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Osclass

Optimization

This section helps you minimize the number of individual CSS and JavaScript files loaded, which can improve site performance and reduce page load times. You can merge and minify internal stylesheets and scripts, configure words or pages to exclude, and periodically clean up old optimized files.

Optimization settings
Optimization settings

CSS Stylesheets

  • Merge internal CSS style sheets into one: Combines all Osclass-generated CSS (except those loaded from external URLs) into a single file, reducing HTTP requests.
  • Minify/optimize merged CSS style sheet: Removes unnecessary comments, whitespace, and other redundancies. This can reduce file size, potentially improving load times.
  • CSS Exclude words: A comma-separated list of keywords (e.g., font,awesome,tiny,fineuploader). Any CSS file whose link or path contains one of these words is excluded from merging/minification. Helps avoid conflicts with critical or sensitive styles.
  • CSS Exclude pages: Lists pages where CSS optimization will not apply, e.g., item-item_add,item-item_edit. This is especially important if certain pages rely on separate styling logic or if merging breaks layout.

JS Scripts

  • Merge internal JS scripts into one: Collects all Osclass-generated JavaScript (except external scripts) into a single file, decreasing the number of requests.
  • Minify/optimize merged JS scripts: Removes comments, whitespace, and other redundant bytes. Improves load speed and reduces script size.
  • JS Exclude words: Similar to CSS exclusion, a keyword list (e.g., tiny,fineuploader) to skip merging/minifying scripts that match these terms in their paths.
  • JS Exclude pages: Specific page types or routes (e.g., item-item_add) where JavaScript optimization will not occur. Useful if certain scripts must load separately or if merging causes conflicts.

Clean Up Optimized Files

  • Weekly Cron Cleanup: Osclass automatically removes old or stale files from the optimization folder once a week to maintain cleanliness and ensure fresh merges.
  • Manual Cleanup: A button is provided to clear out the optimization folder immediately if you want to refresh or test new merges without waiting for the scheduled task.
  • Folder Size: Displays the current size of the optimization folder. If this grows large, it might be time for a manual cleanup.

After adjusting these settings, click Save changes. Always test key pages (e.g., item publish/edit) to ensure no style or script dependencies are broken by merging or minification. If you encounter layout or functional issues, consider using the exclude options.