No, Dexecure sits on top of a CDNs like Cloudflare, CloudFront, Akamai, Fastly, CDNetworks etc. and we optimise images, CSS, JS and Fonts automatically based on the device, network and browser. CDNs typically just cache content.
Even if you are already using a CDN you will see a significant improvement in the speed of your website once Dexecure is installed.
Infrastructure related questions