Phoca Cart is a part of Joomla! system. Such robust system can negatively affect audits on your site. For example audits made by Lighthouse Audits. Joomla! system is composed of many parts like templates, modules, plugins, components, etc. Such parts can load a lot of libraries, some of them can be obsolete and all this can have negative impact on audit results.
See example: Joomla! Templates Directory
This website has the following audit results:
- Accessibility: 100%
- Best Practices: 100%
- SEO: 100%
Following parameters can be set in this plugin:
Enable New jQuery Version - replaces the outdated jQuery library used in Joomla! for newest version
Main function of Phoca Upgrade System plugin is replacing obsolete Bootstrap 2 code with newest Bootstrap code. This is helpful when your template uses Bootstrap 3 or 4 for rendering HTML output but Joomla! 3.x output is still rendered with obsolete Bootstrap 2 library.