How Can I Efficiently Identify and Remove Unused Images and CSS from My Website?

Identifying Unused Resources in Websites: A Guide to Efficient Detection

Searching for unused images and CSS styles in a website can be a tedious task, but it's essential for optimizing performance and reducing unnecessary bloat. While trial and error may seem like the only option, there are more efficient methods available.

Finding Unused Images

To locate unused images, you can leverage a feature in Google Chrome's Inspector tool. By navigating to Audits > Remove Unused CSS Rules, you'll be presented with a list of images that are not referenced anywhere in the website's code. This eliminates the need for time-consuming manual inspection.

Identifying Unused CSS Styles

Unused CSS styles refer to declarations for elements that do not exist in the site. Similar to the method for images, Google Chrome 59 introduces a feature called CSS and JS code coverage. This tool provides a visual representation of the coverage of CSS and JavaScript code, allowing you to easily identify unused styles.

Additional Tips

• Web Page Test: Use an online tool like Web Page Test to analyze a website's performance and identify any unused assets.
• Image Optimizer: Consider using an image optimizer to automatically detect and remove unused images.
• CSS Audit Tools: Leverage CSS code auditors to analyze and optimize CSS code, identifying and eliminating unused styles.

By employing these methods, you can streamline the process of identifying unused resources in your website, ensuring optimal performance and a leaner codebase.

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