The plugin is currently enableddisabled">disabled. If an option is disabled it means that either your current installation is not compatible or software installation is required.

_config_admin->get_boolean('common.visible_by_master_only') || (is_super_admin() && (!w3_force_master() || is_network_admin()))): ?>
postbox_header('General', '', 'general'); ?>
Preview mode: nonce_field('w3tc'); ?> _config->is_preview()): ?> button_link('Preview', w3_get_home_url() . '/?w3tc_preview=1', true); ?> button_link('Deploy', wp_nonce_url(sprintf('admin.php?page=%s&w3tc_preview_deploy', $this->_page), 'w3tc') ); ?>
Use preview mode to test configuration scenarios prior to releasing them (deploy) on the actual site. Preview mode remains active even after deploying settings until the feature is disabled.

nonce_field('w3tc'); ?>

postbox_footer(); ?> postbox_header('Page Cache', '', 'page_cache'); ?>

Enable page caching to decrease the response time of the site.

is_network_and_master()): ?>
Page cache: checkbox('pgcache.enabled'); ?> Enable
Caching pages will reduce the response time of your site and increase the scale of your web server.
Page cache method:
Network policy: checkbox_admin('pgcache.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> disabled="disabled" class="button" />

postbox_footer(); ?> postbox_header('Minify', '', 'minify'); ?>

Reduce load time by decreasing the size and number of CSS and JS files. Automatically remove unncessary data from CSS, JS, feed, page and post HTML.

is_network_and_master()): ?>
Minify: checkbox('minify.enabled', $this->_config->get_boolean('cloudflare.enabled') && $cloudflare_minify>0); ?> Enable _config->get_boolean('cloudflare.enabled') && $cloudflare_minify>0): ?>
Minify is disabled because CloudFlare minification is enabled.
Minification can decrease file size of HTML, CSS, JS and feeds respectively by ~10% on average.
Minify mode:
Select manual mode to use fields on the minify settings tab to specify files to be minified, otherwise files will be minified automatically.
Minify cache method:
HTML minifier:
JS minifier:
CSS minifier:
Network policy: checkbox_admin('minify.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> disabled="disabled" class="button" />

postbox_footer(); ?> postbox_header('Database Cache', '', 'database_cache'); ?>

Enable database caching to reduce post, page and feed creation time.

is_network_and_master()): ?> is_network_and_master()): ?>
Database Cache: checkbox('dbcache.enabled') ?> Enable
Caching database objects decreases the response time of your site. Best used if object caching is not possible.
Database Cache Method:
Network policy: checkbox_admin('dbcache.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> disabled="disabled" class="button" />

postbox_footer(); ?> postbox_header('Object Cache', '', 'object_cache'); ?>

Enable object caching to further reduce execution time for common operations.

is_network_and_master()): ?>
Object Cache: checkbox('objectcache.enabled') ?> Enable
Object caching greatly increases performance for highly dynamic sites that use the Object Cache API.
Object Cache Method:
Network policy: checkbox_admin('objectcache.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> disabled="disabled" class="button" />

postbox_footer(); ?> postbox_header('Browser Cache', '', 'browser_cache'); ?>

Reduce server load and decrease response time by using the cache available in site visitor's web browser.

is_network_and_master()): ?>
Browser Cache: checkbox('browsercache.enabled') ?> Enable
Enable HTTP compression and add headers to reduce server load and decrease file load time.
Network policy: checkbox_admin('browsercache.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?>

postbox_footer(); ?> postbox_header('CDN', '', 'cdn'); ?>

Host static files with your content delivery network provider to reduce page load time.

is_network_and_master()): ?>
CDN: checkbox('cdn.enabled'); ?> Enable
Theme files, media library attachments, CSS, JS files etc will appear to load instantly for site visitors.
CDN Type:
Select the CDN type you wish to use.
Network policy: checkbox_admin('cdn.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> _config->get_string('cdn.engine'))): ?> disabled="disabled" class="button {nonce: ''}" />

postbox_footer(); ?> postbox_header('Reverse Proxy', '', 'varnish'); ?>

Purge policies are set on the Page Cache settings page.

is_network_and_master()): ?>
checkbox('varnish.enabled'); ?> Enable varnish cache purging

Specify the IP addresses of your varnish instances above. The VCL's ACL must allow this request.
Network policy: checkbox_admin('varnish.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> disabled="disabled" class="button" />

postbox_footer(); ?> postbox_header('Amazon SNS', '', 'amazon_sns'); ?> _config->get_string('cluster.messagebus.sns.topic_arn') != ''): ?>


Specify the Amazon SNS service endpoint hostname. If empty, then default "sns.us-east-1.amazonaws.com" will be used.

