HTTP response header

Header usage statistics

X-Perf-1 response header information and usage statistics.

Websites using header X-Perf-1 663
Percentage of websites that use X-Perf-1 header <0.1%
Total discovered header values 663
Header uses directives No
Header values are unique or random Yes
Most popular in the country United Kingdom

Distribution by websites popularity

X-Perf-1 detection in the top websites by popularity

Top 10k sites 0 websites
Top 100k sites 0 websites
Top 1m sites 18 websites

Websites utilizing X-Perf-1

List of websites that use X-Perf-1 header

Domain Country Rank Contacts
nicholsonspubs.co.uk United States of America 147,406
www.nicholsonspubs.co.uk United States of America 147,406
vintageinn.co.uk United States of America 387,282
www.vintageinn.co.uk United States of America 387,282
browns-restaurants.co.uk United States of America 552,194
www.browns-restaurants.co.uk United States of America 552,194
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Perf-1 header values

Header value Value prevalence
D=1001 t=1628841320347466 0.15%
D=1005 t=1628192594951340 0.15%
D=1014 t=1628186388310468 0.15%
D=1020 t=1628320465477942 0.15%
D=1027 t=1628648916845607 0.15%
D=1034 t=1628206636780647 0.15%
D=1057 t=1628395617809087 0.15%
D=1073 t=1628973467817648 0.15%
D=1079 t=1628353154706293 0.15%
D=1114 t=1629682833119846 0.15%
D=1123 t=1628395611123285 0.15%
D=1162 t=1628117678634267 0.15%
D=1381 t=1628432026664763 0.15%
D=1382 t=1629561840858182 0.15%
D=2275 t=1628406531205708 0.15%
D=2350 t=1627986248472716 0.15%
D=2462 t=1628337438861412 0.15%
D=2538 t=1628376472988779 0.15%
D=2549 t=1628354298373769 0.15%
D=2577 t=1627991138508308 0.15%