Threat Level: green Handler on Duty: Didier Stevens

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
X-Frame-Options
Expires
Strict-Transport-Security
Content-Length
X-Content-Type-Options
Link
Last-Modified
Accept-CH
CF-Cache-Status
ETag
Expect-CT
Accept-Ranges
X-XSS-Protection
X-Powered-By
Pragma
X-Cache
CF-RAY
Via
Age
Content-Security-Policy
Alt-Svc
Report-To
NEL
Referrer-Policy
Access-Control-Allow-Origin
X-Amz-Cf-Pop
X-Amz-Cf-Id
Content-Language
X-Cache-Hits
P3P
X-UA-Compatible
X-Served-By
X-Download-Options
X-Request-Id
X-Xss-Protection
X-Timer
Access-Control-Allow-Headers
Access-Control-Allow-Methods
CF-Ray
X-Varnish
X-Adblock-Key
X-Permitted-Cross-Domain-Policies
Access-Control-Allow-Credentials
X-DNS-Prefetch-Control
Content-Security-Policy-Report-Only
Accept-CH-Lifetime
X-AspNet-Version
Accept-Ch
X-Runtime
Permissions-Policy
X-Drupal-Cache
Server-Timing
X-Generator
X-Envoy-Upstream-Service-Time
X-Cache-Status
X-FRAME-OPTIONS
X-Cacheable
X-Iinfo
X-Ua-Compatible
X-Drupal-Dynamic-Cache
Timing-Allow-Origin
X-CONTENT-TYPE-OPTIONS
Feature-Policy
X-Content-Security-Policy
Xkey
Upgrade
Access-Control-Expose-Headers
X-XSS-PROTECTION
X-CDN
Content-Encoding
Status
X-AspNetMvc-Version
Access-Control-Max-Age
X-Amz-Request-Id
X-Amz-Id-2
Host-Header
X-Age
Request-Context
Cf-Edge-Cache
X-Backend
X-Robots-Tag
X-Hacker
X-Amz-Version-Id
Keep-Alive
X-Via
Cf-Apo-Via
X-Turbo-Charged-By
X-AH-Environment
X-Rq
X-Vhost
X-Cache-Group
X-Server
X-Dispatcher
X-Proxy-Cache
CONTENT-SECURITY-POLICY
X-Ws-Request-Id
EagleId
X-Request-ID
X-UA-Device
X-Varnish-Cache
X-Litespeed-Cache
Pantheon-Trace-Id
Grace
X-Pantheon-Styx-Hostname
X-Styx-Req-Id
X-Server-Powered-By
X-OneAgent-JS-Injection
X-Pingback
X-Dns-Prefetch-Control
Allow
X-Page-Speed
X-WebKit-CSP
X-EdgeConnect-MidMile-RTT
X-EdgeConnect-Origin-MEX-Latency
X-Swift-CacheTime
X-Swift-SaveTime
Ali-Swift-Global-Savetime
X-FTR-Request-ID
X-Device
X-Node
X-Cache-Lookup
X-Host
X-Server-Id
EagleEye-TraceId
X-Backend-Server
X-Country-Code
Surrogate-Control
Accept-Ch-Lifetime
X-Cloud-Trace-Context
X-Ruxit-JS-Agent
X-Readtime
Cf-Railgun
X-Akam-SW-Version
X-HW
X-Response-Time
P3p
Cache-Tag
X-Amz-Server-Side-Encryption
Content-Location
X-LiteSpeed-Cache
Cross-Origin-Opener-Policy
X-Ua-Device
X-Content-Type
X-Nginx-Upstream-Cache-Status
