keep-alive directives (2 total)
- max
- timeout
keep-alive
HTTP response headerHeader usage statistics
keep-alive response header information and usage statistics.| Websites using header keep-alive | 14,776,382 |
| Percentage of websites that use keep-alive header | 24.17% |
| Total discovered header values | 4,730 |
| Header uses directives | Yes |
| Header values are unique or random | No |
| Most popular in the country |  United States |
keep-alive Directives
keep-alive directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|---|---|---|
| timeout | 100.00% | 14,776,196 | 88 |
| max | 83.75% | 12,375,291 | 372 |
Websites utilizing keep-alive
List of websites that use keep-alive header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| United States | 141 | ||
 Russia | 192 | ||
 Brazil | 196 | ||
| United States | 204 | ||
| United States | 211 | ||
 Germany | 245 |
Common header values
List of top common keep-alive header values| Header value | Value prevalence |
|---|---|
| timeout=5, max=100 | 52% |
| timeout=5 | 8% |
| timeout=3, max=100 | 5% |
| timeout=5, max=75 | 5% |
| timeout=2, max=100 | 4% |
| timeout=2, max=1000 | 3% |
| timeout=15, max=100 | 3% |
| timeout=10 | 1% |
| timeout=20 | 1% |
| timeout=30 | 1% |
| timeout=60 | 1% |
| timeout=15 | 0% |
| timeout=2, max=500 | 0% |
| timeout=1, max=100 | 0% |
| timeout=10, max=100 | 0% |
| timeout=5, max=500 | 0% |
| timeout=5, max=200 | 0% |
| timeout=5, max=99 | 0% |
| timeout=300, max=500 | 0% |
| timeout=3, max=500 | 0% |