Threat Level: green Handler on Duty: Xavier Mertens

SANS ISC: HTTP Header Usage Statistics HTTP Header Usage Statistics


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This is a continuation of work started by Brough Davis as part of his software security project for his Masters in Information Security Engineering. The main goal of this project is to find how many sites use security relevant headers, like for example the X-XSS-Protection or X-Frame-Options headers.

Below you will find a table/histogram showing how many times we found each header (security relevant or not). We access the index page of each site using a "head" request. The list of sites is derived from Alexa's Top 1 Million sites. We try to poll as many sites as possible each day.

As we collect more data, we will plot changes over time.



All Headers Active In The Past Month
Header Popularity
Set-Cookie
Content-Type
Date
Connection
Server
Cache-Control
Vary
Expires
Content-Length
X-Frame-Options
Strict-Transport-Security
X-Content-Type-Options
Accept-Ranges
Last-Modified
CF-RAY
CF-Cache-Status
Pragma
Link
X-Powered-By
ETag
Expect-CT
Via
X-XSS-Protection
X-Cache
Age
Content-Security-Policy
Access-Control-Allow-Origin
Content-Language
P3P
X-UA-Compatible
X-Cache-Hits
X-Amz-Cf-Pop
X-Xss-Protection
X-Amz-Cf-Id
Referrer-Policy
X-Served-By
X-Varnish
X-Timer
Access-Control-Allow-Headers
Access-Control-Allow-Methods
X-Request-Id
Alt-Svc
X-Download-Options
X-AspNet-Version
Access-Control-Allow-Credentials
X-FRAME-OPTIONS
X-Runtime
X-Drupal-Cache
X-Adblock-Key
X-Check
X-Request-ID
X-Generator
Content-Security-Policy-Report-Only
X-Cache-Status
X-Cacheable
X-Permitted-Cross-Domain-Policies
X-DNS-Prefetch-Control
Timing-Allow-Origin
X-Iinfo
X-Template
X-Language
X-AspNetMvc-Version
Status
X-Content-Security-Policy
X-Buckets
Content-Encoding
Access-Control-Expose-Headers
Upgrade
X-CDN
Xkey
Access-Control-Max-Age
Keep-Alive
X-Kinja-Server-Push
X-Drupal-Dynamic-Cache
X-Turbo-Charged-By
X-Via
X-AH-Environment
X-Ua-Compatible
X-Cache-Group
X-Age
X-Pass-Why
X-Backend
X-Envoy-Upstream-Service-Time
EagleId
X-Server
X-Amz-Id-2
X-Amz-Request-Id
X-Robots-Tag
X-Page-Speed
X-Server-Powered-By
X-Pingback
X-UA-Device
X-Proxy-Cache
X-Swift-CacheTime
X-Swift-SaveTime
X-Hacker
X-Nginx-Cache-Status
Ali-Swift-Global-Savetime
Request-Context
Grace
X-Varnish-Cache
Server-Timing
Feature-Policy
Cf-Railgun
X-Amz-Version-Id
X-LiteSpeed-Cache
X-Device
X-Pantheon-Styx-Hostname
X-Styx-Req-Id