X-Nginx-Cache-Status
X-Rack-Cache
Request-Id
Service-Worker-Allowed
X-Trace
X-TraceId
X-Application-Context
Fastly-Restarts
X-Nf-Request-Id
X-Times
X-TtlSet
X-PC
X-Vname
Rating
X-Clacks-Overhead
X-Element-Page-Cache
X-D2id
X-Cnection
X-Midtier
X-Mcache
X-Edge
X-Vcap-Request-Id
X-FTR-Balancer
X-FTR-Backend-Server
X-Country-Code-Real
X-FTR-Cache-Status
X-FTR-Backend
X-FTR-Expires
X-Browser-Type
X-ESI
Origin-Trial
Edge-Control
X-Cache-TTL
X-Oneagent-Js-Injection
X-Navigation-Version
X-Country
X-FastCGI-Cache
Surrogate-Key
X-NWS-LOG-UUID
X-Kinja-Revision
X-Exp-Variant
X-GoogleNews-Bot
X-Kinja-Build
X-Kinja
X-Exp-Id
X-Kinja-Server
X-Cdn-Fetch
X-Powered-By-Plesk
X-Ac
X-Abt-Application-Version
X-Upstream
X-Url
Verso
X-Mod-Pagespeed
X-Amz-Rid
X-ORACLE-DMS-RID
X-B3-TraceId
X-Language
Akamai-GRN
Nginx-Cache
Pinterest-Generated-By
X-Pinterest-Rid
Pinterest-Version
X-GitHub-Request-Id
Pagespeed
X-Sol
Display
X-Middleton-Display
X-ECACHE
X-Erf-Bev-Bev
S
X-PDP-UNCACHING-HASH
X-Server-Lifecycle-Phase
X-MS-InvokeApp
X-Kraken-Loop-Name
X-Instrumentation
X-Erf-Bev-Bev-Is-Generated
X-Envoy-Decorator-Operation
Response
X-Middleton-Response
AR-Request-ID
AR-PoweredBy
AR-ATIME
Edge-Cache-Tag
X-Goog-Hash
X-Ratelimit-Limit
X-Distributor
SPRequestGuid
SPIisLatency
X-SharePointHealthScore
X-Amzn-Trace-Id
SPRequestDuration
X-Resp-Is-Stale
X-Ser
X-Kinsta-Cache
X-Edge-Location-Klb
X-ARC
X-T
Access-Control-Request-Method
X-NGENIX-Cache
X-Ttl
Front-End-Https
X-Client-IP
X-Request-Device-Id
X-Dw-Request-Base-Id
X-Shield-Request-Id
X-Content-Digest
X-Ezoic-Cdn
X-Recruiting
X-Cache-Key
RTSS
Cache-Status
X-Varnish-TTL
X-Ruxit-Js-Agent
X-Version
X-Mg-S
X-Meli-Trace-Site
X-Meli-Trace-Bu
X-Meli-Trace-Platform
X-Request-Received
X-Request-Processing-Time
X-Powered-CMS
Public-Key-Pins
X-HS-Cache-Config
X-HS-Content-Id
TP-Cache
X-HS-Hub-Id
X-Ismobilevalue
Fastcgi-Cache
X-MSEdge-Ref
X-Accel-Expires
Arr-Disable-Session-Affinity
AR-CACHE
Cache-Tags
X-Cached
X-Correlation-Id
X-Daa-Tunnel
X-Cluster-Name
Realpath
X-Id
Content-MD5
X-Content-Security-Policy-Report-Only
Ar-SID
YJS-ID
X-Amz-Replication-Status
X-HS-Combine-CSS
X-Newrelic-App-Data
X-Forwarded-For
X-Ua-Browser
X-Xrds-Location
Payment
X-Kong-Proxy-Latency
X-Kong-Upstream-Latency
X-Fastly-Request-ID
X-RateLimit-Remaining
