1
HTTP response headerHeader usage statistics
1 response header information and usage statistics.| Websites using header 1 | 337 |
| Percentage of websites that use 1 header | <0.1% |
| Total discovered header values | 46 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  United States |
1 Directives
1 directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|
1 header usage distribution by website rank
Geographical Distribution
Header usage distribution by websites across the globe.Websites utilizing 1
List of websites that use 1 header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| United States | 54,422 | ||
| United States | 71,681 | ||
 Belgium | 147,810 | ||
| United States | 276,644 | ||
 Austria | 297,463 | ||
 France | 412,657 |
Common header values
List of top common 1 header values| Header value | Value prevalence |
|---|---|
| a | 32.64% |
| no-cache | 17.80% |
| c | 10.39% |
| Accept-Language | 8.61% |
| text/html | 4.45% |
| P3P: CP="IDC DSP COR CURa ADMa OUR IND PHY ONL COM STA" | 3.86% |
| o | 3.26% |
| PUT | 1.78% |
| interest-cohort=() | 1.78% |
| 1 | 1.19% |
| - | 0.89% |
| Pragma: public | 0.89% |
| POST, GET, OPTIONS, PUT, PATCH, DELETE | 0.89% |
| T | 0.59% |
| * | 0.59% |
| 2 | 0.59% |
| Access-Control-Allow-Methods | 0.59% |
| Expires: Thu, 19 Nov 1981 08:52:00 GMT | 0.59% |
| l | 0.59% |
| application/pdf | 0.30% |