X-Rq
X-WebKit-CSP
Report-To
X-Server-Id
EagleEye-TraceId
X-Ac
X-Response-Time
X-Host
X-OneAgent-JS-Injection
Request-Id
X-Cnection
X-Backend-Server
X-DataDome
X-Node
Content-Location
X-Origin-Cache
X-Cloud-Trace-Context
X-Readtime
X-Cache-Lookup
X-Cdn
X-Ws-Request-Id
NEL
X-Vhost
X-Application-Context
X-Dispatcher
X-ORACLE-DMS-ECID
X-HW
X-ORACLE-DMS-RID
Allow
X-Dns-Prefetch-Control
X-Clacks-Overhead
X-Rack-Cache
X-EdgeConnect-Origin-MEX-Latency
X-EdgeConnect-MidMile-RTT
X-Origin-Upstream-Status
X-DynaTrace
Surrogate-Control
Rating
X-Country
X-FTR-Request-ID
Fusion-Component-Id
Fusion-Content-Source
Fusion-Template-Id
Fusion-Source
Fusion-Content-Id
X-Country-Code
X-Akam-SW-Version
X-Goog-Hash
X-Varnish-TTL
Pinterest-Generated-By
X-Instart-Request-ID
X-TtlSet
X-PC
X-Vname
X-Ruxit-JS-Agent
Edge-Control
X-MS-InvokeApp
X-B3-TraceId
X-Url
X-Mod-Pagespeed
SPRequestGuid
Verso
X-Powered-By-Plesk
X-D2id
X-Trace
X-Sol
Pagespeed
Response
X-Middleton-Response
X-SharePointHealthScore
Display
X-Middleton-Display
X-VARITI-CCR
Service-Worker-Allowed
X-Server-Name
X-Kinja-Revision
X-Exp-Variant
X-Cdn-Fetch
X-Kinja-Server
X-Exp-Id
RTSS
X-GoogleNews-Bot
X-Kinja-Build
X-Kinja
X-Use-Magma
X-GitHub-Request-Id
X-TTL
X-ESI
Content-MD5
Accept-Ch
SPRequestDuration
SPIisLatency
X-Navigation-Version
X-Vcache
X-Powered-CMS
X-Debug
X-Abt-Application-Version
X-Vcap-Request-Id
X-Amz-Server-Side-Encryption
Charset
X-CST
X-Server-ID
X-Forwarded-Proto
Public-Key-Pins
MS-Author-Via
X-Upstream
X-Cached
DynaTrace
X-NF-Request-ID
X-Amz-Rid
X-Version
Realpath
Edge-Cache-Tag
X-Px
Accept-Ch-Lifetime
MicrosoftSharePointTeamServices
X-Shard
Arr-Disable-Session-Affinity
TCN
X-Ezoic-Cdn
X-Pinterest-Rid
X-Shield-Request-Id
Pinterest-Version
X-MSEdge-Ref
X-TEC-API-VERSION
X-TEC-API-ORIGIN
X-TEC-API-ROOT
X-DynaTrace-JS-Agent
Access-Control-Request-Method
X-Ser
Fastly-Restarts
X-SRCache-Store-Status
X-SRCache-Fetch-Status
X-Trafficlayer-App-Scope
X-Trafficlayer-App-Name
X-Fastly-Request-ID
S
X-Accel-Expires
X-XRDS-Location
X-DIS-Request-ID
X-Recruiting
X-Goog-Stored-Content-Length
X-Goog-Stored-Content-Encoding
Front-End-Https
X-Goog-Metageneration
X-Goog-Generation
X-Client-IP
X-Amz-Meta-S3cmd-Attrs
Nginx-Cache
X-T
X-Goog-Storage-Class
X-Id
X-Varnish-Age
X-Element-Page-Cache
X-Mrf-Section-Lastmod
Mrf-Cache-Status
MRF-Tech
X-B3-TraceId-Primal
X-Mrf-Item-Lastmod
X-Country-Code-Real
X-FTR-Backend-Server
X-FTR-Backend
X-FTR-Realm
X-FTR-DC
X-FTR-Balancer
X-FTR-Cache-Status
