If you’re still using JQuery in this day and age you really need to stop yourself and ask why. JQuery remains one of the most popular and downloaded JavaScript libraries. The plainJS website shows you how you can get rid of it. All 100K+ of it.
If you’re still using JQuery in this day and age you really need to stop yourself and ask why.
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John Hardy Developer 
Web designers don’t just use JQuery, they load it via jsdelivr or similar external sites. Where traffic could be intercepted (think MITM on http only connections) and exposes e.g. internal links via referrer headers.
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That’s true of all libraries delivered by CDN. I guess that is a data leak of sorts although the benefits of caching should not be overlooked.
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John Hardy Turnbull delenda est it is a data leak (as is twitter’s JS as another example) and it is not liked at my employer, for reasons.
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John Hardy Turnbull delenda est: Good CDNs use SSL and refrain from excessive logging of referrers.
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Https all the things!
letsencrypt.org – Let’s Encrypt – Free SSL/TLS Certificates
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