{"id":20748,"date":"2021-05-26T07:44:39","date_gmt":"2021-05-26T12:44:39","guid":{"rendered":"https:\/\/www.loadview-testing.com\/blog\/http-2-0-test-de-charge\/"},"modified":"2023-05-12T07:20:16","modified_gmt":"2023-05-12T12:20:16","slug":"http-2-0-test-de-charge","status":"publish","type":"post","link":"https:\/\/www.loadview-testing.com\/fr\/blog\/http-2-0-test-de-charge\/","title":{"rendered":"HTTP 2.0 Test de charge"},"content":{"rendered":"[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.20.4&#8243; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_row admin_label=&#8221;ramer&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]\n<p>Nous acceptons tous le fait que nous devons am\u00e9liorer les performances de notre site Web et toute am\u00e9lioration par rapport au protocole HTTP peut fournir une excellente occasion d\u2019am\u00e9liorer le temps de chargement du site Web de mani\u00e8re significative. Il peut \u00eatre qualifi\u00e9 de l\u2019un des meilleurs moyens de battre nos concurrents, ce qui contribuera \u00e9ventuellement \u00e0 <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/blog\/reglage-des-performances-par-rapport-aux-tests-de-performance\/\">am\u00e9liorer l\u2019exp\u00e9rience utilisateur sur notre site Web<\/a>. Avant de plonger en profondeur sur HTTP\/2, et ses avantages, comprenons ce qu\u2019est un protocole par d\u00e9finition et pourquoi il est important.<\/p>\n<p>&nbsp;<\/p>\n<h2 id='qu-est-ce-qu-un-protocole'  id=\"boomdevs_1\">Qu\u2019est-ce qu\u2019un protocole<\/h2>\n<p>Un <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/blog\/test-de-charge-base-sur-le-protocole-une-approche-de-test-traditionnelle\/\">protocole<\/a> est un ensemble de r\u00e8gles qui r\u00e9gissent la communication de donn\u00e9es entre les clients (navigateurs Web) et les serveurs. Maintenant, en utilisant ce m\u00eame protocole, nous avions pr\u00e9c\u00e9demment HTTP 1.0 et maintenant nous avons sa version am\u00e9lior\u00e9e appel\u00e9e HTTP 2.0. En outre, il ya HTTP \/ 3, mais actuellement en mode \u00abbrouillon\u00bb. <a href=\"https:\/\/w3techs.com\/technologies\/details\/ce-http3\"> Selon W3Techs<\/a>, seulement 6,5 pour cent des sites Web utilisent HTTP\/3. Chrome et Firefox supportent actuellement HTTP\/3, mais il est d\u00e9sactiv\u00e9 par d\u00e9faut. HTTP\/3 aidera \u00e0 r\u00e9soudre certains probl\u00e8mes avec HTTP\/2, comme le blocage de la t\u00eate de ligne, qui provoque le d\u00e9crochage de toutes les transactions si un paquet est perdu ou r\u00e9organis\u00e9, m\u00eame si cette transaction n\u2019a pas \u00e9t\u00e9 affect\u00e9e par le paquet perdu.<\/p>\n<p>&nbsp;<\/p>\n<h2 id='qu-est-ce-que-http-2'  id=\"boomdevs_2\">Qu\u2019est-ce que HTTP\/2?<\/h2>\n<p>HTTP\/2 est le dernier protocole de transport de donn\u00e9es qui a consid\u00e9rablement acc\u00e9l\u00e9rer le web. HTTP \/ 2 rendra nos <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/le-guide-ultime-pour-les-tests-de-performance-du-site-web\/\">sites Web plus rapides<\/a>, plus simples et plus robustes face au <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/blog\/planification-de-laugmentation-du-trafic-web-planification-de-la-capacite-et-test-de-charge\/\">trafic<\/a> intense. L\u2019objectif principal de HTTP\/2 est de r\u00e9duire la latence en permettant le multiplexage sur demande et r\u00e9ponse, en minimisant les frais g\u00e9n\u00e9raux du protocole gr\u00e2ce \u00e0 une compression efficace des champs d\u2019en-t\u00eate HTTP et en priant en charge la priorisation des demandes.<\/p>\n<p>Et juste une note s\u00e9par\u00e9e: HTTP \/ 2 n\u2019a rien chang\u00e9 avec la s\u00e9mantique HTTP, nous entendons par l\u00e0 que les m\u00e9thodes HTTP, le <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/en-savoir-plus-sur-les-tests-de-charge\/comment-charger-les-applications-web-de-test\/\">code<\/a> d\u2019\u00e9tat, les URI et les champs d\u2019en-t\u00eate restent tels qu\u2019avant, ce qui aide toutes les applications en cours d\u2019ex\u00e9cution <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/produits\/web-applications\/\">sans impact<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h2 id='d-o\u00f9-vient-http-2'  id=\"boomdevs_3\">D\u2019o\u00f9 vient HTTP\/2?