HTTP response header

Header usage statistics

Surrogate-Key response header information and usage statistics.

Websites using header Surrogate-Key 2,179
Percentage of websites that use Surrogate-Key header <0.1%
Total discovered header values 1,603
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

Surrogate-Key detection in the top websites by popularity

Top 10k sites 11 websites
Top 100k sites 38 websites
Top 1m sites 266 websites

Websites utilizing Surrogate-Key

List of websites that use Surrogate-Key header

Domain Country Rank Contacts United States of America 545 United States of America 1,202 United States of America 1,286 United States of America 1,440 United States of America 1,811 United States of America 2,442
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common Surrogate-Key header values

Header value Value prevalence
front home 8.72%
text/html 1.15%
p-2 tm-front_page 1.06%
front post-2 post-user-1 single 0.87%
front post-4 post-user-1 single 0.83%
welcome-miss-mary 0.78%
home 0.64%
klecker 0.64%
mirror-isc 0.50%
single single-page single-2 front 0.41%
front post-6 post-user-1 single 0.41%
mirror-csail 0.41%
tm-home 0.37%
redirect 0.32%
topic 0.32%
single single-page single-6 front 0.32%
front post-48 post-user-1 single 0.32%
front post-5 post-user-1 single 0.32%
homepage 0.32%
single single-page single-7 front 0.28%