X-Content-Type-Options directives (1 total)
- nosniff
X-Content-Type-Options
HTTP response headerHeader usage statistics
X-Content-Type-Options response header information and usage statistics.| Websites using header X-Content-Type-Options | 16,100,771 |
| Percentage of websites that use X-Content-Type-Options header | 16.19% |
| Total discovered header values | 286 |
| Header uses directives | Yes |
| Header values are unique or random | No |
| Most popular in the country |  US |
X-Content-Type-Options Directives
X-Content-Type-Options directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|---|---|---|
| nosniff | 99.80% | 16,068,286 | 3 |
Distribution by websites popularity
X-Content-Type-Options detection in the top websites by popularity| Top 10k sites | 4,009 websites |
| Top 100k sites | 35,224 websites |
| Top 1m sites | 300,570 websites |
Websites utilizing X-Content-Type-Options
List of websites that use X-Content-Type-Options header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| US | 1 | ||
| US | 2 | ||
| US | 3 | ||
| US | 5 | ||
| US | 6 | ||
| US | 6 |
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Geographical Distribution
Header usage distribution by websites across the globe.Common header values
List of top common X-Content-Type-Options header values| Header value | Value prevalence |
|---|---|
| nosniff | 99.78% |
| : nosniff | 0.08% |
| nosniff†| 0.05% |
| "nosniff" always | 0.02% |
| "nosniff" | 0.01% |
| nosniff” | 0.01% |
| nosniff; | 0.01% |
| nosniff, nosniff | 0.01% |
| nosniff: | 0.00% |
| value | 0.00% |
| \'nosniff\' | 0.00% |
| 'nosniff' | 0.00% |
| * | 0.00% |
| no-sniff | 0.00% |
| “nosniff†| 0.00% |
| nonsniff | 0.00% |
| SAMEORIGIN | 0.00% |
| nosnif | 0.00% |
| DENY | 0.00% |
| sniff | 0.00% |