HTTP response header

The X-Varnish HTTP 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. It makes debugging Varnish a lot easier.

Header usage statistics

X-Varnish-Cache response header information and usage statistics.

Websites using header X-Varnish-Cache 7,985
Percentage of websites that use X-Varnish-Cache header <0.1%
Total discovered header values 131
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Connected technologies

Technologies that utilize the header

Varnish, category Cache Tools, total 467,252 websites

Distribution by websites popularity

X-Varnish-Cache detection in the top websites by popularity

Top 10k sites 44 websites
Top 100k sites 165 websites
Top 1m sites 1,575 websites

Websites utilizing X-Varnish-Cache

List of websites that use X-Varnish-Cache header

Domain Country Rank Contacts
vimeo.com United States of America 26
player.vimeo.com United States of America 59
politico.com United States of America 224
www.politico.com United States of America 224
www.homedepot.com United States of America 406
www.scientificamerican.com United States of America 932
See full domain list

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Varnish-Cache header values

Header value Value prevalence
MISS 61.93%
HIT 30.03%
1 2.15%
PASS 0.93%
0 0.65%
HIT-1 0.36%
cached 0.31%
MISS from Varnish 0.23%
HIT from Varnish 0.19%
HIT 1 0.18%
HIT(grace) 0.18%
MISS-1 0.16%
Not cached 0.15%
HIT cached 0.15%
miss cached 0.10%
uncached 0.10%
HIT 2 0.06%
GRACE 0.06%
HIT (2) 0.06%