
Speed Cache 3.1.9 is a Joomla performance extension that adds static page caching, browser caching and resource optimization on top of Joomla's standard cache system. It can group, minify and defer CSS and JavaScript files, preload cached pages and clean cache automatically when content changes. URL-based inclusion and exclusion rules, CDN support and image lazy loading provide additional control over how optimization is applied across the site.
Static page caching reduces the amount of work Joomla has to repeat for each request by serving prepared page output where caching is enabled. Browser caching can also keep suitable site resources locally so returning page views do not need to download the same files again.
Administrators can include or exclude individual URLs and rule-based groups of pages from the cache. Cache behavior can also differ for public and logged-in users, which is useful on sites where some pages contain user-specific content.
Resource optimization can group, minify and defer CSS, JavaScript and font files. Image lazy loading and CDN integration provide additional options for reducing the amount of content that must be loaded immediately from the main web server.
Automatic cache cleaning can run when Joomla content is saved, published, unpublished or removed, while cache preloading prepares pages again after cleanup. This helps keep cached content current without requiring every page to be regenerated by the first visitor.
Info: https://www.joomunited.com/products/speed-cache
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