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=== JCH Optimize === Contributors: codealfa Tags: improve performance, optimize download speed, minify, aggregate, pagespeed, gtmetrix, webpagetest, yslow, minification, css, javascript, html, lazy load, seo, search engine optimization, website optimization, download speed, speed up website, optimize css delivery, render blocking, css sprite, gzip, combine css, combine javascript, cdn, content delivery network, website performance, website speed, fast download, web performance, website analysis, speed up download, minimize http requests, reduce bandwidth, caching, cache, page cache, speed up wordpress, http/2 push Tested up to: 5.1.1 Stable tag: 2.4.2 License: GPLv2 or later License URI: http://www.gnu.org/licenses/gpl-2.0.html This plugin automatically performs several front end optimizations to your site to increase download speed and reduce server load and bandwidth. == Description == Speed up your WordPress site instantly with JCH Optimize! This plugin provides all the front end optimizations you need to optimize your website download speed. Core feature is to automatically combine CSS and javascript files to reduce the number of http requests made by the browser to download your web page. The combined CSS and javascript files can be further optimized by minifying and compressing the file with gzip. Also, the HTML output can be minified for optimized download. These optimizations will reduce server load, bandwidth requirements, and page loading times. = Major Features = * Page Cache * Combine and minify javascript and CSS files * HTML minification. * GZip compress the combined files. * Generate sprite to combine background images. * Ability to exclude files from combining to resolve conflicts This plugin runs on a framework that is tried and proven within the Joomla! community. View the [plugin's page](http://extensions.joomla.org/extensions/extension/core-enhancements/performance/jch-optimize/) on Joomla!'s Extension Directory to see the reviews it has earned and why it has gain so much popularity in that community. There is a [pro version available](https://www.jch-optimize.net/subscribe/levels.html/?tab=wordpress) on the [plugin's website](https://www.jch-optimize.net) with more features to further optimize your website such as: * Load combined javascript file asynchronously * Optimize CSS Delivery to eliminate render blocking * CDN/Cookie-less Domain support * Optimize images * Lazy load images == Installation == Just install from your WordPress "Plugins|Add New" screen. Manual installation is as follows: 1. Upload the zip-file and unzip it in the /wp-content/plugins/ directory 2. Activate the plugin through the 'Plugins' menu in WordPress 3. Go to `Settings -> JCH Optimize` and enable the options you want 4. Use the Automatic Settings (Minimum - Optimum) to configure the plugin. This automatically sets the options in the 'Automatic Settings Groups'. You can then try the other manual options to further configure the plugin and optimize your site. Use the Exclude options to exclude files/plugins/images that don't work so well with the plugin. == Frequently Asked Questions == = How do I know if it's working? = After installing and activating the plugin, combining CSS and javascript files are selected by default so it should start working right away. If you look at your web page and it doesn't look any different that's a good sign...maybe. To confirm if it's working, take a look at the page source. You can do that in most browsers by right clicking on the page and selecting that option. You should see the links to your CSS/Js files removed and replaced by the aggregated file URL in the source that looks like this: `/wp-content/plugins/jch-optimize/assets/wp-content/plugins/nz/30/1/63fccd8dc82e3f5da947573d8ded3bd4.css` = There's no CSS Formatting after enabling the plugin = The combined files are accessed by the browser via a jscss.php file in the `/wp-content/plugins/jch-optimize/assets/` directory. If you're not seeing any formatting on your page it means that the browser is not accessing this file for some reason. View the source of your page and try to access the JCH generated url to the combined file in your browser. You should see an error message that can guide you in fixing the problem. Generally it's a file permission issue so ensure the file at '/wp-content/plugins/jch-optimize/assets/jscss.php` has the same permission setting as your /index.php file (usually 644) and make sure all the folders in this hierarchy have the same permissions as your htdocs or public_html folder(Usually 644). = How do I reverse the change JCH Optimize makes to my website? = Simply deactivate or uninstall the plugin to reverse any changes it has made. The plugin doesn't modify any existing file or code but merely manipulates the HTML before it is sent to the brower. Any apparent persistent change after the plugin is deactivated is due to caching so ensure to flush all your WordPress, third party or browser cache. == Changelog == = 2.4.2 = * Minor bug fixes and improvements * Added option to autosize images in Lazyload [PRO VERSION] * Load CSS file asynchronously using preload attribute instead of javascript in Optimize CSS Delivery [PRO VERSION] * Fixed bug in Optimize Image not working on Safari [PRO VERSION] = 2.4.1 = * Improved compatibility with page caching and third party plugins * Fixed bug in HTML Minifier library * Fixed issue with font not showing correctly on some sites * Fixed bug in Lazy-load feature [PRO VERSION] = 2.4.0 = * Minor bug fixes and improvements * Improved efficieny of caching policy of static assets * Added Http/2 push feature [PRO VERSION] * Added support for srcsets and iframe to Lazyload images feature [PRO VERSION] * Removed font-face from combined CSS file when Optimize CSS Delivery is enabled [PRO VERSION] = 2.3.2 = * Fixed issue with plugin not running on some sites with last version * Added ability to mark and skip images already optimized in subfolders [PRO VERSION] * Fixed issue with autoupdate of PRO version reverting to FREE version [PRO VERSION] = 2.3.1 = * Fixed issue in page cache causing PHP errors = 2.3.0 = * Added page cache feature * Improved support for LiteSpeed Cache * Other minor bug fixes and improvements. = 2.2.3 = * Minor bug fixes and improvement = 2.2.2 = * Improved caching to reduce instances of excess cache. * Fixed issue with xml sitemaps when 'Debug plugin' is enabled. * Fixed issue with deprecating PHP error using the 'each' function. * Added minifier for json * Other bug fixes and improvements. = 2.2.1 = * Fixed bug with exclude settings not being saved = 2.2.0 = * Expired cache flushed daily * Codes added to .htaccess file to gzip compress files * Major improvement to Optimize Image feature handling more images much more efficiently (PRO VERSION) * Various bug fixes and improvement = 2.1.0 = * Ability to exclude files while maintaining original execution order for all Automatic Settings added. * Ability to select static files for combined css and js files added. * Cache lifetime hardcoded to 1 day and setting removed. * 'Exclude javascript dynamically' setting removed. * Ability to select file type for each CDN domain added.