SLIDESDOC-710 Improve article headers (Node.js via Java) to increase CTR (batch 1) (#862)

Updated the titles, keywords, and descriptions in 33 articles.
Removed the duplicated article "Object Changed Issue When Adding OleObjectFrame".

Author: andreypotapovaspose

en/nodejs-java/api-reference/_index.md

@@ -3,6 +3,15 @@ title: API Reference
 type: docs
 weight: 50
 url: /nodejs-java/api-reference/
+keywords:
+- API reference
+- PowerPoint
+- OpenDocument
+- presentation
+- Node.js
+- JavaScript
+- Aspose.Slides
+description: "Create, edit, and convert presentations in JavaScript—no PowerPoint needed. Aspose.Slides for Node.js supports PPT, PPTX, and ODP with fast SVG/PDF export."
 ---
 
 {{% alert color="primary" %}} 

en/nodejs-java/developer-guide/3d-presentation/_index.md

@@ -1,8 +1,24 @@
 ---
-title: 3D Presentation
+title: Create 3D Presentations in JavaScript
+linktitle: 3D Presentation
 type: docs
 weight: 232
 url: /nodejs-java/3d-presentation/
+keywords:
+- 3D PowerPoint
+- 3D presentation
+- 3D rotation
+- 3D depth
+- 3D extrusion
+- 3D gradient
+- 3D text
+- PowerPoint
+- OpenDocument
+- presentation
+- Node.js
+- JavaScript
+- Aspose.Slides
+description: "Generate interactive 3D presentations in JavaScript with Aspose.Slides effortlessly. Export quickly to PowerPoint and OpenDocument formats for versatile use."
 ---
 
 ## **Overview**

en/nodejs-java/developer-guide/faqs/_index.md

@@ -1,11 +1,10 @@
 ---
-title: FAQs
+title: FAQ
 type: docs
 weight: 340
 url: /nodejs-java/faqs/
 keywords:
 - FAQ
-- PowerPoint
 - presentation format
 - out of memory error
 - slide size
@@ -14,9 +13,13 @@ keywords:
 - paragraph size
 - formatting tables
 - font
-- Node
+- PowerPoint
+- OpenDocument
+- presentation
+- Node.js
 - JavaScript
-- Aspose.Slides for Node.js via Java
+- Aspose.Slides
+description: "Get answers to FAQ on Aspose.Slides for Node.js via Java, covering PowerPoint and OpenDocument support, installation guidance, licensing, troubleshooting."
 ---
 
 ## **Supported File Formats**

en/nodejs-java/developer-guide/known-issues/_index.md

@@ -3,4 +3,13 @@ title: Known Issues
 type: docs
 weight: 330
 url: /nodejs-java/known-issues/
+keywords:
+- known issue
+- PowerPoint
+- OpenDocument
+- presentation
+- Node.js
+- JavaScript
+- Aspose.Slides
+description: "Stay informed about current limitations and workarounds in Aspose.Slides for Node.js via Java to handle PowerPoint and OpenDocument presentations reliably."
 ---