{"id":104899,"date":"2022-08-20T09:36:39","date_gmt":"2022-08-20T07:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chrome-106-budet-prekrashhena-podderzhka-tehnologii-server-push"},"modified":"2026-01-24T23:11:11","modified_gmt":"2026-01-24T21:11:11","slug":"v-chrome-106-budet-prekrashhena-podderzhka-tehnologii-server-push","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-chrome-106-budet-prekrashhena-podderzhka-tehnologii-server-push","title":{"rendered":"La prise en charge de la technologie Server Push sera arr\u00eat\u00e9e dans Chrome 106","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La soci\u00e9t\u00e9 Google a averti de l'arr\u00eat du support de la technologie Server Push dans la version 106 de Chrome, pr\u00e9vue pour le 27 septembre. Les changements affecteront \u00e9galement d'autres navigateurs bas\u00e9s sur la base de code Chromium. La technologie Server Push est d\u00e9finie dans les normes HTTP\/2 et HTTP\/3, et permet au serveur d'envoyer des ressources au client sans attendre leur demande explicite. Cela permettrait au serveur de r\u00e9duire le temps de chargement de la page, puisque les fichiers CSS, scripts et images n\u00e9cessaires au rendu de la page seront d\u00e9j\u00e0 transf\u00e9r\u00e9s au moment de la demande du client. <\/p>\n

La raison de l'arr\u00eat du support est l'exc\u00e8s de complexit\u00e9 dans la mise en \u0153uvre de la technologie, alors que des alternatives plus simples et tout aussi efficaces existent, comme la balise , gr\u00e2ce \u00e0 laquelle le navigateur peut demander une ressource sans attendre son utilisation sur la page. D'une part, le preload, compar\u00e9 au Server Push, entra\u00eene un \u00e9change de paquets suppl\u00e9mentaire (RTT), mais d'autre part, il permet d'\u00e9viter l'envoi de ressources d\u00e9j\u00e0 pr\u00e9sentes dans le cache du navigateur. Dans l'ensemble, les diff\u00e9rences de latence entre l'utilisation de Server Push et de preload sont jug\u00e9es peu significatives. <\/p>\n

Pour initier le pr\u00e9chargement c\u00f4t\u00e9 de serveurs<\/a> il est propos\u00e9 d'utiliser le code de r\u00e9ponse HTTP 103, qui permet d'informer le client du contenu de certains en-t\u00eates HTTP imm\u00e9diatement apr\u00e8s la demande, sans attendre que le serveur effectue toutes les op\u00e9rations li\u00e9es \u00e0 la demande et commence \u00e0 renvoyer le contenu. De cette mani\u00e8re, il est possible de fournir des indices sur les \u00e9l\u00e9ments li\u00e9s \u00e0 la page renvoy\u00e9e, qui peuvent \u00eatre pr\u00e9charg\u00e9s (par exemple, des liens vers les CSS et JavaScript utilis\u00e9s sur la page). En recevant des informations sur ces ressources, le navigateur peut commencer \u00e0 les charger sans attendre la fin de la livraison de la page principale, ce qui permet de r\u00e9duire le temps de traitement global de la demande. <\/p>\n

En plus d'optimiser le chargement des ressources, le m\u00e9canisme Server Push<\/a> il pouvait \u00e9galement \u00eatre utilis\u00e9 pour le streaming de donn\u00e9es du serveur au client, mais pour ces objectifs, le consortium W3C d\u00e9veloppe le protocole WebTransport. Le canal de communication dans WebTransport est organis\u00e9 au-dessus de HTTP\/3 en utilisant le protocole QUIC comme transport. WebTransport offre des fonctionnalit\u00e9s avanc\u00e9es telles que la gestion de la transmission en plusieurs flux, des flux unidirectionnels, la livraison sans tenir compte de l'ordre d'envoi des paquets (out-of-order), et des modes de livraison fiables et non fiables. <\/p>\n

Selon les statistiques de Google, la technologie Server Push n'a pas r\u00e9ussi \u00e0 se populariser. Bien que Server Push soit pr\u00e9sent dans la sp\u00e9cification de HTTP\/3, dans la pratique, de nombreux produits logiciels serveur et client, y compris le navigateur Chrome, ne l'ont pas impl\u00e9ment\u00e9 au d\u00e9part. En 2021, environ 1,25 % des sites fonctionnant sous HTTP\/2 utilisaient Server Push. Cette ann\u00e9e, ce chiffre a chut\u00e9 \u00e0 0,7 %.
\n
Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Server Push \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Chrome 106, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u043c \u043d\u0430 27 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f. \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0442\u0430\u043a\u0436\u0435 \u0437\u0430\u0442\u0440\u043e\u043d\u0435\u0442 \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u044b, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435 Chromium. \u0422\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f Server Push \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430 \u0432 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u0445 HTTP\/2 \u0438 HTTP\/3, \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0440\u0435\u0441\u0443\u0440\u0441\u044b \u043a\u043b\u0438\u0435\u043d\u0442\u0443, \u043d\u0435 \u0434\u043e\u0436\u0438\u0434\u0430\u044f\u0441\u044c \u0438\u0445 \u044f\u0432\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430. \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440 \u043c\u043e\u0436\u0435\u0442 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104899","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47La prise en charge de la technologie Server Push sera interrompue dans Chrome 106 | ProHoster","description":"Google a averti de la suppression du support de la technologie Server Push dans la version 106 de Chrome, pr\u00e9vue pour le 27 septembre. 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