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=== SG Optimizer ===
Contributors: Hristo Sg, danielkanchev, ivanyordanov, siteground
Tags: nginx, caching, speed, memcache, memcached, performance, siteground, nginx, supercacher
Requires at least: 3.0.1
Tested up to: 4.7
Stable tag: 1.0
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html

The SG Optimizer is designed to link WordPress with all SiteGround Performance services.

== Description ==

This plugin is designed to link WordPress with the SiteGround Performance services. It WILL NOT WORK on another hosting provider. The SG Optimizer plugin has few different parts handling speciffic performance optimizations:

= SuperCacher Config =

The main functionality of SuperCacher part of the plugin is to purge your dynamic cache whenever your content updates. For example, when you create a new post, someone comments your articles, etc. In addition to that, if you have a working Memcached service on your server, the plugin will allow you to easily configure and enable WordPress to use it.

There is public Purge function - sg_cachepress_purge_cache, which can be used by other plugins/themes. Example usage:

if (function_exists('sg_cachepress_purge_cache')) {
sg_cachepress_purge_cache();
}

WP-CLI command is now available: "wp sg purge" to clear the cache.

= HTTPS Config =

The HTTPS Config allows you to force SSL usage on your site. It will redirect your entire traffic over secure connections and will fix mixed content issues. A side benefit of switching on the HTTPS is the automatic use of the HTTP2 protocol and its performance benefits. 

= PHP Config =

This tool will allow you to check if your website is compatible with the recommended by SiteGround PHP version(7.0) and switch to it with a click. It is highly advisable to keep your WordPress running on the recommended PHP for best security and performance.

= Requirements =

In order to work correctly, this plugin requires that your server meets the following criteria:

* PHP 5.5
* SiteGround account
* If you're not hosted with SiteGround this plugin WILL NOT WORK  because it relies on a specific server configuration

== Installation ==

= Automatic Installation =

1. Go to Plugins -> Add New
1. Search for "SG CachePress"
1. Click on the Install button under the SG CachePress plugin
1. Once the plugin is installed, click on the Activate plugin link

= Manual Installation =

1. Login to the WordPress admin panel and go to Plugins -> Add New
1. Select the 'Upload' menu 
1. Click the 'Choose File' button and point your browser to the SGCachePress.zip file you've downloaded
1. Click the 'Install Now' button
1. Go to Plugins -> Installed Plugins and click the 'Activate' link under the WordPress SG CachePress listing


== Configuration ==

= Dynamic Cache Settings =

* Dynamic Cache ON/OFF - enable or disable the SiteGround Dynamic caching system
* AutoFlush Cache ON/OFF - automatically flush the Dynamic cache when you edit your content
* Purge Cache - Manually purge all cached data from the dynamic cache

= Exclude URLs From Dynamic Caching = 

This field allows you to exclude URLs from the cache. This means that if you need certain parts of your site to be completely dynamic, you need to add them into this list. Type in the last part of the URL that you want to be excluded. For example, if you type in 'url', then '/path/to/url/' will be excluded but '/path/to/' and '/path/to/url/else/' won't.
		
= Memcached Settings =
* Enable Memcached - Store in the server's memory (using Memcached) frequently executed queries to the database for a faster access on a later use.

= HTTPS Configuration =
Force HTTPS on/off -- enable or disable the the https redirect for your whole site and the rewriting of the resource links from http to https.

== Changelog ==

= Version 3.3.3 =
* Fixed minor interface issues

= Version 3.3.2 =
* Fixed bug with disabling the Force HTTPS option

= Version 3.3.1 =
* Fixed cache purge issue when CloudFlare is enabled 
* Added logging of failed attempts in XMLRPC API.

