HTTP response header

X-Speed-Cache-Key header is added by a web server level module called 'Speed Booster' that is part of the Drupal Platform. It is used to check which key has been used to retrieve the cached version in Speed Booster.

Header usage statistics

X-Speed-Cache-Key response header information and usage statistics.

Websites using header X-Speed-Cache-Key4,240
Percentage of websites that use X-Speed-Cache-Key header<0.1%
Total discovered header values781
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

X-Speed-Cache-Key Directives

X-Speed-Cache-Key directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Speed Booster, category Cache Tools, total 4,240 websites

Distribution by websites popularity

X-Speed-Cache-Key detection in the top websites by popularity

Top 10k sites0 websites
Top 100k sites6 websites
Top 1m sites139 websites

Websites utilizing X-Speed-Cache-Key

List of websites that use X-Speed-Cache-Key header

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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Speed-Cache-Key header values

Header valueValue prevalence