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SG Optimizer

作者: SiteGround

説明

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:

設定

For detailed information on our plugin and how it works, please check out our SG Optimizer Tutorial.

SuperCacher Settings

In this tab, you can configure your Dynamic Caching and Memcached. Make sure you’ve enabled them from your cPanel before using the plugin. You can enable/disable the automatic cache purge, exclude URLs from the cache and test your pages if they are properly cached.

Environment Optimization

Here, you can force HTTPS for your site, switch between different PHP Versions (compatibility check available), and enable or disable Gzip Compression and Borwser Caching rules for your site.

Frontend Optimization

In this tab, you can enable or disable Minification of your HTML, JS and CSS resources, remove the Emoji support and remove the query strings from your static resources.

Image Optimization

Here, you can enable or disable optimization for your newly uploaded images, bulk optimize your old ones and enable lazy loading for your site images.

Plugin Compatibility

If your plugin does not trigger standard WordPress hooks or you need us to purge the cache, you can use this public function in your code:

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

Preferrably, you can pass an URL to the function to clear the cache just for it instead of purging the entire cache. For example:

if (function_exists('sg_cachepress_purge_cache')) {
    sg_cachepress_purge_cache('https://yoursite.com/pluginpage');
}

You can exclude styles from being combined and minified using the filters we’ve designed for that purpose. Here’s an example of the code, you can add to your functions.php file:

add_filter( 'sgo_css_combine_exclude', 'css_combine_exclude' );
function css_combine_exclude( $exclude_list ) {
    // Add the style handle to exclude list.
    $exclude_list[] = 'style-handle';
    $exclude_list[] = 'style-handle-2';

    return $exclude_list;
}

add_filter( 'sgo_css_minify_exclude', 'css_minify_exclude' );
function css_minify_exclude( $exclude_list ) {
    // Add the style handle to exclude list.
    $exclude_list[] = 'style-handle';
    $exclude_list[] = 'style-handle-2';

    return $exclude_list;
}

You can exclude script from being minified using the filter we’ve designed for that purpose. Here’s an example of the code, you can add to your functions.php file:

add_filter( 'sgo_js_minify_exclude', 'js_minify_exclude' );
function js_minify_exclude( $exclude_list ) {
    $exclude_list[] = 'script-handle';
    $exclude_list[] = 'script-handle-2';

    return $exclude_list;
}

You can exclude script from being loaded asynchronous using the filter we’ve designed for that purpose. Here’s an example of the code, you can add to your functions.php file:

add_filter( 'sgo_js_async_exclude', 'js_async_exclude' );
function js_async_exclude( $exclude_list ) {
    $exclude_list[] = 'script-handle';
    $exclude_list[] = 'script-handle-2';

    return $exclude_list;
}

WP-CLI Support

In version 5.0 we’ve added full WP-CLI support for all plugin options and functionalities.

  • wp sg purge (url) – purges the entire cache or if URL is passed
  • wp sg memcached enable|disable – enables or disables Memcached
  • wp sg forcehttps enable|disable – enables or disables HTTPS for your site
  • wp sg phpver check (–version=) – checks your site for compatibility with PHP 7.1 or the version you specify
  • wp sg optimize – enables or disables different optimization options for your site:
  • wp sg optimize html enable|disable – enables or disables HTML minification
  • wp sg optimize js enable|disable – enables or disables JS minification
  • wp sg optimize css enable|disable – enables or disables CSS minification
  • wp sg optimize querystring enable|disable – enables or disables query strings removal
  • wp sg optimize emojis enable|disable – enables or disables stripping of the Emoji scripts
  • wp sg optimize images enable|disable – enables or disables New image optimization
  • wp sg optimize lazyload enable|disable – enables or disables Lazy loading of images
  • wp sg optimize gzip enable|disable – enables or disables Gzip compression for your site
  • wp sg optimize browsercache enable|disable – enables or disables Browser caching rules

要件

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

  • SiteGround account
  • WordPress 4.7
  • PHP 5.5
  • If you’re not hosted with SiteGround this plugin WILL NOT WORK because it relies on a specific server configuration

Our plugin uses a cookie in order to function properly. It does not store personal data and is used solely for the needs of our caching system.

スクリーンショット

  • The Super Cacher Settings tab handles your Dynamic caching and Memcached. Here, you can exclude URls from the cache, test your site and purge the Dynamic caching manually.
  • In the Environment Optimization tab, you can force HTTPS for your site, switch PHP versions and enable Gzip and Browser Caching rules.
  • The Frontend Optimization tab allows you to Minify HTML, CSS & JS, as well as to remove query strings from your static resources and disable the Emoji support.
  • The Image Optimization tab allows you to optimize your Media Library images, aswell as adds Lazy Loading functionality for your site.
  • Multisite Only! In the Global Settings tab, you can configure all options that are global for your network.
  • Multisite Only! In the Per Site Defaults tab, you can configure how the new sites, added to your network will be setup.

インストール

Automatic Installation

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

手動インストール

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

評価

Woocommerce images doesn’t load

After 5.1.0 update woocommerce products images doesn't load at all if the lazy load for product images is activated. ***UPDATE*** The problem is fixed. Thanks for the prompt support!

Amazing plug-in that could definitely be improved.

The SG Optimizer is definitely a must have if you are using SiteGround a host. It does speed up your site significantly and provides you with toggles that you would otherwise have to go into cPanel to change. However, in terms of a cache and optimization plug-in it is pretty barebones, taking a WYSIWYG approach. I wish they offered an Advanced setting. Right now I am using the Swift Performance Lite plug-in along side this (yes I know using 2 cache plug-ins is setting myself up for disaster) to fill in the gaps, fixing some speed and optimization issues that i've found.

