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Continue to ChatQuery : Caching of JS and CSS files – Apache mod_headers doesn’t take effect As suggested by an answer on SO, I'm trying using a version number on my JS and CSS files so that the browser will https://vmapp.org/query/113847/Caching-Of-JS-And-CSS-Files-Apache-Mod-Headers-Doesn-T-Take-Effect-As-Suggested-By-An-Answer-On-SO-I-M-Trying-Using-A-Version-Number-On-My-JS-And-CSS-Files-So-That-The-Browser-Will/