Keep-Alive

HTTP response header

Header usage statistics

Keep-Alive response header information and usage statistics.
Websites using header Keep-Alive24,215,217
Percentage of websites that use Keep-Alive header29.54%
Total discovered header values5,478
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country United States

Keep-Alive directives (2 total)

  • max
  • timeout

Keep-Alive Directives

Keep-Alive directives value information and usage statistics
DirectiveShareWebsites countUnique Values
timeout100.00%24,215,02890
max78.25%18,948,541446

Websites utilizing Keep-Alive

List of websites that use Keep-Alive header
DomainCountryRankContacts
cpanel.net United States141
yastatic.net Russia192
stackpath.com United States194
ufsc.br Brazil196
nginx.org United States211
iyfubh.com British Virgin Islands224
See full domain list

Common header values

List of top common Keep-Alive header values
Header valueValue prevalence
timeout=5, max=10045.71%
timeout=159.21%
timeout=56.32%
timeout=5, max=755.22%
timeout=2, max=1004.35%
timeout=3, max=1004.08%
timeout=15, max=1002.68%
timeout=2, max=10002.55%
timeout=201.75%
timeout=101.61%
timeout=601.23%
timeout=301.17%
timeout=1, max=1000.77%
timeout=10, max=1000.65%
timeout=5, max=5000.54%
timeout=2, max=5000.46%
timeout=5, max=2000.45%
timeout=5, max=1500.42%
timeout=3, max=5000.41%
timeout=5, max=990.31%