X-FTR-Expires
X-Amzn-Trace-Id
X-Webkit-Csp
X-Dw-Request-Base-Id
Cache-Tag
X-Webapp-Samesite-None-Activated-N
Fastcgi-Cache
X-Fastcgi-Cache
X-HS-Content-Id
X-HS-Cache-Config
X-Frontend
X-HS-Hub-Id
X-Content-Digest
NR-ENABLED
Powered
X-Hits
X-Ttl
X-Correlation-Id
X-Kinsta-Cache
Accept-CH
X-FTR-Cache-Host
Alternate-Protocol
Accept-CH-Lifetime
X-Hp-Webp
X-RateLimit-Remaining
X-Aspnetmvc-Version
X-N
ServerID
X-Grace
X-Request-Processing-Time
X-Request-Received
X-Cache-Hit
TP-L2-Cache
TP-Cache
X-Node-Name
X-Request-Handler-Origin-Region
X-Microsite
Server-Name
PB-RID
X-HS-Combine-CSS
PB-PID
X-Mobile-Rewrite
Arc-Version
AMP-Access-Control-Allow-Source-Origin
X-Zen-Fury
X-Content-Type
X-Rid
X-User-Agent
Healthy
Backend-Timing
X-Akamai-Edgescape
X-Analytics
X-Revision
X-Content-Security-Policy-Report-Only
Server-Node
X-Logged-In
X-LB-Cache
X-Forwarded-For
X-Amz-Apigw-Id
X-Amzn-RequestId
X-AppVersion
Cache-Status
X-Az
X-Activity-Id
X-Pad
X-Oneagent-Js-Injection
X-Cached-By
X-Mobile-URL
AR-PoweredBy
AR-ATIME
AR-CACHE
X-IPLB-Instance
X-Varnish-Grace
X-NWS-LOG-UUID
Retry-After
X-B3-Sampled
X-Type
X-Litespeed-Cache
X-Ruxit-Js-Agent
X-Content-Options
Refresh
X-F-Cache
Ar-Sid
X-FastCGI-Cache
X-GUploader-UploadID
X-Geo-Country
Paypal-Debug-Id
Upgrade-Insecure-Requests
FilterID
X-App-Environment
X-Srv
X-FB-Debug
X-Jobs
X-Varnish-Backend
X-Debug-Info
X-Tumblr-User
X-Tumblr-Pixel-0
X-Tumblr-Pixel
X-Request-Guid
X-B
X-AOL-HN
DC
Host
Accept-Charset
Source
X-PHP-Backend
X-Instance
X-Cluster
Actual-Object-TTL
Access-Control-Allow-Method
X-Framework
X-Page-Id
X-Via-JSL
X-Cache-Age
X-ATG-Version
X-WebKit-CSP-Report-Only
X-Seen-By
X-Cache-Key
X-Erf-Bev-Bev
X-Erf-Bev-Bev-Is-Generated
Fastcgi-Useragent
X-TT
X-Cache-2
X-Git-Hash
MS-CV
X-PressLabs-Stats
X-Content-Powered-By
Cache
X-Cache-TTL
X-Whom
VIX-Pulpo-Upstream-Status
VIX-Pulpo-Node
AR-Request-ID
X-Amz-Replication-Status
X-UA
X-Esi
X-Cache-Control
X-Signature
X-B-Cache
X-Wix-Request-Id
X-Host-Name
Host-Header
X-TA-CDN-Provider
Surrogate-Key
NGB
X-Response-Served-From
X-Daa-Tunnel
Frame-Options
X-RequestSource
X-Cache-Enabled
X-Origin-Server
X-FW-Static
X-FW-Type
Cache-Tv-Group
X-GeoIP
X-FW-Server
X-Mobile
X-FW-Serve
X-FW-Hash
X-Tumblr-Pixel-1
X-Cache-Rule
X-Cache-Action
X-Tumblr-Pixel-2
Filters
X-Drupal-Cache-Tags
X-Cache-Operation
X-Hyper-Cache
X-Region
WPE-Backend
X-Handled-By
X-Cache-NE
X-Cacheable-TTL
X-TX-ID
Eomportal-Instance
X-Adobe-Loc
Xserver
X-Adobe-Content
X-Kong-Proxy-Latency
Cleartype
