HTTP response header

Header usage statistics

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

Websites using header X-Perf-1 568
Percentage of websites that use X-Perf-1 header <0.1%
Total discovered header values 568
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 2 websites
Top 1m sites 14 websites

Websites utilizing X-Perf-1

List of websites that use X-Perf-1 header

Domain Country Rank Contacts
tobycarvery.co.uk Ireland 12,482
www.tobycarvery.co.uk Ireland 12,482
nicholsonspubs.co.uk Ireland 198,566
www.nicholsonspubs.co.uk Ireland 198,566
harvester.co.uk Ireland 373,565
www.harvester.co.uk Ireland 373,565
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=1030 t=1620777924798207 0.18%
D=1048 t=1620516903014397 0.18%
D=1059 t=1620697153523862 0.18%
D=1070 t=1620990464332165 0.18%
D=1091 t=1620804801981458 0.18%
D=1106 t=1621139216273601 0.18%
D=1141 t=1622017435360643 0.18%
D=1185 t=1621280172729956 0.18%
D=1284 t=1622017461555522 0.18%
D=1309 t=1621139214888971 0.18%
D=1368 t=1620697150573452 0.18%
D=1437 t=1621357563955693 0.18%
D=280 t=1621401735583987 0.18%
D=301 t=1621117682015087 0.18%
D=308 t=1621498904162970 0.18%
D=318 t=1621170492012948 0.18%
D=323 t=1620679993254177 0.18%
D=323 t=1621169209853715 0.18%
D=325 t=1622081266454329 0.18%
D=331 t=1621333452062207 0.18%