How To: Leverage Browser Caching for Images, CSS and JS

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Ever checked your website speed using GTmetrix, Pingdom, PageSpeed or Yslow… or any of the other many and various latest and greatest speed checking tools? ***2021 update: take a look at Lighthouse Well, if you have, you might have come across a request to “leverage browser caching…” or similar. What does “Leverage Browser Caching” actually …

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