diff --git a/modules/tome_static/src/StaticGenerator.php b/modules/tome_static/src/StaticGenerator.php
index 446f07f9e6f2a2998bbec53bbca0c60afe8c22ce..11d209341d7c428081b3ce0cbaf1969454dff293 100644
--- a/modules/tome_static/src/StaticGenerator.php
+++ b/modules/tome_static/src/StaticGenerator.php
@@ -408,6 +408,40 @@ class StaticGenerator implements StaticGeneratorInterface {
     return $paths;
   }
 
+  /**
+   * Parses a srcset attribute into individual URLs.
+   *
+   * Drupal commonly emits srcset values without a space after each
+   * comma — `/url1 650w,/url2 870w,/url3 1090w` — and the upstream
+   * Tome regex (` [^ ]+(,|$)`) treats the comma as just another
+   * non-space character. The result is that all URLs collapse into
+   * one concatenated garbage path. Split on comma first, then
+   * extract the URL from each candidate, to produce the actual
+   * list of URLs.
+   *
+   * @param string $srcset
+   *   A srcset attribute value.
+   *
+   * @return string[]
+   *   The URLs in the srcset.
+   */
+  protected function parseSrcset(string $srcset): array {
+    $urls = [];
+    foreach (explode(',', $srcset) as $candidate) {
+      $candidate = trim($candidate);
+      if ($candidate === '') {
+        continue;
+      }
+      // Each candidate is "URL [size_descriptor]". The URL is the
+      // first whitespace-separated token.
+      $parts = preg_split('/\s+/', $candidate, 2);
+      if (!empty($parts[0])) {
+        $urls[] = $parts[0];
+      }
+    }
+    return $urls;
+  }
+
   /**
    * Finds and exports assets for the given HTML content.
    *
@@ -433,9 +467,20 @@ class StaticGenerator implements StaticGeneratorInterface {
         $paths[] = $image->getAttribute('poster');
       }
       if ($image->hasAttribute('srcset')) {
-        $srcset = $image->getAttribute('srcset');
-        $sources = explode(' ', preg_replace('/ [^ ]+(,|$)/', '', $srcset));
-        foreach ($sources as $src) {
+        foreach ($this->parseSrcset($image->getAttribute('srcset')) as $src) {
+          $paths[] = $src;
+        }
+      }
+      // Lazy-load conventions: real image URLs live in data-src /
+      // data-srcset with a placeholder in the canonical src. Easy
+      // LQP, Lazysizes, and similar modules all use these. Without
+      // scanning them, image-style derivatives referenced by
+      // lazy-loaded images never enter the static export.
+      if ($image->hasAttribute('data-src')) {
+        $paths[] = $image->getAttribute('data-src');
+      }
+      if ($image->hasAttribute('data-srcset')) {
+        foreach ($this->parseSrcset($image->getAttribute('data-srcset')) as $src) {
           $paths[] = $src;
         }
       }