HTTP response header

X-Cache-Lookup represents if the proxy has a cache-able response to the request (HIT for yes and MISS for no)

Header usage statistics

X-Cache-Lookup response header information and usage statistics.
Websites using header X-Cache-Lookup44,552
Percentage of websites that use X-Cache-Lookup header<0.1%
Total discovered header values1,145
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country China

X-Cache-Lookup Directives

X-Cache-Lookup directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Websites utilizing X-Cache-Lookup

List of websites that use X-Cache-Lookup header
res.wx.qq.com Singapore504
static.bshare.cn China579
qzonestyle.gtimg.cn China644
mmbiz.qpic.cn Singapore651
v.qq.com China783
12377.cn China1,467
See full domain list

Common header values

List of top common X-Cache-Lookup header values
Header valueValue prevalence
Cache Miss36.06%
Return Directly16.66%
MISS from itproxy.1and1.org:312812.26%
Cache Hit8.57%
MISS from hc2.hts.ru:803.36%
MISS from t0.hoster.ru:66663.20%
MISS from t1.hoster.ru:66661.37%
MISS from ip-172-31-5-221:800.93%
Cache Refresh Hit0.84%
MISS from localhost:31280.71%
Hit From Upstream0.65%
HIT from hc2.hts.ru:800.53%
MISS from islander.chorwacja.com:800.49%
MISS from 1gb-proxy-l32-aux7:800.41%
Hit From Disktank3 Gz0.39%
NONE from serv:88000.35%
MISS from 1gb-proxy-l24-aux7:800.32%
MISS from POW_CDN_squid_System:800.31%
MISS from squid2.lxcluster.at:800.28%
MISS from squid_cdn:800.22%