diff --git a/src/js/h5p-standalone.class.js b/src/js/h5p-standalone.class.js
index 425196ad..bcb5bfdb 100644
--- a/src/js/h5p-standalone.class.js
+++ b/src/js/h5p-standalone.class.js
@@ -64,7 +64,7 @@ export default class H5PStandalone {
       contentOptions.exportUrl = urlPath(options.downloadUrl);
     }
 
-    if (options.metadata) {
+    if (options.metadata) { // exposing content['id'].metadata key to allow overrides
       contentOptions.metadata = options.metadata;
     }
 
@@ -173,6 +173,7 @@ export default class H5PStandalone {
       scripts: scripts,
       displayOptions: contentOptions.displayOptions,
       contentUrl: this.contentUrl,
+      metadata: {}
     };
 
     for (const key in contentOptions) {
@@ -181,6 +182,13 @@ export default class H5PStandalone {
       }
     }
 
+    // add missing content metadata from h5p.json
+    for (const key in this.h5p) {
+      if (H5PIntegration.contents[`cid-${this.id}`]?.['metadata']?.[key] === undefined) {
+        H5PIntegration.contents[`cid-${this.id}`]['metadata'][key] = this.h5p[key]
+      }
+    }
+
     if (!generalIntegrationOptions.preventH5PInit) {
       H5P.init();
     }
@@ -325,13 +333,6 @@ export default class H5PStandalone {
       Array.prototype.push.apply(scripts, JSDependencies[dependencyName]);
     });
 
-    if (this.mainLibrary.preloadedCss) {
-      Array.prototype.push.apply(styles, this.mainLibrary.preloadedCss.map(style => `${this.librariesPath}/${this.mainLibraryPath}/${style.path}`));
-    }
-    if (this.mainLibrary.preloadedJs) {
-      Array.prototype.push.apply(scripts, this.mainLibrary.preloadedJs.map(script => `${this.librariesPath}/${this.mainLibraryPath}/${script.path}`));
-    }
-
     // Append custom styles and scripts at the end to override original values
     styles = styles.concat(customOptions.customCss);
     scripts = scripts.concat(customOptions.customJs);