X-DIS-Request-ID
X-Cambria-Cache-Control
X-HP-Trace-Id
X-HP-Webp
X-Jurisdiction
X-Azure-Ref
X-Webkit-Csp
X-HS-Prerendered
X-HS-CF-Cache-Status
X-GUploader-UploadID
X-Server-Name
Content-Disposition
X-COUNTRY
X-SRCache-Store-Status
X-SRCache-Fetch-Status
MicrosoftSharePointTeamServices
X-ORACLE-DMS-ECID
Count-Hit
X-Ratelimit-Remaining
X-Protected-By
X-Origin-Server
X-Ratelimit-Reset
X-Amz-Apigw-Id
X-Px
X-Amzn-RequestId
X-Az
X-Unique-Id
X-Activity-Id
X-AppVersion
X-TTL
X-Page-Id
X-Rid
X-Logged-In
X-Git-Hash
Cross-Origin-Resource-Policy
X-TEC-API-ORIGIN
X-TEC-API-ROOT
X-Amz-Meta-S3cmd-Attrs
Accept-Charset
Cleartype
X-TEC-API-VERSION
X-FB-Debug
X-Request-Handler-Origin-Region
Cross-Origin-Embedder-Policy
X-Proxy
X-Microsite
X-VARITI-CCR
X-Www-Served-By
Version
X-Load-Cache
X-LLID
X-Goog-Metageneration
X-SERVER-NAME
X-Forwarded-Proto
X-Geo-Country
X-Template
X-PressLabs-Stats
X-Hits
X-Varnish-Backend
X-Upgrade-Enabled
Server-Node
X-B3-Sampled
X-CST
Server-Name
X-WebKit-CSP-Report-Only
X-Hostname
X-App-Server
Healthy
Access-Control-Allow-Method
X-Content-Options
X-Frontend
Viewport
Section-Io-Cache
X-Varnish-Grace
X-TT
X-Fb-Rlafr
X-Device-Type
X-Grace
Fastly-SWR
Fastly-SIE
X-B
Alternate-Protocol
X-Varnish-Server
Mrf-Cache-Status
X-Request-Guid
MRF-Tech
X-B3-TraceId-Primal
X-Status
X-Contextid
X-Goog-Generation
X-Goog-Stored-Content-Encoding
X-Goog-Stored-Content-Length
X-Goog-Storage-Class
AKAMAI-GRN
TCN
DC
Upgrade-Insecure-Requests
X-Requestid
X-RemovedCookies
X-ProcessESI
Retry-After
X-Cache-Age
X-Magnolia-Registration
X-EdgeConnect-Cache-Status
X-Amzn-Remapped-Content-Length
Host
X-Hl-Ver
MS-Author-Via
X-App-Version
X-Cache-Control
X-Varnish-Ttl
Frame-Options
X-CSRF-Token
Amp-Access-Control-Allow-Source-Origin
X-Buckets
X-Tt-Trace-Tag
X-Response-Served-From
X-Revision
X-Type
X-Original-Request-Id
X-Tt-Trace-Host
X-Origin-CC
X-Origin-TTL
X-Debug
SD-X-WS
X-Mobile
X-Backend-Name
X-G
X-INCAP-ABP
X-Seen-By
X-Instance
X-UUID
X-ServerID
VIX-Pulpo-Node
VIX-Pulpo-Upstream-Status
X-Lambda-Id
X-ECache
X-NYM-Debug-Backend
X-Adobe-Loc
X-Is-Bot
X-N
X-Akamai-Edgescape
X-Adobe-Content
X-Cache-Status-Check
X-Yottaa-Optimizations
X-Rendered-As
Cross-Origin-Opener-Policy-Report-Only
X-Tumblr-Pixel
X-Tumblr-Pixel-0
X-Tumblr-Pixel-1
Cross-Origin-Embedder-Policy-Report-Only
