HTTP response header

Header usage statistics

X-Svr response header information and usage statistics.

Websites using header X-Svr 20,470
Percentage of websites that use X-Svr header <0.1%
Total discovered header values 132
Header uses directives No
Header values are unique or random No
Most popular in the country China

Distribution by websites popularity

X-Svr detection in the top websites by popularity

Top 10k sites 5 websites
Top 100k sites 40 websites
Top 1m sites 390 websites

Websites utilizing X-Svr

List of websites that use X-Svr header

Domain Country Rank Contacts
www.homestead.com United States of America 521
cdn.staticfile.org United States of America 1,195
sr.ffquan.cn China 6,166
yy.ffquan.cn China 6,387
img.iapply.cn China 9,853
uploadfile.xcx.gw66.vip United States of America 16,681
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Svr header values

Header value Value prevalence
IO 97.42%
cp1 0.81%
SA-WEB-PROD-02 0.12%
SA-WEB-PROD-01 0.12%
UP 0.08%
3 0.06%
.21 0.05%
.22 0.05%
WEB1629109 0.04%
S3ApiV2 0.03%
WEB1645112 0.03%
NLE0U2 0.03%
WEB1617250 0.02%
.192 0.02%
NLE0U1 0.02%
.13 0.02%
SA-WEB-TEST-01 0.02%
1 0.02%
W2 0.02%
p02 0.02%