diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index bdeb26bd214d1b5636a0f76255aa89c94c83ecd2..330754000933f2cedd9c31712fc48993b90c11fa 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -50,13 +50,13 @@ export class AppComponent implements OnInit {
         }
         return titles;
       }),
-    ).subscribe((titles) => {
+    ).subscribe((titles): void => {
       if (titles.length > 1) {
         const title = titles.join(' - ');
-        this._seoSErvice.setRoutingTitle(title);
+        this._seoSErvice.setRoutingSEO(title);
       }
       else {
-        this._seoSErvice.setRoutingTitle('');
+        this._seoSErvice.setRoutingSEO('');
       }
 
     });
diff --git a/src/app/editorialisation/components/cms-posts-list/cms-posts-list.component.ts b/src/app/editorialisation/components/cms-posts-list/cms-posts-list.component.ts
index 404a36e3240617868ff355538e7de41aa4c56d17..51ce8728296d12fb98096d0ed24b7ade2a79973d 100644
--- a/src/app/editorialisation/components/cms-posts-list/cms-posts-list.component.ts
+++ b/src/app/editorialisation/components/cms-posts-list/cms-posts-list.component.ts
@@ -2,11 +2,12 @@ import { Component, OnDestroy, OnInit } from '@angular/core';
 import { AppRoutes } from '../../../routes';
 import { CMSContent } from '../../models/cms-content.model';
 import { IPageHeaderInfo } from '../../../shared/models';
-import { pageTitles, introText } from '../../../../i18n/traductions';
+import { pageTitles, introText, metaDescription } from '../../../../i18n/traductions';
 import { PaginatorOptions } from '../../../shared/models';
 import { ElasticsearchService } from '../../../elasticsearch/services/elasticsearch.service';
 import { DatasetResearchService } from '../../../datasets/services';
 import { scopesResearch } from '../../../shared/variables';
+import { Meta } from '@angular/platform-browser';
 
 @Component({
   selector: 'app-cms-posts-list',
@@ -33,9 +34,12 @@ export class CMSPostsListComponent implements OnInit, OnDestroy {
   constructor(
     private _elasticsearchService: ElasticsearchService,
     private _datasetResearchService: DatasetResearchService,
+    private _meta: Meta,
   ) { }
 
   ngOnInit() {
+
+    this._meta.updateTag({ name: 'description', content: metaDescription.news });
     this._datasetResearchService.resetResearch();
     this._datasetResearchService.scopeReasearch = scopesResearch.post;
     const countResults = [];
diff --git a/src/app/editorialisation/components/home/home.component.ts b/src/app/editorialisation/components/home/home.component.ts
index faf0f35a45d98a93a4ac2737b662159d55c63222..49baebf709786c1c7d191003b77be3fb65f17327 100644
--- a/src/app/editorialisation/components/home/home.component.ts
+++ b/src/app/editorialisation/components/home/home.component.ts
@@ -42,9 +42,6 @@ export class HomeComponent implements OnInit {
   ) { }
 
   ngOnInit() {
-    // Set the title and description for the home page
-    this._meta.updateTag({ name: 'description', content: metaDescription.home });
-
     this._datasetResearchService.resetResearch(false);
     this.latestPosts = [];
 
diff --git a/src/app/editorialisation/services/seo.service.ts b/src/app/editorialisation/services/seo.service.ts
index ba44be0094044b1c7420793e1675f78800c763e2..aa80e4ccd198eb927db82fec7f19f761418970a4 100644
--- a/src/app/editorialisation/services/seo.service.ts
+++ b/src/app/editorialisation/services/seo.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 import { Meta, Title } from '@angular/platform-browser';
 import { environment } from '../../../environments/environment';
-import { pageTitles } from '../../../i18n/traductions';
+import { metaDescription, pageTitles } from '../../../i18n/traductions';
 import { AppRoutes } from '../../routes';
 import { Metadata } from '../../shared/models';
 import { CMSContent, Reuse } from '../models';
@@ -16,13 +16,13 @@ export class SeoSErvice {
   private _defaultTitle: string;
 
   constructor(
-    private _titleService: Title,
-    private _metaService: Meta,
+      private _titleService: Title,
+      private _metaService: Meta
   ) {
     this._lang = window.location.href.includes(environment.angularAppHost.en) ? 'en' : 'fr';
 
     this._defaultImg = this._metaService.getTag("property='og:image'").content;
-    this._defaultDesc = this._metaService.getTag("name='description'").content;
+    this._defaultDesc = metaDescription.home;
     this._defaultTitle = this._titleService.getTitle();
   }
 
