HTTP response header

Header usage statistics

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

Websites using header X-Varnish-Backend 510
Percentage of websites that use X-Varnish-Backend header <0.1%
Total discovered header values 130
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 3 websites
Top 100k sites 11 websites
Top 1m sites 134 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
www.avrotros.nl United States of America 6,516
web.avrotros.nl Netherlands 12,378
www.johnlewis.com United States of America 12,974
aerzte-ohne-grenzen.de Germany 15,652
See full domain list

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 20.20%
vm75_5 6.08%
vm77_1 5.10%
be_culturamix 3.33%
php05_80 3.33%
php06_80 2.75%
vm77_2 2.55%
php04_80 1.96%
web005 1.96%
vm76_4 1.76%
php02_80 1.57%
vm75_11 1.37%
vm84_3 1.37%
vm84_1 1.18%
php03_80 1.18%
vm72_1 1.18%
php01_80 1.18%
vm86_4 0.98%
vm61_10 0.98%
vm74_11 0.98%