diff --git a/webapp/components/Group/GroupMember.vue b/webapp/components/Group/GroupMember.vue
index 0a99aa21c..db5635c1f 100644
--- a/webapp/components/Group/GroupMember.vue
+++ b/webapp/components/Group/GroupMember.vue
@@ -87,12 +87,7 @@
         </ds-chip>
       </template>
       <template #edit="scope">
-        <ds-button
-          v-if="scope.row.myRoleInGroup !== 'owner'"
-          size="small"
-          primary
-          @click="deleteMember(scope.row.id)"
-        >
+        <ds-button v-if="scope.row.myRoleInGroup !== 'owner'" size="small" primary disabled>
           <!-- TODO: implement removal of group members -->
           <!--           :disabled="scope.row.myRoleInGroup === 'owner'"
  -->
@@ -221,14 +216,6 @@ export default {
       } finally {
       }
     },
-    // TODO: implement removal of group members
-    // openModal(row) {
-    //   this.isOpen = true
-    //   this.memberId = row.id
-    // },
-    deleteMember(id) {
-      alert('deleteMember: ' + id)
-    },
   },
 }
 </script>
diff --git a/webapp/components/HeaderMenu/HeaderMenu.vue b/webapp/components/HeaderMenu/HeaderMenu.vue
index af1e1f4e4..9db597e03 100644
--- a/webapp/components/HeaderMenu/HeaderMenu.vue
+++ b/webapp/components/HeaderMenu/HeaderMenu.vue
@@ -7,7 +7,8 @@
         <ds-flex-item :width="{ base: LOGOS.LOGO_HEADER_WIDTH }" style="margin-right: 20px">
           <a
             v-if="LOGOS.LOGO_HEADER_CLICK.externalLink"
-            :href="LOGOS.LOGO_HEADER_CLICK.externalLink"
+            :href="LOGOS.LOGO_HEADER_CLICK.externalLink.url"
+            :target="LOGOS.LOGO_HEADER_CLICK.externalLink.target"
           >
             <logo logoType="header" />
           </a>
@@ -27,7 +28,7 @@
           :width="{ base: 'auto' }"
           style="margin-right: 20px"
         >
-          <a v-if="item.url" :href="item.url" target="_blank">
+          <a v-if="item.url" :href="item.url" :target="item.target">
             <ds-text size="large" bold>
               {{ $t(item.nameIdent) }}
             </ds-text>
@@ -77,8 +78,12 @@
                   <invite-button placement="top" />
                 </client-only>
               </div>
+              <!-- group button -->
+              <client-only v-if="SHOW_GROUP_BUTTON_IN_HEADER">
+                <group-button />
+              </client-only>
+              <!-- avatar-menu -->
               <client-only>
-                <!-- avatar-menu -->
                 <avatar-menu placement="top" />
               </client-only>
             </template>
@@ -91,7 +96,18 @@
         <!-- logo, hamburger-->
         <ds-flex>
           <ds-flex-item :width="{ base: LOGOS.LOGO_HEADER_WIDTH }" style="margin-right: 20px">
-            <nuxt-link :to="{ name: 'index' }" v-scroll-to="'.main-navigation'">
+            <a
+              v-if="LOGOS.LOGO_HEADER_CLICK.externalLink"
+              :href="LOGOS.LOGO_HEADER_CLICK.externalLink.url"
+              :target="LOGOS.LOGO_HEADER_CLICK.externalLink.target"
+            >
+              <logo logoType="header" />
+            </a>
+            <nuxt-link
+              v-else
+              :to="LOGOS.LOGO_HEADER_CLICK.internalPath.to"
+              v-scroll-to="LOGOS.LOGO_HEADER_CLICK.internalPath.scrollTo"
+            >
               <logo logoType="header" />
             </nuxt-link>
           </ds-flex-item>
@@ -142,9 +158,18 @@
               <invite-button placement="top" />
             </client-only>
           </ds-flex-item>
+          <!-- group button -->
+          <ds-flex-item
+            :class="{ 'hide-mobile-menu': !toggleMobileMenu }"
+            style="text-align: center"
+          >
+            <client-only v-if="SHOW_GROUP_BUTTON_IN_HEADER">
+              <group-button />
+            </client-only>
+          </ds-flex-item>
+          <!-- avatar-menu mobile-->
           <ds-flex-item :class="{ 'hide-mobile-menu': !toggleMobileMenu }" style="text-align: end">
             <client-only>
-              <!-- avatar-menu mobile-->
               <avatar-menu placement="top" />
             </client-only>
           </ds-flex-item>
@@ -153,7 +178,7 @@
           <!-- dynamic branding menu  -->
           <ul v-if="isHeaderMenu" class="dynamic-branding-mobil">
             <li v-for="item in menu" :key="item.name">
-              <a v-if="item.url" :href="item.url" target="_blank">
+              <a v-if="item.url" :href="item.url" :target="item.target">
                 <ds-text size="large" bold>
                   {{ $t(item.nameIdent) }}
                 </ds-text>
@@ -181,10 +206,12 @@
 </template>
 <script>
 import { mapGetters } from 'vuex'
+import { SHOW_GROUP_BUTTON_IN_HEADER } from '~/constants/groups.js'
 import LOGOS from '~/constants/logos.js'
 import headerMenu from '~/constants/headerMenu.js'
 import AvatarMenu from '~/components/AvatarMenu/AvatarMenu'
 import FilterMenu from '~/components/FilterMenu/FilterMenu.vue'
+import GroupButton from '~/components/Group/GroupButton'
 import InviteButton from '~/components/InviteButton/InviteButton'
 import LocaleSwitch from '~/components/LocaleSwitch/LocaleSwitch'
