| Websites using header expect-ch | 1 |
| Percentage of websites that use expect-ch header | less than 0.1% |
| Total discovered header values | 1 |
| Header uses directives | No |
| Header values are unique or random | Yes |
| Most popular in the country |
| Directive | Share | Websites count | Unique Values |
|---|
| Domain | Country | Rank | Contacts |
|---|---|---|---|
| 283,684 |
| Header value | Value prevalence |
|---|---|
| true | 100% |