Set lazy loading for iframe.

omeka · Apr 8, 2024 · 2857ce7 · 2857ce7
1 parent ae7af69
commit 2857ce7
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/application/src/Media/Renderer/Youtube.php b/application/src/Media/Renderer/Youtube.php
@@ -36,7 +36,7 @@ public function render(PhpRenderer $view, MediaRepresentation $media,
         }
         $url->setQuery($query);
         $embed = sprintf(
-            '<iframe width="%s" height="%s" src="%s" frameborder="0"%s></iframe>',
+            '<iframe loading="lazy" width="%s" height="%s" src="%s" frameborder="0"%s></iframe>',
             $view->escapeHtml($options['width']),
             $view->escapeHtml($options['height']),
             $view->escapeHtml($url),

diff --git a/application/src/View/Helper/IiifViewer.php b/application/src/View/Helper/IiifViewer.php
@@ -23,6 +23,6 @@ public function __invoke(array $query, array $options = [])
         $width = $options['width'] ?? '100%';
         $height = $options['height'] ?? '700px';
         $src = $view->url('iiif-viewer', [], ['force_canonical' => true, 'query' => $query]);
-        return sprintf('<iframe style="width: %s; height: %s;" src="%s"></iframe>', $width, $height, $view->escapeHtml($src));
+        return sprintf('<iframe loading="lazy" style="width: %s; height: %s;" src="%s"></iframe>', $width, $height, $view->escapeHtml($src));
     }
 }