Superschnell

Ich hoste meine Website bei Siteground und meine Seite läd superschnell mit dem Plugin. Ich würde Siteground jederzeit weiterempfehlen.
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貢献者と開発者

SG Optimizer はオープンソースソフトウェアです。以下の人々がこのプラグインに貢献しています。

貢献者

“SG Optimizer” は6ロケールに翻訳されています。 翻訳者のみなさん、翻訳へのご協力ありがとうございます。

“SG Optimizer” をあなたの言語に翻訳しましょう。

開発に興味がありますか ?

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変更履歴

Version 5.1.0

  • Added CSS Combination Functionality
  • Added Async Load of Render-Blocking JS
  • Added WooCommerce Support for LazyLoad
  • Added Filter to Exclude Styles from CSS Combination
  • Improved Lazy Load Functionality on Mobile Devices
  • Fixed Issue with WP Rocket’s .htaccess rules and GZIP
  • Fixed Issue with Query String Removal Script in the Admin Section
  • Fixed Compatibility Issues with 3rd Party Plugins and Lazy Load
  • Fixed Compatibility Issues with Woo PDF Catalog Plugin and HTML Minification
  • Improved Memcached Reliability
  • Improved Lazy Load for Responsive Images

Version 5.0.13

  • Modified HTML minification to keep comments
  • Interface Improvements
  • Better input validation and sanitation for PHP Version check
  • Improved security

Version 5.0.12

  • Better cache purge for multisite
  • Surpress dynamic cache notices for localhost sites

Version 5.0.11

  • Improved handling of third party plugins causing issues with the compatibility checker functionality
  • Optimized WP-CLI commands for better performance
  • Better notice handling for Multisite and conflicting plugins

Version 5.0.10

  • Fixed issue with Mythemeshop themes
  • Fixed issues with exclude URL on update
  • Fixed issues with exclude URL on update
  • Exclude Lazy Load from AMP pages
  • Exclude Lazy Load from Backend pages
  • Fixed WPML problems
  • Fixed Beaver Builder issues
  • Fixed Spanish translations
  • Fixed incompatibility with JCH Optimize

Version 5.0.9

  • Fixed woocommerce bugs
  • Improved memcached flush
  • Improved https force

Version 5.0.8

  • Better .htaccess handling when disabling and enabling Browser Cache and Gzip
  • Improved image optimization handling
  • Added option to stop the image optimization and resume it later
  • Fixed bug with memcached notifications
  • Fixed bug with conflicting plugin notices for non-admins
  • Fixed bug when user accesses their site through IP/~cPaneluser
  • Fixed bug with labels for HTML, CSS & JS Minification
  • SEO Improvements in the Lazy Load functionality

Version 5.0.7

  • Fixed bug with notifications removal
  • Fixed bug with modifying wrong .htaccess file for installations in subdirectory
  • Flush redux cache when updating to new version
  • Improved check for existing SSL rules in your .htaccess file
  • Added check and removal of duplicate Gzip rules in your .htaccess file
  • Added check and removal of duplicate Browser caching rules in your .htaccess file

Version 5.0.6

  • Memcache issues fixed. Unique WP_CACHE_KEY_SALT is generated each time you enable it on your site.
  • Better status update handling
  • Added option to start checks even if the default WP Cron is disabled (in case you use real cronjob)

Version 5.0.5

  • Fixed Compatibility Checker progress issues.
  • Fixed images optimization endless loops.
  • Changed php version regex to handle rules from other plugins.

Version 5.0.4

  • Fixed CSS minification issues.
  • Add option to re-optimize images.
  • Allow users to hide notices.

Version 5.0.0

  • Complete plugin refactoring
  • Frontend optimiztions added
  • Environment optimizations added
  • Images Optimizatoins adder
  • Full WP-CLI Support
  • Better Multisite Support
  • Better Interface

Version 4.0.7

  • Fixed bug in the force SSL functionality in certain cases for MS
  • Added information about the cookie our plugin uses in the readme file

Version 4.0.6

  • バグ修正
  • Better https enforcement in MS environment

Version 4.0.5

  • Removed stopping of WP Rocket cache

Version 4.0.4

  • Minor bug fixes

Version 4.0.3

  • Switching recommended PHP Version to 7.1

Version 4.0.2

  • WPML and Memcache / Memcached bug fix

Version 4.0.1

  • Minor bug fixes
  • UK locale issue fixed

Version 4.0.0

  • Added proper Multisite support
  • Quick optimizations – Gzip and Browser cache config settings for the Network Admin
  • Network admin can purge the cache per site
  • Network admin can disallow Cache and HTTPS configuration pages per site
  • WPML support when Memcached is enabled
  • Cache is being purged per site and not for the entire network
  • Multiple performance & interface improvements
  • Security fixes against, additional access checks introduced
  • Fixed minor cosmetic errors in the interface

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
  • バグ修正

Version 2.3.2

  • Fixed bug with Memcached cache purge

Version 2.3.1

  • Interface improventes
  • Internationalization support added
  • Spanish translation added by SiteGround.es
  • Bulgarian translation added

Version 2.3.0

  • Memcached support added
  • Better PHP7 compatibility

Version 2.2.11

  • Improved compatibility with WP Rocket
  • バグ修正

Version 2.2.10

  • Revamped notices work
  • バグ修正

Version 2.2.9

  • バグ修正

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.

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