 import Logo from '~/components/Logo/Logo'
@@ -197,6 +224,7 @@ export default {
   components: {
     AvatarMenu,
     FilterMenu,
+    GroupButton,
     InviteButton,
     LocaleSwitch,
     Logo,
@@ -211,6 +239,7 @@ export default {
     return {
       links,
       LOGOS,
+      SHOW_GROUP_BUTTON_IN_HEADER,
       isHeaderMenu: headerMenu.MENU.length > 0,
       menu: headerMenu.MENU,
       mobileSearchVisible: false,
diff --git a/webapp/components/PageFooter/PageFooter.spec.js b/webapp/components/PageFooter/PageFooter.spec.js
index 95be76630..53302192a 100644
--- a/webapp/components/PageFooter/PageFooter.spec.js
+++ b/webapp/components/PageFooter/PageFooter.spec.js
@@ -100,21 +100,41 @@ describe('PageFooter.vue', () => {
         const links = {
           ...linksDefault,
           ORGANIZATION: linksDefault.ORGANIZATION.overwrite({
-            externalLink: 'https://ocelot.social',
+            externalLink: {
+              url: 'https://ocelot.social',
+              target: '_blank',
+            },
           }),
           IMPRINT: linksDefault.IMPRINT.overwrite({
-            externalLink: 'https://ocelot.social/IMPRINT',
+            externalLink: {
+              url: 'https://ocelot.social/IMPRINT',
+              target: '_blank',
+            },
           }),
           TERMS_AND_CONDITIONS: linksDefault.TERMS_AND_CONDITIONS.overwrite({
-            externalLink: 'https://ocelot.social/TERMS_AND_CONDITIONS',
+            externalLink: {
+              url: 'https://ocelot.social/TERMS_AND_CONDITIONS',
+              target: '_blank',
+            },
           }),
           CODE_OF_CONDUCT: linksDefault.CODE_OF_CONDUCT.overwrite({
-            externalLink: 'https://ocelot.social/CODE_OF_CONDUCT',
+            externalLink: {
+              url: 'https://ocelot.social/CODE_OF_CONDUCT',
+              target: '_blank',
+            },
           }),
           DATA_PRIVACY: linksDefault.DATA_PRIVACY.overwrite({
-            externalLink: 'https://ocelot.social/DATA_PRIVACY',
+            externalLink: {
+              url: 'https://ocelot.social/DATA_PRIVACY',
+              target: '_blank',
+            },
+          }),
+          FAQ: linksDefault.FAQ.overwrite({
+            externalLink: {
+              url: 'https://ocelot.social/FAQ',
+              target: '_blank',
+            },
           }),
-          FAQ: linksDefault.FAQ.overwrite({ externalLink: 'https://ocelot.social/FAQ' }),
         }
         wrapper = Wrapper()
         wrapper.setData({ links })
diff --git a/webapp/components/_new/features/PageParamsLink/PageParamsLink.vue b/webapp/components/_new/features/PageParamsLink/PageParamsLink.vue
index ae01dd319..391c4722e 100644
--- a/webapp/components/_new/features/PageParamsLink/PageParamsLink.vue
+++ b/webapp/components/_new/features/PageParamsLink/PageParamsLink.vue
@@ -6,7 +6,12 @@
   >
     <slot />
   </nuxt-link>
-  <a v-else :href="pageParams.externalLink" target="_blank" :data-test="pageParams.name + '-link'">
+  <a
+    v-else
+    :href="pageParams.externalLink.url"
+    :target="pageParams.externalLink.target"
+    :data-test="pageParams.name + '-link'"
+  >
     <slot />
   </a>
 </template>
diff --git a/webapp/components/utils/InternalPages.js b/webapp/components/utils/InternalPages.js
index f45601af9..dfdc04a6e 100644
--- a/webapp/components/utils/InternalPages.js
+++ b/webapp/components/utils/InternalPages.js
@@ -4,7 +4,11 @@ export const defaultPageParamsPages = {
   ORGANIZATION: new PageParams({
     name: 'organization',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/organization', // static, don't change! internal page in case no external is defined
@@ -21,7 +25,11 @@ export const defaultPageParamsPages = {
   DONATE: new PageParams({
     name: 'donate',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/donate', // static, don't change! internal page in case no external is defined
@@ -38,7 +46,11 @@ export const defaultPageParamsPages = {
   IMPRINT: new PageParams({
     name: 'imprint',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/imprint', // static, don't change! internal page in case no external is defined
@@ -55,7 +67,11 @@ export const defaultPageParamsPages = {
   TERMS_AND_CONDITIONS: new PageParams({
     name: 'terms-and-conditions',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/terms-and-conditions', // static, don't change! internal page in case no external is defined
@@ -72,7 +88,11 @@ export const defaultPageParamsPages = {
   CODE_OF_CONDUCT: new PageParams({
     name: 'code-of-conduct',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/code-of-conduct', // static, don't change! internal page in case no external is defined
@@ -89,7 +109,11 @@ export const defaultPageParamsPages = {
   DATA_PRIVACY: new PageParams({
     name: 'data-privacy',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/data-privacy', // static, don't change! internal page in case no external is defined
@@ -106,7 +130,11 @@ export const defaultPageParamsPages = {
   FAQ: new PageParams({
     name: 'faq',
 
