HTTP response header

Header usage statistics

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

Websites using header X-Varnish-Backend 463
Percentage of websites that use X-Varnish-Backend header <0.1%
Total discovered header values 125
Header uses directives No
Header values are unique or random No
Most popular in the country Germany

Distribution by websites popularity

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

Top 10k sites 2 websites
Top 100k sites 9 websites
Top 1m sites 127 websites

Websites utilizing X-Varnish-Backend

List of websites that use X-Varnish-Backend header

Domain Country Rank Contacts
www.psychologytoday.com United States of America 240
road.cc Germany 2,909
web.avrotros.nl Netherlands 12,378
www.johnlewis.com United States of America 12,974
aerzte-ohne-grenzen.de Germany 15,652
www.aerzte-ohne-grenzen.de Germany 15,652
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-Backend header values

Header value Value prevalence
default 16.63%
vm75_5 7.13%
vm77_1 5.40%
php04_80 3.89%
be_culturamix 3.67%
php05_80 3.46%
vm84_3 2.38%
web005 1.94%
php03_80 1.94%
vm77_2 1.94%
php01_80 1.73%
vm84_1 1.73%
php06_80 1.51%
vm76_4 1.51%
vm61_10 1.30%
vm74_11 1.08%
vm86_4 1.08%
vm75_11 1.08%
www.healthy 0.86%
vm61_1 0.86%