(PRO VERSION) * CDN feature will use base element to determine the base url for relative urls.(PRO VERSION) * Automatically exclude images above the fold from Lazy-load feature to avoid css render-blocking issues.(PRO VERSION) * Improvements in the Optimize CSS Delivery feature.(PRO VERSION) * Various bug fixes and improvements. = 2.0.8 = * Fixed bug creating errors in JchOptimizeSettings * Removed some exclusion settings * Fix javascript error in options page * Other minor bug fixes = 2.0.7 = * Fixed conflicts with select plugins that cause JCH Optimize to generate a Fatal Error * Removed cache lifetime setting. Lifetime hardcoded to 1 day * Other minor bug fixes and improvement = 2.0.6 = * Fix issue with the plugin not running on some sites * Now Compatible with Google AMP pages * Added setting to exclude pages from the plugin that don't work well or you don't want optimized = 2.0.5 = * Couple bug fixes from the last version = 2.0.4 = * Improved compatibility with PHP7 * Improved support for Google font files * Fixed issue with script that flushes expired cache daily * Other minor fixes and improvements. = 2.0.3 = * Fixed bug that was causing some javascript errors in some browsers on some sites. = 2.0.2 = * Fixed bug with handling Google font files * Grouped settings related to the combine CSS/javascript feature together to make it more intuitive to configure and added setting to disable/enable this feature * Added feature to add missing height and width attributes to img elements * Fixed bug with lazy-load feature that was affecting other javascript libraries * Other minor bug fixes and improvements = 2.0.1 = * Fixed issue with CSS Optimize library that caused some pages to load slowly = 2.0.0 = * The settings in the backend are rearranged in a more logical and intuitive manner * Support for up to 3 CDN/Cookieless domains and the ability to select the file type to load over CDN * Exclude images from Lazy Load based on the folder (useful if you want to exclude all images from an extension), or by the CSS class defined on the image * Improved compatibility with slideshows and ajax content with the LazyLoad function and also support for non-javascript users (probably some mobile) * Ability to remove files from loading on the page for eg., if you have more than one jQuery libraries or libraries you're not using like Mootools. * Psuedo-cron script that flush expired cache daily to reduce the build up of excess cache * Support for those pesky Google font files that are always blocking on PageSpeed * Option to 'Leverage Browser Cache' for common resource files. * Option to correct permissions of files/folders in plugin. * Added functionality to recursively optimize images in subfolders * Can scale images during optimization if image dimensions are larger than required. * Optimized/resized images will be automatically backed up in a folder. * Developed our own API for optimizing images so we'll no longer be using Kraken.io * Added language translations for Spanish, French, Russian, German, and Hebrew * Other improvements to existing features and various bug fixes. = 1.2.2 = * Fixed issue in validating HTML that prevented the plugin running on some sites. = 1.2.1 = * Fix links to combined file to include scheme and domain for better compatibility with other plugins * Improved code that manipulates urls in the plugins = 1.2.0 = * Fixed bug in Autoloader function that conflicts with other plugins that have classes beginning with 'JCH' * Fixed bug with HTML Minify removing spaces from inside pre elements when it contains other HTML elements * Fixed compatibility issue with plugins using PHP internal buffering eg. CDN Linker, cache plugins, etc. * Will delete plugin options on uninstall * Multisite supported * Fixed issue with Optimize Images not working with open_basedir setting (PRO VERSION) * Now able to automatically update the Pro version when your download id is saved in the plugin (PRO VERSION) = 1.1.4 = * Improved method of accessing HTML for optimization considering levels of buffering * Corrected function used to access home url in backend so that exclude options lists can be populated * Fixed bug in and improved HTML minification library * Fixed bug with Sprite Generator * Fixed bug with CDN/Cookie-less domain feature (PRO VERSION) * Improved Image Optimization feature (PRO VERSION) = 1.1.3 = * Fixed issue with the setting 'Use url rewrite - Yes (Without Options+SynLinks)' not working properly * Fixed issue with combine javascript options sometimes creates javascript errors * Now using Kraken.io API to optimize images (PRO VERSION) = 1.1.2 = * Fixed compatibility issue with XML sitemaps and feeds. * Minor bug fixes = 1.1.1 = * Improved code running in admin section * Add Profiler menu item on Admin Bar to review the times taken for the plugin methods to run. * Keep HTML comments in 'Basic' HTML Minification level. Required for some plugins to work eg. Nextgen gallery. * Saving cache in non-PHP files to make it compatible with WP Engine platform. * Minor bug fixes and improvements. = 1.1.0 = * Added visual indicators to show which Automatic setting is enabled * Added multiselect exclude options so it's easier to find files/plugins to exclude from combining if they cause problems * Bug fixes and improvements in the HTML, CSS, and javascript minification libraries * Added levels of HTML minification = 1.0.2 = * Fixed bug in HMTL Minify library manifested on XHTML templates * Fails gracefully on PHP5.2 = 1.0.1 = * First public release on WordPress plugins repository.