diff --git a/src/client/services/marketing/floodlight/floodlight.marketing.service.ts b/src/client/services/marketing/floodlight/floodlight.marketing.service.ts
index 67d4c7c950..209483bd03 100644
--- a/src/client/services/marketing/floodlight/floodlight.marketing.service.ts
+++ b/src/client/services/marketing/floodlight/floodlight.marketing.service.ts
@@ -6,15 +6,24 @@ import { MarketingService } from '../marketing.service';
 
 export default class FloodlightMarketingService implements MarketingService {
 	static readonly SERVICE_NAME = 'floodlight';
+	private ready = false;
 
 	constructor(private readonly cookiesService: CookiesService, private readonly gtagService: GoogleTagManagerService) {
+		// eslint-disable-next-line @typescript-eslint/no-this-alias
+		const service = this;
 		// eslint-disable-next-line
 		type ConfigObject = any;
 		const config: TarteAuCitron.ServiceConfig<ConfigObject> = {
 			cookies: this.gtagService.cookies(),
 			js: function () {
 				'use strict';
-				gtagService.mount();
+				gtagService.mount().then(() => {
+					// eslint-disable-next-line
+					// @ts-ignore
+					window.gtag('config', GoogleTagManagerService.ADS_ID);
+					service.ready = true;
+					document.dispatchEvent(new CustomEvent('floodlight_ready'));
+				});
 			},
 			key: FloodlightMarketingService.SERVICE_NAME,
 			name: 'Floodlight',
@@ -27,7 +36,10 @@ export default class FloodlightMarketingService implements MarketingService {
 
 	// eslint-disable-next-line
 	trackPage(pagename: string): void {
+		const cookiesService = this.cookiesService;
 		function sendAnalytics() {
+			if (!cookiesService.isServiceAllowed(FloodlightMarketingService.SERVICE_NAME)) { return; }
+
 			// eslint-disable-next-line
 			// @ts-ignore
 			window.gtag('event', 'conversion', {
@@ -35,8 +47,11 @@ export default class FloodlightMarketingService implements MarketingService {
 				send_to: 'DC-3048978/appre0/24appren+unique',
 				u1: '[URL]',
 			});
-
 		}
-		document.addEventListener('gtag_ready', sendAnalytics);
+		if (this.ready) {
+			sendAnalytics();
+		} else {
+			document.addEventListener('floodlight_ready', sendAnalytics, { once: true });
+		}
 	}
 }
diff --git a/src/client/services/marketing/googleTagManager.service.ts b/src/client/services/marketing/googleTagManager.service.ts
index 5c7fc81fe4..263408fd01 100644
--- a/src/client/services/marketing/googleTagManager.service.ts
+++ b/src/client/services/marketing/googleTagManager.service.ts
@@ -3,11 +3,17 @@
 
 export default class GoogleTagManagerService {
 	static readonly ADS_ID = 'DC-10089018';
-	private mounted = false;
+	private status: 'unmounted' | 'mounting' | 'mounted' = 'unmounted';
+	private pending = [];
 
-	mount() {
-		if (this.mounted) { return; }
+	async mount() {
+		if (this.status === 'mounted') { return; }
+		// eslint-disable-next-line @typescript-eslint/no-this-alias
+		const service = this;
+		const result = new Promise((resolve) => {this.pending.push(resolve);});
+		if (this.status === 'mounting') { return result; }
 
+		this.status = 'mounting';
 		window.dataLayer = window.dataLayer || [];
 		window.tarteaucitron.addScript('https://www.googletagmanager.com/gtag/js?id=' + GoogleTagManagerService.ADS_ID, '', function () {
 			window.gtag = function gtag() {
@@ -15,19 +21,14 @@ export default class GoogleTagManagerService {
 				window.dataLayer.push(arguments);
 			};
 			window.gtag('js', new Date());
-			const additional_config_info = (window.timeExpire !== undefined) ? {
-				anonymize_ip: true,
-				cookie_expires: window.timeExpire / 1000,
-			} : { anonymize_ip: true };
-
-			window.gtag('config', GoogleTagManagerService.ADS_ID, additional_config_info);
 
 			if (typeof window.tarteaucitron.user.googleadsMore === 'function') {
 				window.tarteaucitron.user.googleadsMore();
 			}
-			document.dispatchEvent(new CustomEvent('gtag_ready'));
+			service.pending.forEach((resolve) => resolve());
+			service.status = 'mounted';
 		});
-		this.mounted = true;
+		return result;
 	}
 
