Surrogate-Key

HTTP response header

Header usage statistics

Surrogate-Key response header information and usage statistics.

Websites using header Surrogate-Key 1,345
Percentage of websites that use Surrogate-Key header <0.1%
Total discovered header values 1,218
Header uses directives No
Header values are unique or random Yes
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 6 websites
Top 100k sites 20 websites
Top 1m sites 176 websites

Websites utilizing Surrogate-Key

List of websites that use Surrogate-Key header

Domain Country Rank Contacts
www.addthis.com United States of America 1,202
rtp.pt United States of America 2,442
www.rtp.pt United States of America 2,442
www.blogher.com United States of America 2,850
academymusicgroup.com United States of America 7,872
www.syfy.com United States of America 9,327
See full domain list

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
mirror-csail 1.19%
klecker 0.82%
front post-2 post-user-1 single 0.82%
tm-home 0.52%
mirror-isc 0.45%
static, html, static 0.45%
front 0.30%
tm-front_page 0.30%
tgdikP2WwhzFNqpZJZqo Wj/F1Ku4wH/AtBjS6d3/ 0.22%
desktop 0.22%
front post-15 post-user-1 single 0.22%
srv-boi5m9cdnlais304297g 0.22%
content content/homepage 0.22%
p-1757 tm-front_page 0.22%
front post-5 post-user-1 single 0.22%
front home post-2089042 post-2088912 post-2088968 post-2089038 post-2088846 post-2089034 post-2088861 post-2088739 post-2089036 post-2088709 post-2088818 post-2089040 post-2088868 post-2088785 post-2088715 post-2089022 post-2088565 post-2088741 post-20885 0.15%
eavOoWGg7Dt9YhBq4uuf Q4JFdVVPgPS0Zl0KwFZJ 0.15%
100621 100621-0 0.15%
front home 0.15%
desktop no-xqs-utm-source-set 0.15%