-    externalLink: null, // if string is defined and not empty it's dominating
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/faq', // static, don't change! internal page in case no external is defined
@@ -123,7 +151,11 @@ export const defaultPageParamsPages = {
   SUPPORT: new PageParams({
     name: 'support',
 
-    externalLink: null,
+    // externalLink: {
+    //   url: 'https://ocelot.social',
+    //   target: '_blank',
+    // },
+    externalLink: null, // if defined it's dominating
 
     internalPage: {
       pageRoute: '/support', // static, don't change '*/support'! internal page in case no external is defined
diff --git a/webapp/components/utils/PageParams.js b/webapp/components/utils/PageParams.js
index 9d1fc6dfe..539034a1c 100644
--- a/webapp/components/utils/PageParams.js
+++ b/webapp/components/utils/PageParams.js
@@ -24,18 +24,22 @@ export class PageParams {
   }
 
   get isInternalPage() {
-    return this.noStringDefined(this.externalLink)
+    return !(this.externalLink && !this.noStringDefined(this.externalLink.url))
   }
 
   get link() {
-    return this.isInternalPage ? this.internalPage.pageRoute : this.externalLink
+    return this.isInternalPage ? this.internalPage.pageRoute : this.externalLink.url
   }
 
   redirectToPage(thisComponent) {
     if (this.isInternalPage) {
       thisComponent.$router.push(this.internalPage.pageRoute)
     } else if (typeof window !== 'undefined') {
-      window.location.href = this.externalLink
+      if (this.externalLink.target === '_blank') {
+        window.open(this.externalLink.url, this.externalLink.target)
+      } else {
+        window.location.href = this.externalLink.url
+      }
     }
   }
 }
diff --git a/webapp/constants/headerMenu.js b/webapp/constants/headerMenu.js
index 6d0a0afad..aa87a598c 100644
--- a/webapp/constants/headerMenu.js
+++ b/webapp/constants/headerMenu.js
@@ -7,6 +7,7 @@ export default {
     // {
     //   nameIdent: 'nameIdent',
     //   url: 'https://ocelot.social',
+    //   target: '_blank',
     // },
   ],
 }
diff --git a/webapp/constants/links.js b/webapp/constants/links.js
index c65c9be3c..3af64d374 100644
--- a/webapp/constants/links.js
+++ b/webapp/constants/links.js
@@ -3,7 +3,11 @@
 import { defaultPageParamsPages } from '~/components/utils/InternalPages.js'
 
 const ORGANIZATION = defaultPageParamsPages.ORGANIZATION.overwrite({
-  externalLink: 'https://ocelot.social', // if string is defined and not empty it's dominating
+  // if defined it's dominating
+  externalLink: {
+    url: 'https://ocelot.social',
+    target: '_blank',
+  },
 
