HTTP response header

Header usage statistics

X-Cache-Grace response header information and usage statistics.

Websites using header X-Cache-Grace 684
Percentage of websites that use X-Cache-Grace header <0.1%
Total discovered header values 16
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

X-Cache-Grace detection in the top websites by popularity

Top 10k sites 4 websites
Top 100k sites 10 websites
Top 1m sites 122 websites

Websites utilizing X-Cache-Grace

List of websites that use X-Cache-Grace header

Domain Country Rank Contacts
www.nature.com United States of America 181
link.springer.com United States of America 249
www.spiegel.de Germany 3,002
www.manager-magazin.de Germany 5,047
www.biomedcentral.com United States of America 76,138
rd.springer.com United States of America 78,050
See full domain list
Flat price per report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Cache-Grace header values

Header value Value prevalence
NO 81.29%
YES 4.68%
Fresh 3.80%
259200.000 3.07%
none 2.63%
28800.000 0.73%
3600.000 0.73%
10.000 0.58%
129600.000 0.58%
regular cache hit 0.44%
stale content, refreshing 0.44%
21600.000 0.29%
normal(limited) 0.29%
normal 0.15%
normal-hit 0.15%
unknown 0.15%