I have seen many websites that include at their JavaScript and CSS external resources things like this:
filename.js?v=3cc1b79c2abb
And:
filename.css?v=7bbb71ecd5eb
The "?v=..." things at the end... What is this? And for what is this useful?
Thank you! Cheers :)
These are a form of "Cache Busting" - they force the browser to download the latest version of the file, rather than taking a chance at loading an old file from cache.
Collected from the Internet
Please contact [email protected] to delete if infringement.
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