General

_config->get_boolean('pgcache.reject.logged'), true); ?> /> Don't cache pages for logged in users Users that have signed in to WordPress (e.g. administrators) will never view cached pages if enabled.
_config->get_boolean('pgcache.cache.home'), true); ?> /> Cache home page For many blogs this is your most visited page, it is recommended that you cache it.
_config->get_boolean('pgcache.cache.feed'), true); ?> /> Cache feeds: site, categories, tags, comments Even if using a feed proxy service (like FeedBurner), enabling this option is still recommended.
_config->get_string('pgcache.engine') == 'file_pgcache'): ?> disabled="disabled" /> _config->get_boolean('pgcache.cache.query'), true); ?>_config->get_string('pgcache.engine') == 'file_pgcache'): ?> disabled="disabled" /> Cache URIs with query string variables Search result (and similar) pages will be cached if enabled.
_config->get_boolean('pgcache.cache.404'), true); ?> /> Cache 404 (not found) pages Reduce server load by caching 404 pages. The "Do not process 404 errors for static objects with WordPress" Browser Cache option is recommended.

Advanced _config->get_string('pgcache.engine') == 'memcached'): ?>

Memcached hostname:port / IP:port:	Multiple servers may be used and seperated by a comma; e.g. 192.168.1.100:11211, domain.com:22122
Garbage collection interval:	_config->get_string('pgcache.engine') != 'file' && $this->_config->get_string('pgcache.engine') != 'file_pgcache'): ?> disabled="disabled" /> seconds If caching to disk, specify how frequently expired cache data is removed. For busy sites, a lower value is best.
Rejected User Agents:	<?php echo htmlspecialchars(implode("\r\n", $this->_config->get_array('pgcache.reject.ua'))); ?> Never send cache pages for these user agents.
Rejected Cookies:	<?php echo htmlspecialchars(implode("\r\n", $this->_config->get_array('pgcache.reject.cookie'))); ?> Never cache pages that use the specified cookies.
Never cache the following pages:	<?php echo htmlspecialchars(implode("\r\n", $this->_config->get_array('pgcache.reject.uri'))); ?> Always ignore the specified pages / directories.
Cache exception list:	<?php echo htmlspecialchars(implode("\r\n", $this->_config->get_array('pgcache.accept.files'))); ?> Cache the specified pages / directories even if listed in the "never cache the following pages" field.
Specify page headers:	_config->get_string('pgcache.engine') == 'file_pgcache'): ?> disabled="disabled"<?php endif; ?>><?php echo htmlspecialchars(implode("\r\n", $this->_config->get_array('pgcache.cache.headers'))); ?> Specify additional page headers to cache.

Cache Preload

_config->get_boolean('pgcache.prime.enabled'), true); ?> /> Automatically prime the page cache
Update interval:	seconds The number of seconds to wait before creating another set of cached pages.
Pages per interval:	Limit the number of pages to create per batch. Fewer pages may be better for under-powered servers.
Sitemap URL:	A compliant sitemap can be used to specify the pages to maintain in the primed cache. Pages will be cached according to the priorities specified in the XML file. Google XML Sitemaps is recommended for use with this feature.

Varnish

_config->get_boolean('pgcache.varnish.enabled'), true); ?> /> Enable varnish cache purging
Varnish servers:	<?php echo htmlspecialchars(implode("\r\n", $this->_config->get_array('pgcache.varnish.servers'))); ?> Specify the IP addresses of your varnish instances above. Your VCL's ACL must allow this request.

Note(s):

Enable HTTP compression in the "HTML" section on Browser Cache Settings tab. The TTL of page cache files is set via the "Expires header lifetime" field in the "HTML" section on Browser Cache Settings tab.