@@ -50,10 +50,12 @@ export class SeoSErvice {
     const imageUrl = (data.image != null) ?
         data.image.url : this._defaultImg;
 
+    const description = metaDescription.dataset;
+
     const meta = [
-      { name: 'description', content: data.abstractTroncated },
+      { name: 'description', content: description },
       { property: 'og:title', content: data.title },
-      { property: 'og:description', content: data.abstractTroncated },
+      { property: 'og:description', content: description},
       { property: 'og:image', content: imageUrl },
     ];
 
@@ -61,10 +63,10 @@ export class SeoSErvice {
     this._setTitle(data.title);
   }
 
-  setRoutingTitle(title:string)
+  setRoutingSEO(title:string)
   {
     if (title=='') {
-      title=this._defaultTitle;
+      title=pageTitles.home;
     }
 
     const meta = [
diff --git a/src/app/routes.ts b/src/app/routes.ts
index 507d944e6b907a539038a652add1ee6d6fdb3238..23fe177bdaa81cb44b73800141e712d611e600f9 100644
--- a/src/app/routes.ts
+++ b/src/app/routes.ts
@@ -186,7 +186,7 @@ export const AppRoutes = {
     uri: 'jeux-de-donnees',
     title: {
       fr: 'Jeux de données de la plateforme data de la Métropole de Lyon',
-      en: 'Datasets from the Lyon Metropolis data platform',
+      en: 'Data sets from the Metropole de Lyon data platform',
     },
   },
   info: {
@@ -241,8 +241,8 @@ export const AppRoutes = {
   news: {
     uri: 'actualites',
     title: {
-      fr: 'L’actualité de la plateforme open-data de la Métropole de Lyon',
-      en: 'News from the Métropole de Lyon data platform'
+      fr: 'Actualités de la plateforme data de la Métropole de Lyon',
+      en: 'News from the Metropole de Lyon data platform'
     }
   },
   reusesDetail: {
diff --git a/src/i18n/traductions.fr.ts b/src/i18n/traductions.fr.ts
index 9c51e67c58bddf34a394f46683ae48094042bf28..6db669f9bbaba7bed45d09cf8a320c41892ca9dc 100644
--- a/src/i18n/traductions.fr.ts
+++ b/src/i18n/traductions.fr.ts
@@ -217,9 +217,12 @@ export const geosource = {
   },
 };
 
+
 export const metaDescription = {
   home: "La plateforme des données des acteurs du territoire de la Métropole de Lyon. Elle permet la recherche et l'utilisation des données ouvertes (open data).",
   research: 'La plateforme data.grandlyon.com offre un accès à plusieurs centaines de jeux de données. Ils peuvent être recherchés par mots-clés, par filtres, et triés suivant différents critères.',
+  dataset: "Des métadonnées décrivent la donnée : contexte et origine, producteur, thématique, statistiques, conditions d'accès (API).",
+  news: 'La Métropole de Lyon vous informe en continu sur les données ouvertes (open data) sur le territoire et les services offerts par la plateforme data du Grand Lyon',
 };
 export const introText = {
   research: "La plateforme data.grandlyon.com offre un accès à plusieurs centaines de jeux de données. Recherchez-les grâce à la recherche par mot-clé et par filtres : partenaire producteur de la donnée, thématique (environnement, transport…), format… Et explorez-les en accédant à leur page détaillée : cartographie, tableau textuel des données, description, lien de téléchargement et accès par API.",
@@ -258,8 +261,9 @@ export const subjects = [
 ];
 
