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 statisticsX-Speed-Cache-Key response header information and usage statistics.
|Websites using header X-Speed-Cache-Key||4,240|
|Percentage of websites that use X-Speed-Cache-Key header||<0.1%|
|Total discovered header values||781|
|Header uses directives||No|
|Header values are unique or random||No|
|Most popular in the country|| US|