Request-Context

HTTP response header

Request-Context is used for cross-component correlation when 2 of your applications use different instrumentation keys. In this case knowing caller or callee appId (passed in the header) allows to build application map and trace correlated telemetry across instrumentation keys

Header usage statistics

Request-Context response header information and usage statistics.
Websites using header Request-Context91,032
Percentage of websites that use Request-Context header0.15%
Total discovered header valuesMore than 10,000
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

Request-Context Directives

Request-Context directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header
ASP.NET Core, category Web Application Frameworks, total 98,043 websites

Websites utilizing Request-Context

List of websites that use Request-Context header
DomainCountryRankContacts
support.microsoft.com United States165
consent.cookiebot.com Denmark348
who.int United States360
aboutcookies.org United States420
ico.org.uk GB534
msdn.microsoft.com United States747
See full domain list

Common header values

List of top common Request-Context header values
Header valueValue prevalence
appId=7%
appId=cid-v1:5%
appId=cid-v1:64640e46-9cd2-4413-9485-c7395dd99be82%
appId=cid-v1:2222bae7-6b65-488b-a7a8-8f50b5e558381%
appId=cid-v1:80f3730a-a834-46ab-bf59-cbad66cebe341%
appId=cid-v1:0453f9b1-b545-4435-b53d-818a0a122df81%
appId=cid-v1:4a782b60-7004-40dc-b9a9-4c1a550fe4e10%
appId=cid-v1:31a7615b-c3e5-46d8-b937-55c4e12a46860%
appId=cid-v1:a7946019-0d56-4387-aceb-c00bdf9089e60%
appId=cid-v1:7b14144f-7dae-4413-b0db-984de3dae2470%
appId=cid-v1:260dcd14-1564-44b4-b5c5-7abfe7739f730%
appId=cid-v1:3f5d56aa-74d9-43cf-aa69-0b8b979e2be40%
appId=cid-v1:502897cc-b199-4787-a2a7-cbb80d565b540%
appId=cid-v1:a89aa0a1-c676-46df-aaa0-7b073929d7d10%
appId=cid-v1:689882ea-e821-43af-9087-3e52e809e06c0%
appId=cid-v1:d9d62b47-3f26-459a-aec2-49611e73c7140%
appId=cid-v1:e9112e7f-1c41-42f0-99c1-2b73d27e5dbd0%
appId=cid-v1:b55418c0-69e2-46f6-8d94-e43b77e1dd4c0%
appId=cid-v1:fa696cf9-5380-4731-b48f-20d074af6a640%
appId=cid-v1:487b9dc5-2b34-4795-88ed-918706e724c70%