x-ttfb-l
HTTP response headerHeader usage statistics
x-ttfb-l response header information and usage statistics.| Websites using header x-ttfb-l | 37,441 |
| Percentage of websites that use x-ttfb-l header | <0.1% |
| Total discovered header values | 5,084 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  US |
x-ttfb-l Directives
x-ttfb-l directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|
Distribution by websites popularity
x-ttfb-l detection in the top websites by popularity| Top 10k sites | 5 websites |
| Top 100k sites | 15 websites |
| Top 1m sites | 154 websites |
Websites utilizing x-ttfb-l
List of websites that use x-ttfb-l header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| US | 1,182 | ||
| US | 1,182 | ||
| US | 1,245 | ||
| US | 1,269 | ||
| US | 1,380 | ||
| US | 27,275 |
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-l header values| Header value | Value prevalence |
|---|---|
| 0 | 30.62% |
| 15831 | 0.07% |
| 15528 | 0.06% |
| 15603 | 0.06% |
| 15777 | 0.06% |
| 15610 | 0.06% |
| 15594 | 0.06% |
| 15678 | 0.06% |
| 15637 | 0.06% |
| 15843 | 0.06% |
| 15383 | 0.06% |
| 16000 | 0.06% |
| 15534 | 0.05% |
| 15216 | 0.05% |
| 15758 | 0.05% |
| 15741 | 0.05% |
| 15564 | 0.05% |
| 15705 | 0.05% |
| 15752 | 0.05% |
| 15395 | 0.05% |