Policy ` ](/en-US/docs/Web/HTTP/Headers/Referrer-Policy)
    80. [ ` Reporting-Endpoints ` ](/en-US/docs/Web/HTTP/Headers/Reporting-Endpoints)
    81. [ ` Repr-Digest ` ](/en-US/docs/Web/HTTP/Headers/Repr-Digest) Experimental 
    82. [ ` Retry-After ` ](/en-US/docs/Web/HTTP/Headers/Retry-After)
    83. [ ` RTT ` ](/en-US/docs/Web/HTTP/Headers/RTT) Experimental 
    84. [ ` Save-Data ` ](/en-US/docs/Web/HTTP/Headers/Save-Data) Experimental 
    85. [ ` Sec-Browsing-Topics ` ](/en-US/docs/Web/HTTP/Headers/Sec-Browsing-Topics) Experimental  Non-standard 
    86. [ ` Sec-CH-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Hea