= Version 3.3.0 =
* Improved public purge function for theme and plugin developers
* Added WP-CLI command for cache purge - wp sg purge

= Version 3.2.4 =
* Updated Memcache.tpl
* Fixed a link in the PHP Check interface

= Version 3.2.3 =
* Improved WP-CLI compatibility

= Version 3.2.1 =
* Improved cron fallback, added error message if the WP CRON is disabled

= Version 3.2.0 =
* Adding PHP 7.0 Compatibility check & PHP Version switch

= Version 3.0.5 =
* Improved Certficiate check

= Version 3.0.4 =
* Fixed bug with unwrittable .htaccess

= Version 3.0.3 =
* Fixed bug in adding CSS files

= Version 3.0.2 =
* User-agent added to the SSL availability check

= Version 3.0.1 =
* PHP Compatibility fixes

= Version 3.0.0 =

* Plugin renamed to SG Optimizer
* Interface split into multiple screens
* HTTPS Force functionality added which will reconfigure WordPress, make an .htaccess redirect to force all the traffic through HTTPS and fixes any potential insecure content issues
* Plugin prepared for PHP version compatibility checker and changer tool

= Version 2.3.11 =
* Added public purge function
* Memcached bug fixes

= Version 2.3.10 =
* Improved Memcached performance
* Memcached bug fixes

= Version 2.3.9 =
* Improved WordPress 4.6 compatibilitty

= Version 2.3.8 =
* Improved compatibility with SiteGround Staging System

= Version 2.3.7 =
* Fixed PHP warnings in Object Cache classes

= Version 2.3.6 =
* Minor URL handling bug fixes

= Version 2.3.5 =
* Improved cache testing URL detection

= Version 2.3.4 =
* CSS Bug fixes

= Version 2.3.3 =
* Improved Memcache work
* Interface improvements
* Bug fixes

= Version 2.3.2 =
* Fixed bug with Memcached cache purge

= Version 2.3.1 =
* Interface improventes
* Internationalization support added
* Spanish translation added by <a href="https://www.siteground.es">SiteGround.es</a>
* Bulgarian translation added

= Version 2.3.0 =
* Memcached support added
* Better PHP7 compatibility

= Version 2.2.11 =
* Improved compatibility with WP Rocket
* Bug fixes

= Version 2.2.10 =
* Revamped notices work
* Bug fixes

= Version 2.2.9 =
* Bug fixes

= Version 2.2.8 =
* Bug fixing and improved notification behaviour
* Fixed issues with MS installations

= Version 2.2.7 =
* Added testing box and notification if Dynamic Cache is not enabled in cPanel

= Version 2.2.6 =
* Fixed bug with Memcached causing issues after WP Database update

= Version 2.2.5 =
* Minor system improvements

= Version 2.2.4 =
* Minor system improvements

= Version 2.2.3 =
* Admin bar link visible only for admin users

= Version 2.2.2 =
* Minor bug fixes

= Version 2.2.1 =
* Added Purge SG Cache button
* Redesigned mobile-friendly interface

= Version 2.2.0 =
* Added NGINX support

= Version 2.1.7 =
* Fixed plugin activation bug

= Version 2.1.6 =
* The purge button will now clear the Static cache even if Dynamic cache is not enabled
* Better and more clear button labeling

= Version 2.1.5 =
* Better plugin activation and added to the wordpress.org repo

= Version 2.1.2 =
* Fixed bug that prevents you from enabling Memcached if using a wildcard SSL Certificate

= Version 2.1.1 =
* Cache will flush when scheduled posts become live

= Version 2.1.0 =
* Cache will be purged if WordPress autoupdates

= Version 2.0.3 =
* Minor bug fixes

= Version 2.0.2 =
* 3.8 support added

= Version 2.0.1 =
* Interface improvements
* Minor bug fixes

= Version 2.0 =
* New interface
* Minor bug fixes
* Settings and Purge pages combined into one

= Version 1.2.3 =
* Minor bug fixes
* SiteGround Memcached support added
* URL Exclude from caching list added

= 1.0 =
* Plugin created.