   internalPage: {
     // footerIdent: 'site.made', // localized string identifier, if undefined default is used
@@ -16,8 +20,12 @@ const ORGANIZATION = defaultPageParamsPages.ORGANIZATION.overwrite({
   },
 })
 const DONATE = defaultPageParamsPages.DONATE.overwrite({
-  // we use 'ocelot-social.herokuapp.com' at the moment, because redirections of 'ocelot.social' subpages are not working correctly
-  externalLink: 'https://ocelot-social.herokuapp.com/donations', // if string is defined and not empty it's dominating
+  // if defined it's dominating
+  externalLink: {
+    // we use 'ocelot-social.herokuapp.com' at the moment, because redirections of 'ocelot.social' subpages are not working correctly
+    url: 'https://ocelot-social.herokuapp.com/donations',
+    target: '_blank',
+  },
 
   internalPage: {
     // footerIdent: 'site.donate', // localized string identifier, if undefined default is used
@@ -30,8 +38,11 @@ const DONATE = defaultPageParamsPages.DONATE.overwrite({
   },
 })
 const IMPRINT = defaultPageParamsPages.IMPRINT.overwrite({
-  // we use 'ocelot-social.herokuapp.com' at the moment, because redirections of 'ocelot.social' subpages are not working correctly
-  externalLink: 'https://ocelot-social.herokuapp.com/imprint', // if string is defined and not empty it's dominating
+  externalLink: {
+    // we use 'ocelot-social.herokuapp.com' at the moment, because redirections of 'ocelot.social' subpages are not working correctly
+    url: 'https://ocelot-social.herokuapp.com/imprint',
+    target: '_blank',
+  },
 
   internalPage: {
     // footerIdent: 'site.imprint', // localized string identifier, if undefined default is used
@@ -44,7 +55,7 @@ const IMPRINT = defaultPageParamsPages.IMPRINT.overwrite({
   },
 })
 const TERMS_AND_CONDITIONS = defaultPageParamsPages.TERMS_AND_CONDITIONS.overwrite({
-  // externalLink: null, // if string is defined and not empty it's dominating
+  // externalLink: null, // if defined it's dominating
 
   internalPage: {
     // footerIdent: 'site.termsAndConditions', // localized string identifier, if undefined default is used
@@ -57,7 +68,7 @@ const TERMS_AND_CONDITIONS = defaultPageParamsPages.TERMS_AND_CONDITIONS.overwri
   },
 })
 const CODE_OF_CONDUCT = defaultPageParamsPages.CODE_OF_CONDUCT.overwrite({
-  // externalLink: null, // if string is defined and not empty it's dominating
+  // externalLink: null, // if defined it's dominating
 
   internalPage: {
     // footerIdent: 'site.code-of-conduct', // localized string identifier, if undefined default is used
@@ -70,7 +81,7 @@ const CODE_OF_CONDUCT = defaultPageParamsPages.CODE_OF_CONDUCT.overwrite({
   },
 })
 const DATA_PRIVACY = defaultPageParamsPages.DATA_PRIVACY.overwrite({
-  // externalLink: null, // if string is defined and not empty it's dominating
+  // externalLink: null, // if defined it's dominating
 
   internalPage: {
     // footerIdent: 'site.data-privacy', // localized string identifier, if undefined default is used
@@ -83,7 +94,7 @@ const DATA_PRIVACY = defaultPageParamsPages.DATA_PRIVACY.overwrite({
   },
 })
 const FAQ = defaultPageParamsPages.FAQ.overwrite({
-  // externalLink: null, // if string is defined and not empty it's dominating
+  // externalLink: null, // if defined it's dominating
 
   internalPage: {
     // footerIdent: 'site.faq', // localized string identifier, if undefined default is used
@@ -96,7 +107,11 @@ const FAQ = defaultPageParamsPages.FAQ.overwrite({
   },
 })
 const SUPPORT = defaultPageParamsPages.SUPPORT.overwrite({
-  externalLink: 'https://ocelot.social', // if string is defined and not empty it's dominating
+  // if defined it's dominating
+  externalLink: {
+    url: 'https://ocelot.social',
+    target: '_blank',
+  },
 
   internalPage: {
     // footerIdent: 'site.support', // localized string identifier, if undefined default is used
diff --git a/webapp/mixins/internalPageMixins.js b/webapp/mixins/internalPageMixins.js
index 2c2a517c4..922d64f95 100644
--- a/webapp/mixins/internalPageMixins.js
+++ b/webapp/mixins/internalPageMixins.js
@@ -16,10 +16,7 @@ export function internalPageMixins(pageParams) {
     },
     created() {
       if (!this.pageParams.isInternalPage) {
-        // to avoid possible errors, because 'window' is only defined on browser side but not in NodeJS on client side. check for 'typeof window' is neccessary, because if it's not defined at all you can't check for 'window !== undefined' without the same error 'window is undefined'
-        if (typeof window !== 'undefined') {
-          window.location.href = this.pageParams.externalLink
-        }
+        this.pageParams.redirectToPage(this)
       }
     },
   }