X-Yottaa-Metrics
X-Tumblr-User
X-AB
X-WP-CF-Super-Cache
Section-Io-Id
Ms-Operation-Id
MS-CV
Access-Control-Request-Headers
X-WP-CF-Super-Cache-Cache-Control
NGB
X-Framework
X-RTag
X-Trace-Id
X-Akamai-Request-ID2
X-Mg-Request-UUID
X-Content-Powered-By
X-Debug-IsConnected
X-Debug-IsPreview
X-Yandex-Req-Id
X-Storage
X-Server-W
X-RM-Cache-TTL
Cache
Charset
X-Oracle-Dms-Ecid
X-Vcl-Version
X-Dc
Xet-Cookie
Webserver
Filterid
X-DataDome
Paypal-Debug-Id
X-B3-SpanId
Accept-Language
X-Cache-Time
Refresh
X-VC-Cache
X-Request-Platform
Onion-Location
X-Ms-Version
X-Request-Site
X-Ms-Request-Id
X-Cache-Hit
X-Request-Bu
YJS-CacheStatus
SRV
X-Time
X-User-Agent
X-Region
X-Node-Name
X-F-Cache
X-BYPASS-REASON
X-ProxyCache-Key
X-Real-IP
X-ProxyCache-Status
X-Tec-Api-Version
X-Fastcgi-Cache
X-Tec-Api-Origin
X-Tec-Api-Root
X-Hcs-Proxy-Type
X-Proxy-Build
X-CCDN-Origin-Time
X-CCDN-CacheTTL
X-HITS
Priority
Selected-Fe
X-Timing-Wait
X-Cacheable-TTL
X-VC
Liferay-Portal
X-HTML-Minification-Powered-By
GEO-INFO
CDN-RequestId
X-IPS-LoggedIn
X-L-Path
X-Environment-Context
X-Mode
X-Origin-Cache
X-URL
X-LB-Cache
Apigw-Requestid
X-Service
X-Pass-Why
Backend
X-Datadog-Trace-Id
X-Datadog-Sampled
X-Rule
Cross-Origin-Window-Policy
X-Datadog-Sampling-Priority
X-Datadog-Parent-Id
X-Rewrite-Enabled
X-VCT
X-UPSTREAM-Address
X-JoinUs
Meta-Geo
X-Rn-Rsrv
X-Drupal-Cache-Tags
X-Origin
Country
X-Tb
X-Rocket-Nginx-Serving-Static
X-SaId
X-Cache-Expired-At
X-Tcp-Rtt
X-Browser-Name
X-Wix-Request-Id
X-Whom
X-Adobe-Source
X-Handled-By
X-Is-Modern-Browser
X-Is-Supported-Browser
X-Is-Tablet
X-Geo-Region
X-Is-Mobile-Only
X-Is-Desktop
X-Is-Mobile
X-Generation-Time
X-Mly-Id
Mn-Server-Ip
X-Web-Node
X-Provided-By
X-Api-Version
Protected
X-Loop
X-Httpd
TWC-GeoIP-DMA
TWC-GeoIP-Country
X-Origin-Date
X-Origin-Hint
X-RateLimit-Limit-Second
X-Proxy-Cache-Info
X-Proxied
TWC-GeoIP-City
X-RateLimit-Remaining-Second
Webcakes-App-Version
Expiry
X-Connection-Hash
Fastcgi-Useragent
Property-Id
X-Cloudmap
X-Detected-As
X-Extlb
X-RCS-CacheZone
TWC-Connection-Speed
Webcakes-Region
X-FB-TRIP-ID
TWC-Device-Class
X-WP-CF-Super-Cache-Active
X-Vcache
X-Zipkin-Id
X-Servername
Uber-Trace-Id
X-Tncms
X-Varnish-Beresp-Grace
Url
Web-Mar-Node
ServerID
Front
Webcakes-App-Name
TWC-GeoIP-LatLong
X-Routing-Service
TWC-Locale-Group
TWC-GeoIP-Region