 	cookies() {
diff --git a/src/client/services/marketing/seedtag/seedtag.marketing.service.ts b/src/client/services/marketing/seedtag/seedtag.marketing.service.ts
index 23f9a3d712..b3a5941463 100644
--- a/src/client/services/marketing/seedtag/seedtag.marketing.service.ts
+++ b/src/client/services/marketing/seedtag/seedtag.marketing.service.ts
@@ -6,15 +6,25 @@ import { MarketingService } from '../marketing.service';
 
 export default class SeedtagMarketingService implements MarketingService {
 	static readonly SEEDTAG_SERVICE_NAME = 'seedtag';
+	private ready = false;
 
 	constructor(private readonly cookiesService: CookiesService, private readonly gtagService: GoogleTagManagerService) {
+		// eslint-disable-next-line @typescript-eslint/no-this-alias
+		const service = this;
 		// eslint-disable-next-line
 		type ConfigObject = any;
 		const config: TarteAuCitron.ServiceConfig<ConfigObject> = {
 			cookies: this.gtagService.cookies(),
 			js: function () {
 				'use strict';
-				gtagService.mount();
+				const promise = gtagService.mount();
+				promise.then(() => {
+					// eslint-disable-next-line
+					// @ts-ignore
+					window.gtag('config', GoogleTagManagerService.ADS_ID);
+					service.ready = true;
+					document.dispatchEvent(new CustomEvent('seedtag_ready'));
+				});
 			},
 			key: SeedtagMarketingService.SEEDTAG_SERVICE_NAME,
 			name: 'Seedtag',
@@ -27,7 +37,9 @@ export default class SeedtagMarketingService implements MarketingService {
 
 	// eslint-disable-next-line
 	trackPage(pagename: string): void {
+		const cookiesService = this.cookiesService;
 		function sendAnalytics() {
+			if (!cookiesService.isServiceAllowed(SeedtagMarketingService.SEEDTAG_SERVICE_NAME)) { return; }
 			// eslint-disable-next-line
 			// @ts-ignore
 			window.gtag('event', 'conversion', {
@@ -35,8 +47,13 @@ export default class SeedtagMarketingService implements MarketingService {
 				send_to: `${GoogleTagManagerService.ADS_ID}/invmedia/fr_ga005+standard`,
 				u2: '[URL_Info]',
 			});
+		}
+		if (!this.cookiesService.isServiceAllowed(SeedtagMarketingService.SEEDTAG_SERVICE_NAME)) { return; }
 
+		if (this.ready) {
+			sendAnalytics();
+		} else {
+			document.addEventListener('seedtag_ready', sendAnalytics, { once: true });
 		}
-		document.addEventListener('gtag_ready', sendAnalytics);
 	}
 }
diff --git a/src/pages/apprentissage-entreprises/index.page.tsx b/src/pages/apprentissage-entreprises/index.page.tsx
index 63c9d5d81b..8e40320335 100644
--- a/src/pages/apprentissage-entreprises/index.page.tsx
+++ b/src/pages/apprentissage-entreprises/index.page.tsx
@@ -32,7 +32,8 @@ export default function ApprentissageEntreprises ({ videos }: ApprentissageEntre
 	useEffect(() => {
 		seedtagService.trackPage('');
 		floodlightService.trackPage('');
-	}, [floodlightService, seedtagService]);
+		// eslint-disable-next-line
+	}, []);
 
 	const azerionService: MarketingService = useDependency('azerionService');
 	azerionService.trackPage('');
diff --git a/src/pages/choisir-apprentissage/index.page.tsx b/src/pages/choisir-apprentissage/index.page.tsx
index b9d11ec9cb..6a3affa08c 100644
--- a/src/pages/choisir-apprentissage/index.page.tsx
+++ b/src/pages/choisir-apprentissage/index.page.tsx
@@ -56,7 +56,8 @@ export default function ApprentissageJeunes(props: ApprentissageJeunesPageProps)
 	const floodlightService = useDependency<MarketingService>('floodlightService');
 	useEffect(() => {
 		floodlightService.trackPage('');
-	});
+		// eslint-disable-next-line
+	}, []);
 
 	return (
 		<>