Specify the API Key.

Specify the API secret.
_config->get_string('cluster.messagebus.sns.topic_arn')); ?>

Subscribe to the SNS topic.

nonce_field('w3tc'); ?>

postbox_footer(); ?> postbox_header('Network Performance & Security powered by CloudFlare', '', 'cloudflare'); ?>

CloudFlare protects and accelerates websites. Sign up now for free to get started, or if you have an account simply log in to obtain your API key from the account page to enter it below. Contact the CloudFlare support team with any questions.

is_network_and_master() && !w3_force_master()): ?>
CloudFlare: checkbox('cloudflare.enabled'); ?> Enable
sealing_disabled('cloudflare'); ?> value="_config->get_string('cloudflare.email')); ?>" size="60" />
sealing_disabled('cloudflare'); ?> value="_config->get_string('cloudflare.key')); ?>" size="60" /> (find it here)
Domain: sealing_disabled('cloudflare'); ?> value="_config->get_string('cloudflare.zone', w3_get_host())); ?>" size="40" />
Security level:
Rocket Loader:
Minification:
Development mode: Will automatically turn off at
Network policy: checkbox_admin('cloudflare.configuration_sealed'); ?> Apply the settings above to the entire network.

nonce_field('w3tc'); ?> disabled="disabled" />

postbox_footer(); ?> postbox_header(__('Monitoring', 'w3-total-cache'), '', 'monitoring')?>

' . __('Sign up for a (free) account', 'w3-total-cache') . '' , 'New Relic') ?>

_config->get_boolean('newrelic.enabled') && is_array($new_relic_running)):?>

is_master() && '' == $this->_config->get_string('newrelic.api_key')): ?>

is_master()): ?> is_network_and_master()): ?>
checkbox('newrelic.enabled', false, '', false); ?>
is_master() || !$this->_config->get_boolean('newrelic.use_network_wide_id')): ?>


_config->get_boolean('newrelic.use_network_wide_id') && !$this->is_master()) ?>>
is_master() || !$this->_config->get_boolean('newrelic.use_network_wide_id')): ?>

checkbox('newrelic.use_network_wide_id'); ?>
checkbox_admin('newrelic.configuration_sealed', $this->_config->get_boolean('newrelic.use_network_wide_id')); ?>

nonce_field('w3tc'); ?>

postbox_footer(); ?> postbox_header('Miscellaneous', '', 'miscellaneous'); ?> is_network_and_master()): ?>

Display Google Page Speed results on the WordPress dashboard.

To acquire an API key, visit the APIs Console. Go to the Project Home tab, activate the Page Speed Online API, and accept the Terms of Service. Then go to the API Access tab. The API key is in the Simple API Access section.
checkbox('common.force_master') ?> Use single network configuration file for all sites.
Only one configuration file for whole network will be created and used. Recommended if all sites have the same configuration.
checkbox_admin('common.visible_by_master_only') ?> Hide performance settings
Prevent sites from independently managing their performance settings.
Nginx server configuration file path
If empty the default path will be used..

Notify of server configuration errors, if this option is disabled, the server configuration for active settings can be found on the install tab.
disabled="disabled" />
Not recommended for NFS systems.
disabled="disabled" />
Try this option if your hosting environment uses a network based file system for a possible performance improvement.

nonce_field('w3tc'); ?>

postbox_footer(); ?> postbox_header('Debug', '', 'debug'); ?>

Detailed information about each cache will be appended in (publicly available) HTML comments in the page's source code. Performance in this mode will not be optimal, use sparingly and disable when not in use.

Debug Mode: checkbox_debug('pgcache.debug') ?> Page Cache
checkbox_debug('minify.debug') ?> Minify
checkbox_debug('dbcache.debug') ?> Database Cache
checkbox_debug('objectcache.debug') ?> Object Cache
checkbox_debug('fragmentcache.debug') ?> Fragment Cache
checkbox_debug('cdn.debug') ?> CDN
checkbox_debug('varnish.debug') ?> Reverse Proxy
checkbox_debug('cluster.messagebus.debug') ?> Amazon SNS
If selected, detailed caching information will be appear at the end of each page in a HTML comment. View a page's source code to review.

nonce_field('w3tc'); ?>

postbox_footer(); ?>
postbox_header('Import / Export Settings', '', 'settings'); ?> nonce_field('w3tc'); ?>
Import configuration:
Upload and replace the active settings file.
Export configuration:
Download the active settings file.
Reset configuration:
Revert all settings to the defaults. Any settings staged in preview mode will not be modified.
postbox_footer(); ?>