x-ttfb
HTTP response headerHeader usage statistics
x-ttfb response header information and usage statistics.| Websites using header x-ttfb | 37,568 |
| Percentage of websites that use x-ttfb header | <0.1% |
| Total discovered header values | 1,379 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  US |
x-ttfb Directives
x-ttfb directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|
Distribution by websites popularity
x-ttfb detection in the top websites by popularity| Top 10k sites | 21 websites |
| Top 100k sites | 47 websites |
| Top 1m sites | 195 websites |
Websites utilizing x-ttfb
List of websites that use x-ttfb header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| US | 1,182 | ||
| US | 1,182 | ||
| US | 1,245 | ||
| US | 1,269 | ||
| US | 1,380 | ||
| US | 1,713 |
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-ttfb header values| Header value | Value prevalence |
|---|---|
| 0.0109 | 0.64% |
| 0.0114 | 0.63% |
| 0.011 | 0.60% |
| 0.0112 | 0.58% |
| 0.0117 | 0.57% |
| 0.0113 | 0.55% |
| 0.0108 | 0.55% |
| 0.0105 | 0.54% |
| 0.0115 | 0.52% |
| 0.0118 | 0.50% |
| 0.0116 | 0.50% |
| 0.0107 | 0.50% |
| 0.0102 | 0.49% |
| 0.0106 | 0.48% |
| 0.0104 | 0.48% |
| 0.0121 | 0.46% |
| 0.0111 | 0.45% |
| 0.0119 | 0.45% |
| 0.012 | 0.45% |
| 0.0101 | 0.42% |