TWC-Privacy
X-Server-ID
Atl-Traceid
X-App-Environment
X-Director
DB-Nickname
ServedBy
X-Cluster
OT-Force-Account-Verify
X-Cache-Action
X-Cms-Context
X-Cdn-Origin
X-Forwarded-Host
X-Locale
X-Hosted-By
X-Hit
X-Logging-Id
X-Auth-Group-Type
X-Redis-Cache
X-MP-GENERATED-AT
X-Shopify-Stage
X-Skip-Cache
X-Fetched-On
X-Tumblr-Pixel-3
X-Format
X-Tumblr-Pixel-2
X-Soup
X-Storefront-Renderer-Rendered
X-Alternate-Cache-Key
X-FW-Serve
X-SayCDN-TTL
X-Say-Cacheable
X-Restarts
X-Scope-Id
X-Served-From
X-Cache-Debug
X-Urbn-Site-Id
X-Urbn-Context-Path
X-FW-Version
X-FW-Type
X-Edge-Location
X-Debug-Info
X-Cluster-Node
X-Endurance-Cache-Level
X-FW-Dynamic
X-FW-Static
X-FW-Server
X-FW-Hash
X-Cache-Host
X-Say-TTL
Cache-Hits
Environment
Locale
LB
X-IPLB-Request-ID
X-Drupal-Cache-Contexts
Filters
X-PHP-Host
X-Labrador-Cache-Channel
X-IPLB-Instance
X-S
Node
X-R9-Blue-Green-Version
X-Platform
X-CLOUD-TRACE-CONTEXT
X-Optimistic-Header
X-Tt-Logid
X-CDN-Cache-Status
X-GEO
Countrycode
X-No-Session
X-Fastly-Request-Id
Xserver
X-NewRelic-App-Data
X-CDN-Forward
WPO-Cache-Status
X-Varnish-Age
X-Sorting-Hat-ShopId
X-Sorting-Hat-PodId
X-ShopId
X-ShardId
X-WP-CF-Super-Cache-Cookies-Bypass
X-XRDS-Location
X-B3-Traceid
X-Varnish-Beresp-Ttl
X-UA
AMP-Access-Control-Allow-Source-Origin
X-Lagoon
X-Varnish-Cache-Hits
Cache-Tv-Group
X-Generated-By
AR-SID
X-NWS-UUID-VERIFY
X-Signature
X-B-Cache
X-Client-Ip
Referer-Policy
X-SRV
X-Presslabs-Stats
Request-ID
X-Ua
X-Webstats-RespID
X-Site-Version
X-SRCache-Key
X-Azure-Ref-OriginShield
Expect-Staple
X-PHP-Backend
X-Cache-Operation
X-Cache-Rule
X-CACHE-AGE
X-IsAdmin
From-Origin
Cache-Provider
Mail-Subject
We-Hiring
X-Clientip
Location
X-Upstream-Ht
X-Wormhole-Sdk
X-Auto-Login
CloudFront-Viewer-Country
X-Upstream-Ct
X-Worker
X-VWS-Id
X-Accel-Version
X-AWS-Id
X-LJ-Flow-ID
Sid
X-Bc-Bl
X-TA-CDN-Provider
Fl-Custom-Application
X-Server-IP
X-Cache-FS-Status
X-VC-TTL
Sslversion
X-B-Cookie
X-GeoCountry
X-Application
Source
X-ApacheServer
X-ND-Cache
N-Cache
X-Org
X-Loc
Pragrma
X-ScT
X-Bl-Debug
X-BCube-Filmed-By
WPO-Cache-Message
X-Tb-Optimization-Total-Bytes-Saved
X-S-Cookie
Origin-Agent-Cluster
X-Conf
DCR-Processing-Time-Ms
DCR-Decision-By
X-A
Ngx.Var.Host
Host-ID
Meta-Geo-Continent
MD5-Digest
X-D
Lang
X-A-Ccd
X-A-Dam
Origin
X-Aed
X-Ig-Push-State
Xc-Version
