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편집 파일: settings_media.tpl.php
<?php namespace LiteSpeed; defined('WPINC') || exit; $placeholder_summary = Placeholder::get_summary(); $closest_server = Cloud::get_summary('server.' . Cloud::SVC_LQIP); $lqip_queue = $this->load_queue('lqip'); ?> <h3 class="litespeed-title-short"> <?php echo __('Media Settings', 'litespeed-cache'); ?> <?php Doc::learn_more('https://docs.litespeedtech.com/lscache/lscwp/pageopt/#media-settings-tab'); ?> </h3> <table class="wp-list-table striped litespeed-table"> <tbody> <tr> <th> <?php $id = Base::O_MEDIA_PRELOAD_FEATURED; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <div class="litespeed-desc"> <?php echo __('Load a post\'s Featured Image first, before the page begins to render. Leads to performance improvements and minimizes the risk of render blocking by Featured Images.', 'litespeed-cache'); ?> <?php Doc::learn_more('https://docs.litespeedtech.com/lscache/lscwp/pageopt/#preload-featured-image'); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_LAZY; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <div class="litespeed-desc"> <?php echo __('Load images only when they enter the viewport.', 'litespeed-cache'); ?> <?php echo __('This can improve page loading time by reducing initial HTTP requests.', 'litespeed-cache'); ?> <br /> <font class="litespeed-success"> 💡 <a href="https://docs.litespeedtech.com/lscache/lscwp/pageopt/#lazy-load-images" target="_blank"><?php echo __('Adding Style to Your Lazy-Loaded Images', 'litespeed-cache'); ?></a> </font> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_LAZY_PLACEHOLDER; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_input($id, 'litespeed-input-long'); ?> <div class="litespeed-desc"> <?php echo __('Specify a base64 image to be used as a simple placeholder while images finish loading.', 'litespeed-cache'); ?> <br /><?php echo sprintf(__('This can be predefined in %2$s as well using constant %1$s, with this setting taking priority.', 'litespeed-cache'), '<code>LITESPEED_PLACEHOLDER</code>', '<code>wp-config.php</code>'); ?> <br /><?php echo sprintf(__('By default a gray image placeholder %s will be used.', 'litespeed-cache'), '<code>data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=</code>'); ?> <br /><?php echo sprintf(__('For example, %s can be used for a transparent placeholder.', 'litespeed-cache'), '<code>data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7</code>'); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_PLACEHOLDER_RESP; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <?php Doc::maybe_on_by_gm($id); ?> <div class="litespeed-desc"> <?php echo __('Responsive image placeholders can help to reduce layout reshuffle when images are loaded.', 'litespeed-cache'); ?> <?php echo __('This will generate the placeholder with same dimensions as the image if it has the width and height attributes.', 'litespeed-cache'); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_PLACEHOLDER_RESP_SVG; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_input($id, 'litespeed-input-long'); ?> <div class="litespeed-desc"> <?php echo __('Specify an SVG to be used as a placeholder when generating locally.', 'litespeed-cache'); ?> <?php echo __('It will be converted to a base64 SVG placeholder on-the-fly.', 'litespeed-cache'); ?> <br /><?php echo sprintf(__('Variables %s will be replaced with the corresponding image properties.', 'litespeed-cache'), '<code>{width} {height}</code>'); ?> <br /><?php echo sprintf(__('Variables %s will be replaced with the configured background color.', 'litespeed-cache'), '<code>{color}</code>'); ?> <br /><?php $this->recommended($id); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_PLACEHOLDER_RESP_COLOR; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_input($id, null, null, 'color'); ?> <div class="litespeed-desc"> <?php echo __('Specify the responsive placeholder SVG color.', 'litespeed-cache'); ?> <?php $this->recommended($id); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_LQIP; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <?php Doc::maybe_on_by_gm($id); ?> <div class="litespeed-desc"> <?php echo __('Use QUIC.cloud LQIP (Low Quality Image Placeholder) generator service for responsive image previews while loading.', 'litespeed-cache'); ?> <br /><?php echo __('Keep this off to use plain color placeholders.', 'litespeed-cache'); ?> <?php Doc::learn_more('https://docs.litespeedtech.com/lscache/lscwp/pageopt/#lqip-cloud-generator'); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_LQIP_QUAL; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_input($id, 'litespeed-input-short'); ?> <div class="litespeed-desc"> <?php echo __('Specify the quality when generating LQIP.', 'litespeed-cache'); ?> <br /><?php echo __('Larger number will generate higher resolution quality placeholder, but will result in larger files which will increase page size and consume more points.', 'litespeed-cache'); ?