X-Kong-Upstream-Latency
Payment
X-EdgeConnect-Cache-Status
X-SERVER
Webserver
From-Origin
X-RemovedCookies
X-UA-Device-Type
X-ProcessESI
Datacenter
X-Akamai-Transformed
X-Forwarded-Host
X-Load-Cache
X-RTag
X-NewRelic-App-Data
X-Cache-TTL-Remaining
Ms-Operation-Id
X-App-Server
X-Hostname
X-Cache-Server
X-Time
X-Edge-Location
X-ATS-Timestamp
Liferay-Portal
X-Status
X-XRDS-LOCATION
X-Contextid
X-Yottaa-Optimizations
X-Yottaa-Metrics
X-Varnish-Hostname
X-Varnish-Server
Tracecode
X-Rule
Odigeo-Trace-Id
X-BCube-Filmed-By
X-TT-TIMESTAMP
Country
X-RN-RSRV
X-Upgrade-Enabled
X-ES-SERVER
X-Cache-Var-Map
Load-Balancing
Meta-Geo
X-Path-Route
X-Cache-Var
X-Oss-Hash-Crc64ecma
X-Debug-Cache
X-Xfnlog-Site
X-Viewer-Country
DSUID
X-Oss-Object-Type
X-Oss-Request-Id
X-Oss-Server-Time
X-Oss-Storage-Class
X-ORACLE-APMCS-REQUEST-ID
Property-Id
Mn-Server-Ip
Version
Cache-Tags
X-CCM
X-Pubstack
Server-Info
X-UUID
TWC-GeoIP-Country
DB-Nickname
X-Origin-Hint
X-ORACLE-APMCS-TAG
X-FW-Dynamic
TWC-Connection-Speed
Webcakes-App-Name
TWC-Locale-Group
TWC-Privacy
X-Cache-Host
X-Via-Fastly
X-EIG-Tracking-Id
X-R9-Blue-Green-Version
Release
Webcakes-Region
Webcakes-App-Version
TWC-GeoIP-LatLong
TWC-Device-Class
Fastly-SSL
X-Labrador-Cache-Channel
X-Human
X-From
Azure-RegionName
Azure-InstanceId
X-OCL
Azure-SiteName
Azure-Version
Azure-SlotName
X-IP
Cache-Name
Origin-Edge-Control
X-Cache-Time
X-Web-Node
X-Soup
X-Varnish-Cache-Hits
X-Akamai-Request-ID2
X-VCT
X-Akamai-Request-ID
X-Cache-Config
X-Hosted-By
X-Origin-Response-Time
Origin-Cache-Control
X-PCL
X-TNCMS
X-Loop
X-Rocket-Nginx-Bypass
NGX
S-Rt
X-Redis-Cache
X-Origin
X-PERF
X-Locale
X-Drupal-Cache-Contexts
S-Cnection
X-NWS-UUID-VERIFY
X-ApacheServer
X-Rendered-As
X-Www-Served-By
X-Proxy
X-Real-IP
X-ServerID
X-Generated
X-FireWall-Port
X-Content-Age
X-FC-Vary-Parameters
X-Site-Version
X-Proto
Decoy-Debug-TTL
Decoy-Debug-Key
Ec-Rule-Version
Decoy-Debug-Status
Viewport
X-Goog-Meta-Goog-Reserved-File-Mtime
L5d-Success-Class
X-Is-Bot
X-VCache
X-Format
X-Time-Microsecs
X-JoinUs
X-Varnish-Hits
X-Section
X-Access
X-Vgn-Hpd-Reason
Selected-Fe
X-Proxy-Build
X-Timing-Wait
X-Info
X-Backend-Name
X-Storage
X-Cluster-Name
Uber-Trace-Id
X-ProxyCache-Status
X-Guploader-Uploadid
X-ProxyCache-Key
X-BYPASS-REASON
X-Generated-By
X-Origin-TTL
X-Cache-Backend
X-Origin-CC
Rt-Fastcgi-Cache
X-PHP-Host
X-URL
X-App-Version
X-RateLimit-Limit
X-Accel-Buffering
X-Amzn-Remapped-Content-Length
Cteonnt-Length
Cache-Key
Akamai-GRN
Time
X-WA-Info
