musicmaster Posted October 13, 2015 Share Posted October 13, 2015 After running a site through GTMetrix I got on top of the issues to repair a list of urls with the message "Specify a cache validator". The files mentioned are a rather strange mix: some 25 home_default product images, a couple of Jquery's files and about all the custom images that I added at diverse locations to the site. What does this message mean and what can I do about it? Link to comment Share on other sites More sharing options...
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