> <?php $this->recommended($id); ?> <?php $this->_validate_ttl($id, 1, 20); ?> <br />💡 <?php echo sprintf(__('Changes to this setting do not apply to already-generated LQIPs. To regenerate existing LQIPs, please %s first from the admin bar menu.', 'litespeed-cache'), '<code>' . __('Purge All', 'litespeed-cache') . ' - ' . __('LQIP Cache', 'litespeed-cache') . '</code>'); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_LQIP_MIN_W; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_input($id, 'litespeed-input-short'); ?> x <?php $this->build_input(Base::O_MEDIA_LQIP_MIN_H, 'litespeed-input-short'); ?> <?php echo __('pixels', 'litespeed-cache'); ?> <div class="litespeed-desc"> <?php echo __('LQIP requests will not be sent for images where both width and height are smaller than these dimensions.', 'litespeed-cache'); ?> <?php $this->recommended($id); ?> <?php $this->_validate_ttl($id, 10, 800); ?> <?php $this->_validate_ttl(Base::O_MEDIA_LQIP_MIN_H, 10, 800); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_PLACEHOLDER_RESP_ASYNC; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <div class="litespeed-desc"> <?php echo __('Automatically generate LQIP in the background via a cron-based queue.', 'litespeed-cache'); ?> <?php echo sprintf( __('If set to %1$s, before the placeholder is localized, the %2$s configuration will be used.', 'litespeed-cache'), '<code>' . __('ON', 'litespeed-cache') . '</code>', '<code>' . Lang::title(Base::O_MEDIA_PLACEHOLDER_RESP_SVG) . '</code>' ); ?> <?php echo sprintf(__('If set to %s this is done in the foreground, which may slow down page load.', 'litespeed-cache'), '<code>' . __('OFF', 'litespeed-cache') . '</code>'); ?> <?php Doc::learn_more('https://docs.litespeedtech.com/lscache/lscwp/pageopt/#generate-lqip-in-background'); ?> </div> <div class="litespeed-desc"> <?php if ($placeholder_summary) : ?> <?php if (!empty($placeholder_summary['last_request'])) : ?> <p> <?php echo __('Last generated', 'litespeed-cache') . ': <code>' . Utility::readable_time($placeholder_summary['last_request']) . '</code>'; ?> </p> <?php endif; ?> <?php endif; ?> <?php if ($closest_server) : ?> <a class="litespeed-redetect" href="<?php echo Utility::build_url(Router::ACTION_CLOUD, Cloud::TYPE_REDETECT_CLOUD, false, null, array('svc' => Cloud::SVC_LQIP)); ?>" data-balloon-pos="up" data-balloon-break aria-label='<?php echo sprintf(__('Current closest Cloud server is %s. Click to redetect.', 'litespeed-cache'), $closest_server); ?>' data-litespeed-cfm="<?php echo __('Are you sure you want to redetect the closest cloud server for this service?', 'litespeed-cache'); ?>"><i class='litespeed-quic-icon'></i> <?php echo __('Redetect', 'litespeed-cache'); ?></a> <?php endif; ?> <?php if (!empty($lqip_queue)) : ?> <div class="litespeed-callout notice notice-warning inline"> <h4> <?php echo __('Size list in queue waiting for cron', 'litespeed-cache'); ?> ( <?php echo count($lqip_queue); ?> ) <a href="<?php echo Utility::build_url(Router::ACTION_PLACEHOLDER, Placeholder::TYPE_CLEAR_Q); ?>" class="button litespeed-btn-warning litespeed-right">Clear</a> </h4> <p> <?php $i = 0; foreach ($lqip_queue as $k => $v) : ?> <?php if ($i++ > 20) : ?> <?php echo '...'; ?> <?php break; ?> <?php endif; ?> <?php echo $v; ?> <br /> <?php endforeach; ?> </p> </div> <a href="<?php echo Utility::build_url(Router::ACTION_PLACEHOLDER, Placeholder::TYPE_GENERATE); ?>" class="button litespeed-btn-success"> <?php echo __('Run Queue Manually', 'litespeed-cache'); ?> </a> <?php Doc::queue_issues(); ?> <?php endif; ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_IFRAME_LAZY; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <div class="litespeed-desc"> <?php echo __('Load iframes only when they enter the viewport.', 'litespeed-cache'); ?> <?php echo __('This can improve page loading time by reducing initial HTTP requests.', 'litespeed-cache'); ?> </div> </td> </tr> <tr> <th> <?php $id = Base::O_MEDIA_ADD_MISSING_SIZES; ?> <?php $this->title($id); ?> </th> <td> <?php $this->build_switch($id); ?> <div class="litespeed-desc"> <?php echo __('Set an explicit width and height on image elements to reduce layout shifts and improve CLS (a Core Web Vitals metric).', 'litespeed-cache'); ?> <?php Doc::learn_more('https://web.dev/optimize-cls/#images-without-dimensions'); ?> <br /> <font class="litespeed-warning litespeed-left10"> ⚠️ <?php echo __('Notice', 'litespeed-cache'); ?>: <?php echo sprintf(__('%s must be turned ON for this setting to work.', 'litespeed-cache'), '<code>' . Lang::title(Base::O_MEDIA_LAZY) . '</code>'); ?> </font> <br /> <font class="litespeed-success"> <?php echo __('API', 'litespeed-cache'); ?>: <?php echo sprintf(__('Use %1$s to bypass remote image dimension check when %2$s is ON.', 'litespeed-cache'), '<code>add_filter( "litespeed_media_ignore_remote_missing_sizes", "__return_true" );</code>', '<code>' . Lang::title(Base::O_MEDIA_ADD_MISSING_SIZES) . '</code>'); ?> </font> </div> </td> </tr> </tbody> </table>