X-Nginx-Cache-Key
X-SaId
Origin
GEO-INFO
Cache-Hits
X-GoCache-CacheStatus
X-CF-Powered-By
X-Cache-Remote
Vix-Hermes-Req-Id
X-SS-Set-Cookie
X-No-Session
X-NCache
X-Backend-TTL
X-FB-TRIP-ID
Accept-Language
X-Trace-Id
X-L-Path
X-Environment-Context
X-Geo
X-Hit
X-MServer
X-Presslabs-Stats
X-B3-SpanId
X-CS
X-B3-Traceid
Srv
X-Unique-Id
X-Tb
Access-Control-Request-Headers
X-Say-Cacheable
X-Say-TTL
X-SayCDN-TTL
X-Tumblr-Pixel-3
X-Device-Type
X-Cache-Grace
X-APP-VERSION
X-OVcl-Cache
X-OVcl
X-S
X-CDN-Forward
X-Tec-Api-Version
X-CACHE-KEY
User-Cache-Control
X-Tec-Api-Origin
X-Tec-Api-Root
X-Cluster-Node
X-Alternate-Cache-Key
ServedBy
X-Uri
X-ShardId
X-ShopId
X-Shopify-Generated-Cart-Token
OT-Force-Account-Verify
X-Sorting-Hat-ShopId
X-Shopify-Stage
X-Sorting-Hat-PodId
X-Date
X-D
X-Destination
X-S-Cookie
X-Region-Sid
Meta-Geo-Continent
IsBot
X-Connection-Hash
X-Request-UUID
X-Rewrite-Enabled
X-Detected-As
Server-Host
X-Rojux
MD5-Digest
X-A-Dgt
Machine
Rt-Proxy-Cache
Arc-Country
Request-EU
Content-Style-Type
Cross-Origin-Window-Policy
AsisCache
BehaviorPad-Version
X-Hl-Ver
Rendered-Blocks
Request-Country
Fastcgi-X-Cache-Version
X-CF-Lambda-Fn
Node
X-DPWN-IS-SECURE
Mobile-Detection-Method
X-PAYTM-SRV-ID
X-External-Request-Id
X-G
X-CF-Lambda-Version
Content-Script-Type
X-Processor
X-A-Dcw
X-EC-Lua
X-AIR-PT
X-ARC
Xc-Version
X-CSRF-TOKEN
X-SRCache-Key
X-A
X-Dc
T-Server
X-Application
X-Aed
X-Transaction
X-VG-WebCache
X-VG-WebServer
X-Vtex-Processado-Em
X-Vtex-Remote-Cache
X-Accel-Expires-Debug
VivaBuild
X-Trv-Group
X-Twitter-Response-Tags
X-B-Cookie
Viewtype
X-Ah-Environment
X-Svr
X-A-Ccd
X-Service
X-A-Dam
X-ScT
X-Server-Time
X-A-Wwc
X-SIPLIST1
X-Session-Fingerprint
Mime-Version
ServerName
X-Via-CDN
Mail-Subject
X-Hnp-Log
Wxu-Next-Hostname
Wxu-Next-Commit
Web-Mar-Node
X-Instart-Isnd
We-Hiring
X-Level-Front-Cache
X-WADP-Cache
Cache-Host
X-Thinkindot-L3
CDCHOST
X-Hash
X-Webstats-RespID
X-Dispatcher-Server
X-Clara-WADP
X-Dispatch
Proxy-Connection
X-CUA
X-Endurance-Cache-Level
Wxu-Next-Region
X-Core-Value
X-Generated-On
X-Gen-Mode
X-Block-Status
X-S-Maxage
Thinkindot-Control
Thinkindot-CacheControl
Apple-News-Services-Request-Url
X-Varnish-Beresp-Status
X-Varnish-Beresp-Ttl
X-Varnish-Beresp-Grace
X-Vdms-Version
RNT-Time
Server-Int
X-Cms-Context
X-Request-URI
X-Ms-Version
X-Ms-Request-Id
X-Cache-Bucket
X-Cache-Debug
Thinkindot-CacheControl-Type
X-Cache-Info
Apple-News-Services-Parsed-Url
Apple-News-Services-Handled
Apple-News-Services-Host
