diff --git a/ts/interfaces/index.ts b/ts/interfaces/index.ts
index cfb619f..ca7fd9c 100644
--- a/ts/interfaces/index.ts
+++ b/ts/interfaces/index.ts
@@ -2,7 +2,7 @@ import * as plugins from '../websetup.plugins';
 
 export interface IMetaObject {
   title: string;
-  description: string;
+  description?: string;
   canonicalDomain?: string;
   ldCompany?: plugins.tsclass.business.ICompany;
   ldProduct?: any;
diff --git a/ts/websetup.classes.taglevel.ts b/ts/websetup.classes.taglevel.ts
index 6f69fe9..933a044 100644
--- a/ts/websetup.classes.taglevel.ts
+++ b/ts/websetup.classes.taglevel.ts
@@ -11,7 +11,17 @@ export type TLevelState = 'enabled' | 'disabled';
 export class TagLevel {
   public tagManagerRef: TagManager;
 
-  public title: string;
+  private titleStore: string;
+  public set title(titleArg: string) {
+    this.titleStore = titleArg;
+    if (this.state === 'enabled') {
+      document.title = this.titleStore;
+    }
+  }
+  public get title() {
+    return this.titleStore;
+  }
+
   public type: TBaseLevelType;
   public tags: Tag[] = [];
 
diff --git a/ts/websetup.classes.tagmanager.ts b/ts/websetup.classes.tagmanager.ts
index 931b26d..654468b 100644
--- a/ts/websetup.classes.tagmanager.ts
+++ b/ts/websetup.classes.tagmanager.ts
@@ -6,22 +6,22 @@ import { JsonLdTag } from './websetup.classes.tag.jsonldtag';
 import { OpengraphTag } from './websetup.classes.tag.opengraphtag';
 
 export class TagManager {
-  public globalLevel: TagLevel;
+  public globalLevel: TagLevel = new TagLevel(this, 'global');
 
-  public baseLevel: TagLevel;
+  public baseLevel: TagLevel = new TagLevel(this, 'base');
 
   public activeLevel: TagLevel;
 
   public async setup(metaObjectArg: interfaces.IMetaObject) {
     // global tag level
-    this.globalLevel = new TagLevel(this, 'global');
     this.globalLevel.addTag(new MetaTag('google', 'notranslate'));
     this.globalLevel.addTag(new MetaTag('revisit-after', '1 days'));
 
     // base tag level
-    this.baseLevel = new TagLevel(this, 'base');
     this.baseLevel.title = metaObjectArg.title;
-    this.baseLevel.addTag(new MetaTag('description', metaObjectArg.description));
+    if (metaObjectArg.description) {
+      this.baseLevel.addTag(new MetaTag('description', metaObjectArg.description));
+    }
 
     if (metaObjectArg.canonicalDomain) {
       this.baseLevel.addTag(new MetaTag('canonical', metaObjectArg.canonicalDomain));
@@ -37,7 +37,9 @@ export class TagManager {
   public setSubPageLevel(metaObjectArg: interfaces.IMetaObject) {
     const subPageLevel = new TagLevel(this, 'subpage');
     subPageLevel.title = metaObjectArg.title;
-    subPageLevel.addTag(new MetaTag('description', metaObjectArg.description));
+    if (metaObjectArg.description) {
+      this.baseLevel.addTag(new MetaTag('description', metaObjectArg.description));
+    }
     this.activeLevel.disable();
     this.activeLevel = subPageLevel;
     this.activeLevel.enable();
diff --git a/ts/websetup.classes.websetup.ts b/ts/websetup.classes.websetup.ts
index 9bf5809..5cae9ef 100644
--- a/ts/websetup.classes.websetup.ts
+++ b/ts/websetup.classes.websetup.ts
@@ -25,7 +25,10 @@ export class WebSetup {
   /**
    * an async setup called by the constructor
    */
-  private async setup() {
+  public async setup(optionsArg?: IWebSetupConstructorOptions) {
+    if (optionsArg) {
+      this.options = optionsArg;
+    }
     await this.tagManager.setup(this.options.metaObject);
   }