Refactor OpenDJ documentation: Improve formatting and add missing headings for clarity

Author: maximthomas

opendj.md

@@ -2,7 +2,9 @@
 layout: home
 title: OpenDJ - Open Directory Server
 description: 'OpenDJ by Open Identity Platform: LDAPv3 directory server. Scalable, secure identity storage with easy deployment for enterprise IAM.'
-keywords: OpenDJ, OpenDJ directory server, open source LDAP, LDAPv3 server, Java LDAP server, open source directory service, identity management, Open Identity Platform, OpenDJ, high performance LDAP, scalable directory server, secure identity store, LDAP directory, open source IAM, multi-master replication, OpenDJ download
+keywords: OpenDJ, OpenDJ directory server, open source LDAP, LDAPv3 server, Java LDAP server, open source directory service, identity management, Open Identity Platform, high performance LDAP, scalable directory server, secure identity store, LDAP directory, open source IAM, multi-master replication, OpenDJ download
+imageurl: opendj-logo.png
+lastmod: 2026-06-24
 reponame: OpenDJ
 product: opendj
 links: 
@@ -20,17 +22,19 @@ links:
   </h1>
 </div>
 
+<h2 class="sr-only">OpenDJ - Open Directory Server</h2>
+
 OpenDJ is an LDAPv3 compliant directory service, which has been developed for the Java platform, providing a high performance, highly available, and secure store for the identities managed by your organization. Its easy installation process, combined with the power of the Java platform makes OpenDJ the simplest, fastest directory to deploy and manage.
 
-* **High Performance**. Lots of features are important, but performance is almost always near the top of the list. It needs to be extremely fast, outperforming all other servers wherever possible.
+* **High Performance** - Lots of features are important, but performance is almost always near the top of the list. It needs to be extremely fast, outperforming all other servers wherever possible.
 
-* **Vertical Scalability**  OpenDJ is capable of handling billions of entries in a single instance on appropriately-sized hardware. It can make effective use of multi-CPU, multi-core machines with hundreds of gigabytes of memory.
+* **Vertical Scalability** - OpenDJ is capable of handling billions of entries in a single instance on appropriately-sized hardware. It can make effective use of multi-CPU, multi-core machines with hundreds of gigabytes of memory.
 
-* **Horizontal Scalability** OpenDJ supports Multi-Master replication to support horizontal scalability to provide fast read and write access to large amounts of data.
+* **Horizontal Scalability** - OpenDJ supports Multi-Master replication to support horizontal scalability to provide fast read and write access to large amounts of data.
 
-* **Supportability** OpenDJ is easy to support and maintain. The administration is almost intuitive and provides various powerful tools to manage and monitor OpenDJ instances.
+* **Supportability** - OpenDJ is easy to support and maintain. The administration is almost intuitive and provides various powerful tools to manage and monitor OpenDJ instances.
 
-* **Synchronization** OpenDJ supports data synchronization between instances, including not only total data synchronization but also partial synchronization (with fractional, filtered, and subtree capabilities)
+* **Synchronization** - OpenDJ supports data synchronization between instances, including not only total data synchronization but also partial synchronization (with fractional, filtered, and subtree capabilities).
 
  {% include product-links.html %}