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 7,274
Percentage of websites that use X-Varnish-Cache header <0.1%
Total discovered header values 128
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 464,156 websites

Distribution by websites popularity

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

Top 10k sites 41 websites
Top 100k sites 150 websites
Top 1m sites 1,523 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
www.politico.com United States of America 224
www.homedepot.com United States of America 406
www.scientificamerican.com United States of America 932
www.drugabuse.gov United States of America 1,724
See full domain list
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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
HIT 50.54%
MISS 43.47%
PASS 0.85%
0 0.65%
HIT-1 0.38%
cached 0.34%
HIT(grace) 0.30%
Miss from Varnish 0.23%
Hit from Varnish 0.22%
1 0.19%
MISS-1 0.19%
HIT cached 0.15%
Not cached 0.14%
miss cached 0.11%
uncached 0.10%
HIT02 0.05%
HIT 1 0.05%
MISS- 0.04%