Candidate-Md5Url
X-A-Wwc
X-A-Dcw
X-A-Dgt
X-Ig-Origin-Region
S-Rt
X-Rojux
X-Tx-Id
X-PERF
X-Cache-NE
X-Vdms-Version
X-Ec-Fail
X-External-Request-Id
X-Content-Age
X-Ec-GeoHdr
X-GeoCode
Rendered-Blocks
X-Vtex-Remote-Cache
Redirect-Candidate
X-Destination
X-Developer
X-Xfnlog-Site
X-Litespeed-Cache-Control
Cdnsip
Cdncip
CDN-Uid
X-Access
Wxu-Next-Region
Cluster
RNT-Machine
CDN-RequestPullSuccess
Canary
CDN-Cache
CDN-PullZone
X-SIPLIST1
CDN-EdgeStorageId
Wxu-Next-Hostname
CDN-RequestCountryCode
CDN-CachedAt
X-Slack-Backend
X-Varnish-Beresp-Status
CDN-RequestPullCode
X-GeoIP-City
X-Sigma-Backend
X-Gamma-Serve
L5d-Success-Class
IsBot
X-GeoIP-Region-Code
X-Ee-Request-Id
X-Sigma
Log-Origin
X-Eu-Site
RNT-Time
X-Req
X-GeoIP-Country-Code
X-GoCache-CacheStatus
Ha-Gx-Prefs
X-HS-Content-Campaign-Id
X-From
X-Action
Odigeo-Trace-Id
Country-Code
Web-Mar-Region
Time-Cloud-Cache
Gh-Request-Id
X-Hash
Gannett-Cam-Experience-Id
Fastly-SSL
Wxu-Next-Commit
X-AK-Request-ID
X-Ee-Origin
X-Node-Id
X-Save-Cache
Powered-By
X-CGP
X-Varnish-Authentication
X-Ee-Generated-By
Store-Cloud-Cache
X-Slack-Shared-Secret-Outcome
X-Varnish-Director
X-Mvc-Supplant-Cachable
X-Fastly-Backend
X-FORWARDED-FOR
X-Old-Content-Length
X-Origin-Expires
ServerName
X-Section
X-Bug-Bounty
X-V-Cache
X-Csrf-Jwt
X-VG-TLSProxy
X-SD-PageType
X-Cs
X-Ee-Request-Date
X-Core-Value
X-Varnish-Hostname
X-Micro-Cache
X-Forwarded-Site
X-Internal-TTL
X-CacheTTL
X-Cms-Device
Origin-Site
X-Fmm-Version
X-Depends
Apple-News-Services-Handled
X-Cache-Aspx
X-Aicache-OS
Apple-News-Services-Request-Url
Apple-News-Services-Parsed-Url
Apple-News-Services-Host
X-CUA
X-Vary-Devices
X-PAYTM-SRV-ID
X-VG-WebCache
X-Policy
X-Rocket-Build-Number
X-FC-Vary-Parameters
X-Epic-Correlation-Id
X-Contensis-Viewer-Groups
X-Sucuri-Cache
X-Parent-Response-Time
CF-IPCountry
X-Gen-Mode
Thinkindot-CacheControl
Server-Host
Thinkindot-CacheControl-Type
TDXMobile
X-Generated-On
X-Amz-Storage-Class
X-Block-Status
X-Bip
X-Debug-Cache-Store
X-Debug-Cache-Fetch
X-DefElseHash
X-Cache-Date
X-Dispatcher-Server
X-Content-Length
X-Ec-Custom-Error
X-DefHash
X-BBC-Edge-Cache-Status
X-Backend-Instance
X-Frame-Option
Vix-Hermes-Req-Id
V-Age
User-Cache-Control
X-AB-Test
X-Accel-Expires-Debug
X-App-Name
X-Date
X-Akamai-Device-Characteristics
X-Acquia-Purge-Cdn-Unconfigured
