X-Vercel-Error

HTTP response header

Header usage statistics

X-Vercel-Error response header information and usage statistics.
Websites using header X-Vercel-Error7,197
Percentage of websites that use X-Vercel-Error header<0.1%
Total discovered header values13
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

X-Vercel-Error Directives

X-Vercel-Error directives value information and usage statistics
DirectiveShareWebsites countUnique Values

X-Vercel-Error header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing X-Vercel-Error

List of websites that use X-Vercel-Error header
DomainCountryRankContacts
jsperf.com United States20,842
touchpunch.furf.com United States69,567
webapp.imgix.com United States69,859
appointmentplus.com United States75,928
blog.nodejs.org United States88,285
speed.insane.com United States124,450
See full domain list

Common header values

List of top common X-Vercel-Error header values
Header valueValue prevalence
DEPLOYMENT_NOT_FOUND88.93%
NOT_FOUND6.53%
DEPLOYMENT_DISABLED2.72%
FUNCTION_INVOCATION_FAILED1.10%
FUNCTION_INVOCATION_TIMEOUT0.43%
DNS_HOSTNAME_NOT_FOUND0.14%
BAD_REQUEST0.04%
EDGE_FUNCTION_INVOCATION_FAILED0.04%
DNS_HOSTNAME_SERVER_ERROR0.01%
INTERNAL_REGIONAL_CACHE_FAILED0.01%
INTERNAL_UNARCHIVE_FAILED0.01%
ROUTER_EXTERNAL_TARGET_CONNECTION_ERROR0.01%
UNAVAILABLE_FOR_LEGAL_REASONS0.01%