HTTP response header

Allows you to find the correct log-entries for the transaction. For a cache hit X-Varnish will contain both the ID of the current request and the ID of the request that populated the cache

Header usage statistics

X-Varnish response header information and usage statistics.

Websites using header X-Varnish 207,750
Percentage of websites that use X-Varnish header 1.78%
Total discovered header values 202,734
Header uses directives No
Header values are unique or random Yes
Most popular in the country United States of America

Connected technologies

Technologies that utilize the header

Varnish, category Cache Tools, total 467,488 websites

Distribution by websites popularity

X-Varnish detection in the top websites by popularity

Top 10k sites 433 websites
Top 100k sites 2,235 websites
Top 1m sites 19,293 websites

Websites utilizing X-Varnish

List of websites that use X-Varnish header

Domain Country Rank Contacts
creativecommons.org United States of America 34
eventbrite.com United States of America 60
www.eventbrite.com United States of America 60
upload.wikimedia.org United States of America 99
www.politico.com United States of America 224
www.psychologytoday.com United States of America 240
See full domain list

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Varnish header values

Header value Value prevalence
MISS 2.25%
HIT 0.09%
STALE 0.03%
BYPASS 0.01%
v4.rev1 0.01%
default 0.00%
MV15B128.214 0.00%
cache-01.prd.ec2.ciudad.com.ar 0.00%
cache-02.prd.ec2.eltrecetv.com.ar 0.00%
MV11B128.212 0.00%
49828814 0.00%
MV02B128.214 0.00%
14582458 13730017 0.00%
4720831 0.00%
590161 0.00%
295555 98489 0.00%
3280663 0.00%
519609942 0.00%
327691 0.00%
varnish-shared-001 0.00%