X-Gdpr
X-Op-Id-All
X-Men
X-Via-Fastly
X-Level-Front-Cache
X-Thinkindot-L3
RewriteTestHook
X-Mvc-Supplant-OutputCached
X-SB
X-Jungle-Id
X-Ion-Hop
Azure-SlotName
Azure-Version
X-Thinkindot-L1
Azure-SiteName
Azure-RegionName
X-Ion-Healthy
Azure-InstanceId
X-UA-Device-Type
X-Request-URI
X-Pubstack
X-Varnish-Remaining-TTL
X-Varnish-CookieINHashed-On
X-VarnishDD-TTL
X-NGINX-Cache
X-Uri
X-Up
X-Varnish-CookieHashed-On
X-Region-Sid
X-LSADC-Cache
X-Nyt-Route
X-NMSegId
X-Reqid
X-Render-Time
X-Path
X-Origin-Time
X-Proto
Cache-Contol
NM-Fastcgi-Cache
Nord-Request-ID
Origin-CC
Machine
X-Wikidot-Backend
X-We-Are-Hiring
X-Sn-Servicetimems
Origin-EX
PFcat
Req-Svc-Chain
RewriteTeamHook
Release
X-Wikidot-Static-Cache
Pics-Label
X-SVT-ORM-RULES
X-Thanos
L
Cmsid
Cmstype
Content-Script-Type
X-Vmg-Version
X-Viewer-Country
CDCHOST
X-Shield-Cache-Expires
X-SVT-ORM-VERSION
Content-Style-Type
Fastly-Backend-Name
X-Human
X-HN
DSUID
X-Hnp-Log
X-ElasticPress-Query
X-Proxied-Request
X-DPWN-IS-SECURE
X-Edge-Server
X-Moov-Xdn-Caching-Status
Click-Count-Error
Fastly-GeoIP-CountryCode
Click-Count-Action-Start
Cdn-Request-Time
CacheControlHeader
Cdn-Host
X-Gzip
Tube-Return
Platform
Producers
Tube-Get-Contents
Tube-Got-Eval
Tube-Got-Results
C-Via
X-Location
X-Cache-Id
X-Esi-Check
X-Vercel-Cache
X-Vercel-Id
Mime-Version
X-Moov-Xdn-Version
X-Moov-T
X-B3-Trace-ID
X-Air-Pt
X-ZONE
Load-Balancing
X-Origin-Response-Time
XM
Fastly-Drupal-HTML
X-Sucuri-ID
X-Cached-By
X-Pad
NGX
X-NF-Request-ID
X-Varnish-Hits
X-Refresh
X-Source
Debug
Cookie
X-Nginx-Cache-Key
X-Via-Popv
X-Via-Popn
X-Debug-Service
X-Via-Poph
X-APP
X-Datadome
True-Client-Country-4JS
GeoIp-Country-Code
GeoIP-Latitude
X-DynaTrace-JS-Agent
X-Servedbyhost
Sever-Int
X-AIR-PT
X-HA-Backend
X-Srv
Server-Ext
Server-Hostname
X-Webkit-CSP
X-TH-Server
X-Nananana
Show-Do-Not-Sell-Link
HA-Ipaddr
Product
Server-ID
X-Cdn-Forward
X-Litespeed-Tag
Traceparent
X-Cache-Backend
X-Ez-Minify-Html
Cdn
X-Amz-Meta-Cb-Modifiedtime
WZWS-RAY
X-Zone
X-B3-Parentspanid
HostName
X-Cache-VC
X-TT-LOGID
X-GeoIP
X-Fpc
X-Unity-Cache
X-Wa
DataCenter
X-LB-ID
X-Nc
Fastly-Drupal-Html
X-Newrelic-Synthetics
Edge-Cache
X-User
Tcn
X-VCL-Version
X-CDN-Provider
X-AC
Lb
SID
X-Nginx-Cache
X-B3-Spanid
MIME-Version
XkeyR9
A
X-Vc
Akamai-Mon-Iucid-Del
Xkey-La3
X-Request-Start
Xkeylog
