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Editorial Team
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Asked: 2026-05-22T21:21:57+00:00

I’m using CKEditor which is a multi-file library so the main js file calls

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I’m using CKEditor which is a multi-file library so the main js file calls other js and css files. I’m noticing that after the main file is called, additional files have a ?t=CODE added to them, so something like this, but the actual files don’t have that extra ?t=B49E5BQ at the end. 

http://site.com/ckeditor/config.js?t=B49E5BQ
http://site.com/ckeditor/extra.js?t=B49E5BQ

What’s the point of this

P.S. Please feel free to add additional tags, because I’m not sure about this one.

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1 Answer

  1. Editorial Team

    I would guess that the URL parameter is added to bypass any caching mechanisms. When a client sees the same URL with a different query parameter, that usually means the client can’t use the cached version of the resource (in this case a JS file) and go to the server to fetch the latest version.

    In HTTP, if a URL is the same in every way except for the URL parameters, a client can not assume that those files/resources are the same resulting object.

    Which means:

    http://site.com/ckeditor/config.js?t=B49E5BQ

    is not the same as:

    http://site.com/ckeditor/config.js?t=1234
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