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