X-Reboot
X-RateLimit-Remaining-Second
X-Matched-Rule
Served-By
X-Location
X-RateLimit-Limit-Second
RNT-Machine
X-Parent-Response-Time
X-SRV
NtCoent-Length
X-B3-Parentspanid
X-FW-Version
X-Azure-Ref
X-Amz-Meta-Cache-Control
X-Cache-Id
X-BBXSRF
X-Cache-URL
X-C
X-Azure-Ref-OriginShield
X-Cdn-Srv
X-Cache-FS-Status
X-SD-PageType
X-We-Are-Hiring
X-VServer
X-Wikidot-Backend
X-Wikidot-Static-Cache
Now
X-VC-Cache
X-Variation
X-SVT-ORM-VERSION
X-Swa-Ws
X-Up
X-User
PFcat
X-Core-Mission
X-Origin-Date
X-Origin-Expires
X-Proxy-Cache-Status
X-Proxy-Upstream
X-NX-Host
X-IN-APIGATEWAYSSL
X-Debug-Cookies
X-Debug-Log
X-GeoIP-City
X-IN-APIGATEWAY
X-SVT-ORM-RULES
X-Sucuri-Cache
X-Is-Gdpr
X-Has-Esi
X-JWT-State
X-Li-Fabric
X-Li-Pop
X-Geo-Header
X-Generation-Time
X-Developers
X-Distributor
X-Epic-Correlation-Id
X-Fastly-Cache
X-LI-UUID
X-Logging-Id
X-Reqid
X-Scheme
X-Server-IP
X-Skip-Cache
X-Release
X-Qloud-Router
X-Method
X-Old-Content-Length
X-Owner
X-Platform-Server
X-Compress-Hint
X-Agile-Id
True-Client-Country-4JS
Platform
Is-Eu
Fastly-Soc-X-Request-Id
IBM-Web2-Location
L
Pramga
SD-X-WS
Section-Io-Cache
X-RCS-CacheZone
Heartbleed
Memcached
Content-Disposition
X-Agile
Esi-Enabled
Kp-EeAlive
X-Agile-Age
Adler-Geo
W
AKAMAI
Magicmarker
X-UnsetCookies
Hostname
Cache-Provider
X-Source
X-Magnolia-Registration
X-Nc
X-LI-Proto
Cdnsip
X-Internal-Host
Cdncip
X-MSEdge-Features
X-Upstream-Ht
X-NodeID
X-ServiceProvider
X-MSEdge-Flight
X-Upstream-Ct
Gh-Request-Id
X-Planisys-CDN-TTL
X-Planisys-CDN-Rules
X-Planisys-CDN-Cache
X-Key
X-Policy
X-Request-Start
X-Via-NSCOPI
X-WebServer
X-TrackingId
X-Thanos
X-Irp-Debug
X-NC
X-Bip
X-Auto-Login
Countrycode
X-Urbn-Site-Id
X-Clientip
X-Debug-Cache-Expiry
X-Generated-In
X-Distil-CS
X-Debug-Cache-Store
X-Debug-Cache-Fetch
X-Urbn-Context-Path
X-VG-TLSProxy
V-Age
Locale
X-App-Name
X-AK-Request-ID
X-Backend-State
X-Cdn-Forward
X-Rocket-Build-Number
X-Sigma
Powered-By-ChinaCache
X-7Graus-Varnish-Cache-Control
X-Eu-Site
X-Sigma-Backend
X-CGP
X-7Graus-Varnish-XKeys
HA-Ipaddr
X-ND-Cache
Ha-Gx-Prefs
Server-ID
X-TIME
X-Servername
X-COUNTRY
X-Sucuri-Id
Environment
X-GRACE
X-B3-Spanid
X-Developer
X-Be
A
GEO-REGION-INFO
X-Trafficlayer-App-Version
CF-IPCountry
X-Nginx-Cache
Locid
X-Req
X-Lb-Id
X-Cdn-Origin
X-Device-Os
X-Sn-Servicetimems
X-FPC
X-Newrelic-Synthetics
X-Served-From
X-VHOST
FNAC-ModuleRouting
X-Gamma-Serve
X-Node-Id
X-FORWARDED-FOR
Tcn
X-Zone
ProcessTime
Geo-Info
X-Microcachable
X-Refresh
X-Servedbyhost
X-HTML-Minification-Powered-By
