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Prevalence of interesting HTTP headers
HTTP header Count
Access-Control-Allow-Origin 48526
Public-Key-Pins 344
Public-Key-Pins-Report-Only 1026
Frame-Options 82
X-Frame-Options 71635
Content-Security-Policy 3024
Content-Security-Policy-Report-Only 1292
X-Content-Security-Policy 546
X-Content-Security-Policy-Report-Only 25
X-WebKit-CSP 318
X-WebKit-CSP-Report-Only 38
X-XSS-Protection 82837
X-Content-Type-Options 85613
Strict-Transport-Security 23342
X-AspNet-Version 91032
MicrosoftSharePointTeamServices 2988
MicrosoftOfficeWebServer 3572
PICS-Label 380
X-Permitted-Cross-Domain-Policies 1062
X-Clacks-Overhead 693
X-Powered-By 681123
P3P 134191
Link 150109
Server 1421188
Location 11