In today’s digital environment, reducing bandwidth costs is crucial for websites handling high traffic or large media files. A Content Delivery Network (CDN) helps by caching static content on edge servers, routing traffic closer to users, compressing files, and minimizing origin server usage. Industry estimates show CDNs can offload 70-90% of static traffic, cutting bandwidth bills by 40-70%. They also reduce data transfer distances, avoid traffic surge penalties, and lower bounce rates by improving performance. When choosing a CDN, consider pricing, coverage, compression, and cache efficiency. Real-world examples show up to 68% bandwidth cost reductions and handling traffic spikes without overages.