Many javascript projects have install instructions recommending that people use a CDN like jsdelivr or unpkg to include the code on their website. This has the advantage that it's quicker to get started with, and it's often claimed to load faster. However, it also has downsides when it comes to privacy, security, and systemic risk, and it may actually be slower in some common cases. Here are some reasons not to use a javascript CDN, and some alternatives to consider instead.