X-Proxy-Cache-La3
Resin-Trace
Serverhost
X-Lsadc-Cache
X-Proxy-CacheR9
X-LB-NoCache
Yjs-Id
X-Scheme
CountryCode
Wsr-Cache
X-TX-ID
Sm-Log-Id
X-Service-Response-Time
X-LiteSpeed-Tag
X-Datacenter
Cs
X-RateLimit-Limit
NtCoent-Length
X-LiteSpeed-Cache-Control
Hostname
Esi-Enabled
Uri
X-Pool
CDN
X-WA
X-Request-Host
Surrogated-Key
Cdn-Requestid
X-Lb-Id
X-CS
X-API-Version
X-NC
Datacenter
X-Dynatrace-Js-Agent
X-HubSpot-Correlation-Id
X-Akamai-Pragma-Client-IP
X-Fastly-Backend-Reqs
X-NodeID
X-VC-Age
X-FPC
X-ID
X-Aspnet-Version
X-Udemy-Cache-App-Namespace
X-RequestId
X-Vgn-Hpd-Reason
X-Via-JSL
Cr
X-Stale
Server-Id
X-TIM-N
Pramga
X-Cache-Grace
Content-Secure-Policy
X-Html-Minification-Powered-By
Proxy-Firewall
X-Styx-Info
X-HA-Device-Type
X-Styx-Origin-Id
X-HA-Application-Name
X-HA-Bot-Classification
X-CSRF-TOKEN
X-Var-Ttl
T-Server
ServerHost
GeoIP-Country-Code
Geoip-Latitude
Yak-Timeinfo
X-Srcache-Fetch-Status
X-Air-Source
X-DynaTrace
X-Air-Hostname
X-Ez-Minify-Js
X-Srcache-Store-Status
RATING
X-Air-Trace-Id
X-TimeS
X-DataCenter
X-Lb-Nocache
W
X-ServedByHost
N1-Cache
Edge-Copy-Time
X-Ha-Backend
From-Cache
Srv
X-Varnish-Beresp-TTL
X-Via-SSL
X-Via-CDN
X-Via-Edge
X-Wp-Cf-Super-Cache
X-Wp-Cf-Super-Cache-Cache-Control
X-Aspnetmvc-Version
X-Oracle-DMS-ECID
X-MSEdge-Features
Req-ID
X-Geolocation
X-MSEdge-Flight
X-Via-PopV
X-Swift-Error
X-App
X-Zen-Fury
X-Via-PopN
X-CACHE-KEY
Cloudfront-Viewer-Country
X-Via-PopH
X-Jobs
X-Sorting-Hat-Shopid
X-Sorting-Hat-Podid
X-Shopid
X-Shardid
X-Wp-Cf-Super-Cache-Active
X-LAGOON
X-Wp-Cf-Super-Cache-Cookies-Bypass
WP-Super-Cache
X-Proxy-Cache-LA2
True-Client-IP
X-Ramcache
X-Ssense-Shipping-Surcharge-Enabled
X-Key
Ohc-Cache-HIT
FSS-Cache
X-ByteArk-Cache
X-ByteArk-ReqID
X-Correlation-ID
Ohc-File-Size
X-VServer
X-Ssense-Gql
X-NODE
Cl-Cache
X-Cdn-Srv
CF-Cached-On
On-Server
X-Elasticpress-Query
X-Geo
X-Cdn-Cache-Status
X-Check-Cacheable
X-Webkit-Csp-Report-Only
X-Sucuri-Id
Ngx
X-Web-Server
X-VTEX-Cache-Time
X-Th-Server
X-Serial
WebServer
Akamai-X-True-TTL
X-DC
X-PageType
X-Powered-By-VTEX-Cache
X-VTEX-Cache-Server
X-ATG-Version
X-Iplb-Request-Id
X-Iplb-Instance
Cf-Ipcountry
Warning
My-App
X-MiniProfiler-Ids
X-Limited
X-Beacon
X-Fastly-Cache-Status
Cneonction
X-Env
X-Request-Url
X-Fastly-Cache
User-Agent
FSS-Proxy
Host-Name
Xkey-G-Jp
X-Mg-Cache