 export const pageTitles = {
+  home: 'data.granlyon.com : Open data de la Métropole de Lyon',
   siteMap: 'Plan du site',
-  datasets: 'Jeux de données de la plateforme data de la Métropole de Lyon',
+  datasets: 'Jeux de données',
   credits: 'Crédits',
   partners: 'Partenaires',
   changelog: 'Dernières évolutions',
@@ -277,7 +281,7 @@ export const pageTitles = {
   userPasswordUpdate: 'Modifier mon mot de passe',
   contribution: 'Publier un jeu de données',
   reuses: 'Réutilisations',
-  news: 'Actualités de la plateforme data de la Métropole de Lyon',
+  news: 'Actualités',
 };
 
 export const datatsetDataRepresentationType = {
diff --git a/src/i18n/traductions.ts b/src/i18n/traductions.ts
index a1c07f0cd6aa47f5f9ab8e79a3857a5fe7c84e17..a91816d382a170681ce43fc63e5ef4f1424fc6d5 100644
--- a/src/i18n/traductions.ts
+++ b/src/i18n/traductions.ts
@@ -219,13 +219,16 @@ export const geosource = {
   },
 };
 
+
 export const metaDescription = {
-  home: 'The data platform for stakeholders in the Lyon Metropolitan Area. It allows the research and use of open data.',
+  home: 'The data platform of the partners of the Metropole de Lyon territory. It allows the search and use of open data.',
   research: 'The data.grandlyon.com platform offers access to several hundred datasets. They can be searched by keywords, by filters, and sorted according to different criteria.',
+  dataset: 'Metadata describe the data: context and origin, producer, subject, statistics, access conditions (API).',
+  news: 'The Metropole de Lyon informs you continuously about the open data on the territory and the services offered by the Greater Lyon data platform',
 };
 export const introText = {
-  research: "The data.grandlyon.com platform offers access to several hundred datasets. Search them using the keyword and filter search: partner producing the data, thematic (environment, transport, etc.), format, etc. And explore them by accessing their detailed page: mapping, textual table of data, description , download link and API access.",
-  news: "The Métropole de Lyon informs you of the latest news from its data platform: opening of new datasets available for the territory, examples of use, thematic files related to the published datasets, focus on the data partners of the Greater Lyon, events, new platform features ..."
+  research: "The data.grandlyon.com platform offers access to several hundred data sets. Search for them using keywords and filters: data producing partner, theme (environment, transport, etc.), format, etc. And explore them by accessing their detailed page: cartography, textual table of data, description, download link and API access.",
+  news: "The Metropole de Lyon informs you about the latest news of its data platform: opening of new datasets available for the territory, examples of use, thematic files related to the published datasets, focus on the data partners of Greater Lyon, events, new features of the platform..."
 };
 
 export const subjects = [
@@ -260,11 +263,12 @@ export const subjects = [
 ];
 
 export const pageTitles = {
+  home: 'data.granlyon.com : Open data of the Metropole de Lyon',
   siteMap: 'Site map',
-  datasets: 'Datasets from the Lyon Metropolis data platform',
+  datasets: 'Data sets',
   credits: 'Credits',
   partners: 'Partners',
-  news: 'News from the Lyon Metropolis data platform',
+  news: 'News',
   changelog: 'Last changes',
   actors: 'Actors',
   signup: 'Sign up',
diff --git a/src/index.html b/src/index.html
index 76faca0159d3afb41a8b94a7e7dc332342e69bff..1dae88dd10667c81d162f3c1f42e5026ec3f9d3c 100644
--- a/src/index.html
+++ b/src/index.html
@@ -3,7 +3,7 @@
 
 <head>
   <meta charset="utf-8">
-  <title>data.grandlyon.com : plateforme open data de la métropole de Lyon</title>
+  <title>data.grandlyon.com : Open data de la Métropole de Lyon</title>
   <meta name="description" content="Basé entièrement sur des briques logicielles Open Source, ce portail vous invite à découvrir les données des acteurs du territoire de la Métropole de Lyon">
   <base href="/">