X-Webkit-CSP
X-Edge-O15-RID
X-Sucuri-ID
X-Render-Time
Request-Time
Memory
X-Pjax-Url
X-Ratelimit-Remaining
X-IPS-LoggedIn
X-AWS-Id
Resin-Trace
X-NU-AKA-ACS-Version
X-Tb-Optimization-Total-Bytes-Saved
X-VWS-Id
X-LJ-Flow-ID
X-Pf-Uncompressing
X-VCL-Version
Gannett-Cam-Experience-Id
Cf-Ipcountry
X-Correlation-ID
CF-Cached-On
Group
X-Instart-Info
TTL
X-ECACHE
Amp-Access-Control-Allow-Source-Origin
X-DC
XServer
X-MP-GENERATED-AT
Geoip-City
X-GeoIP-Country-Code
X-ElasticPress-Search
X-Mode
Geoip-Latitude
GeoIp-Country-Code
X-CSRF-Token
X-Backend-Url
X-Pod
X-Var-Ttl
Pics-Label
X-Backend-Host
MIME-Version
X-NGENIX-Cache
Backend-Name
GeoIP-Latitude
M-TraceId
Cdn
GeoIP-Country-Code
X-Via-SSL
X-Via-Edge
GeoIP-City
PICS-Label
X-Unique-ID
X-ZONE
X-Proxied
X-Check-Cacheable
X-Zipkin-Id
Host-ID
Pagetype
X-APP
REQUESTUUID
X-Vcl-Version
N-Cache
HostName
X-Bc
Lfy
X-Routing-Service
Ttl
X-CLOUD-TRACE-CONTEXT
Cache-Cookie-Set-Lfrom
Fly-Request-Id
Cache-Prefix
Cache-Cookie-Set-From
X-Ratelimit-Limit
Cache-Cookie-Set-Idcheck
Fly-Cache
X-Fstrz
Ohc-Cache-HIT
Ohc-File-Size
X-PF-Uncompressing
X-BC
X-GEO
X-HostName
X-Worker
X-Via-Ucdn
HitType
X-Cdn-Request-ID
X-Fastly-Country-Code
X-Cache-Miss-From
X-PJAX-URL
X-Sedo-Request-Id
X-TH-Server
X-LiteSpeed-Cache-Control
X-Dynatrace-Js-Agent
X-Swift-Error
X-HS-Status
X-ServedByHost
X-Request-Time
Pragrma
X-Server-W
On-Server
URI
User-Agent
X-Fetched-On
X-Upstream-HT
X-Upstream-CT
X-Tt-Trace-Tag
Fastly-SWR
Fastly-SIE
Powered-By
X-UPSTREAM-Address
X-WR-MODIFICATION
X-Rebelmouse-Cache-Control
X-Rebelmouse-Surrogate-Control
X-Cache-Tag
X-NGINX-Cache
X-Wa
SRV
X-WA
Media-Length
X-Aicache-OS
Who
CDN
X-TT-LOGID
X-BE
AR-SID
X-Varnish-Cacheable
X-Fastly-Backend-Reqs
X-LAGOON
X-LB-ID
X-GDPR
X-Varnish-URL
X-Fpc
DataCenter
X-Cf-Powered-By
X-ServerName
Debug
Cdn-Host
X-Akamai-ERPolicy
Cdn-Request-Time
FSS-Cache
X-Akamai-ERRuleID
FSS-Proxy
X-Edge-Server
X-Tt-Trace-Host
CACHE
Server-Id
X-Ua
X-Ftr-Cache-Host
X-RateLimit-Reset
LB
X-Protected-By
Is-Session-Tracking
Get-Access-Time
UCS
X-Hello
X-Flog
SS
X-Gen-Id
X-Varnish-Beresp-TTL
X-SN
X-ABtesting
X-Hp-Ccpa-Warning
X-Org
Cneonction
XxX-Cache-Status
X-Amzn-Remapped-Date
X-RPS
X-Amzn-Remapped-Connection
X-Response-By
SID
Xet-Cookie
WP-Super-Cache
X-Cache-Tags
X-VC
X-SB
X-Dw-Trace-Id
Thinkindot-Cache-Type
X-Nananana
X-Fastly-Cache-Hits
X-DSS
SN
X-DI
X-DW
X-Request-Url
X-LiteSpeed-Tag
Application
X-DB
X-Li-Proto
NnCoection
X-RSL
X-RPM
Requestid
X-Action
Warning
Product