you usually bring in a cdn when you're dealing with a lot of media files, like images and videos, or when your website

we're seeing some pretty consistent latency spikes for users far from our origin servers, especially during peak traffic. we've been thinking about a CDN, but before we start looking at vendors, I wanted to get some thoughts from you all. what are your signals for when a CDN becomes a must-have instead of just a nice perk? are there specific metrics you watch, or is it more about user experience complaints? curious to hear about your experiences