X-Whom
HTTP response headerHeader usage statistics
X-Whom response header information and usage statistics.| Websites using header X-Whom | 7,660 |
| Percentage of websites that use X-Whom header | <0.1% |
| Total discovered header values | 433 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  US |
X-Whom Directives
X-Whom directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|
Distribution by websites popularity
X-Whom detection in the top websites by popularity| Top 10k sites | 12 websites |
| Top 100k sites | 50 websites |
| Top 1m sites | 606 websites |
Websites utilizing X-Whom
List of websites that use X-Whom header| Domain | Country | Rank | Contacts |
|---|---|---|---|
 MX | 3,191 | ||
 JP | 4,451 | ||
| JP | 4,528 | ||
| US | 4,622 | ||
| US | 5,221 | ||
| JP | 5,778 |
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-Whom header values| Header value | Value prevalence |
|---|---|
| prod-core-www1 | 10.03% |
| f1006 | 2.60% |
| f1007 | 2.60% |
| f1005 | 2.56% |
| f1004 | 2.56% |
| f1010 | 2.49% |
| f1003 | 2.43% |
| f1017 | 2.40% |
| f1018 | 2.40% |
| f1011 | 2.39% |
| f1014 | 2.39% |
| f1012 | 2.39% |
| f1008 | 2.38% |
| f1009 | 2.38% |
| f1002 | 2.36% |
| f1020 | 2.35% |
| f1019 | 2.27% |
| f1021 | 2.26% |
| f1001 | 2.23% |
| f1015 | 2.21% |