Cusdis is a great, lightweight comment system, but its isolation inside an iframe means the default look rarely fits a polished blog. Instead of modifying the library’s source code, I’ll show you how to use JavaScript and the srcdoc attribute to inject your own styles directly into the widget.

Site performance isn’t just about file weight, it is also about how those files are delivered. In this article, I analyze the impact of fragmented CSS files on loading times in Hugo and demonstrate the optimization process: from minification configuration and bundling to a caching strategy (fingerprinting) that eliminates unnecessary network requests.