<\/h2>\n<p>HTTP\/2 \u00e9tait bas\u00e9 en grande partie sur le propre protocole de Google SPDY. Le protocole avait beaucoup des m\u00eames fonctionnalit\u00e9s trouv\u00e9es dans HTTP\/2 et a r\u00e9ussi \u00e0 am\u00e9liorer la transmission de donn\u00e9es tout en gardant la compatibilit\u00e9 vers l\u2019arri\u00e8re avec HTTP\/1. SPDY avait d\u00e9j\u00e0 prouv\u00e9 bon nombre des concepts utilis\u00e9s dans HTTP\/2.<\/p>\n<h3 id='nouveaut\u00e9s-dans-http-2'  id=\"boomdevs_4\">Nouveaut\u00e9s dans HTTP\/2<\/h3>\n<ul>\n<li>Binaire au lieu de Textual<\/li>\n<li>Push serveur<\/li>\n<li>Une connexion au lieu de multiples<\/li>\n<li>Hi\u00e9rarchisation des flux multiplex\u00e9s<\/li>\n<li>Compression sp\u00e9cifique \u00e0 l\u2019en-t\u00eate<\/li>\n<li>Demandes enti\u00e8rement multiplex\u00e9es<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3 id='principaux-avantages-de-http-2'  id=\"boomdevs_5\">Principaux avantages de HTTP\/2<\/h3>\n<ul>\n<li><strong>Multiplexage<\/strong>. Requ\u00eates multiples par connexion : le multiplexage en HTTP\/2 permet au client de charger plusieurs requ\u00eates sur la m\u00eame connexion, ce qui permet un temps de chargement <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/blog\/test-de-charge-navigateurs-simultanes-http-vs-concurrents-vs-utilisateurs-simultanes\/\">simultan\u00e9<\/a> plus rapide pour tous les \u00e9l\u00e9ments Web.<\/li>\n<li><strong>Compression HPack<\/strong>. HTTP\/2 transmet les demandes et r\u00e9ponses du serveur dans le code binaire, ce qui permet au client d\u2019interpr\u00e9ter les informations envoy\u00e9es. Cela am\u00e9liore \u00e0 la fois le temps de chargement et les performances g\u00e9n\u00e9rales.<\/li>\n<li><strong>Hi\u00e9rarchisation<\/strong>. La hi\u00e9rarchisation permet aux d\u00e9veloppeurs d\u2019allouer des niveaux de d\u00e9pendance pour leur code, ils obtiennent la faisabilit\u00e9 de charger les ressources essentielles en premier.<\/li>\n<li><strong>Soutenu par Google<\/strong>. HTTP\/2 a suivi les m\u00eames principes de SPDY.<\/li>\n<li><strong>HTTP\/2 Pousse serveur<\/strong>. Cette fonctionnalit\u00e9 permet au serveur d\u2019envoyer des informations mises en cache suppl\u00e9mentaires qui ne sont pas demand\u00e9es mais pr\u00e9vues dans la prochaine demande.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id='test-de-charge-http-2-0-avec-loadview'  id=\"boomdevs_6\">TEST DE CHARGE HTTP 2.0 avec LoadView<\/h2>\n<p>Nous allons utiliser <a href=\"https:\/\/www.loadview-testing.com\/fr\/\">Loadview<\/a>, qui fournit un soutien pour tester le stress HTTP 2.0 sites web bas\u00e9s et spin up n\u2019importe o\u00f9 de quelques-uns \u00e0 plusieurs milliers de connexions simultan\u00e9es en utilisant de vrais navigateurs. C\u2019est la meilleure fa\u00e7on d\u2019obtenir de vraies donn\u00e9es sur les performances des utilisateurs.<\/p>\n<p>&nbsp;<\/p>\n<h3 id='configuration-du-test-de-performance-loadview'  id=\"boomdevs_7\">Configuration du test de performance LoadView<\/h3>\n<p>Pour mettre \u00e0 l\u2019\u00e9chelle et <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/test-de-charge\/\">charger des tests<\/a> pour votre site Web, nous devons comprendre \u00e0 l\u2019avance quelle \u00e9chelle ou quel nombre d\u2019utilisateurs nous attendons sur notre site Web pour fonctionner de mani\u00e8re transparente. Une fois que nous avons les donn\u00e9es de l\u2019outil d\u2019analyse, nous pouvons commencer un test de charge \u00e9tape par \u00e9tape pour notre site Web avec les utilisateurs simultan\u00e9s souhait\u00e9s.<\/p>\n<p>Voici les \u00e9tapes pour ex\u00e9cuter un test de charge pour un site Web http 2.0 bas\u00e9:<\/p>\n<ol>\n<li>Ouvrez la page d\u2019accueil <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/comparer\/\">de LoadView<\/a> et s\u00e9lectionnez <em>Nouveau test<\/em>.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6238 size-large\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Create-New-Load-Test-1024x269.png\" alt=\"Cr\u00e9er un nouveau test de charge\" width=\"1024\" height=\"269\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Create-New-Load-Test-980x257.png 980w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Create-New-Load-Test-480x126.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<p>&nbsp;<\/p>\n<ol start=\"2\">\n<li>Comme vous pouvez le voir dans la capture d\u2019\u00e9cran ci-dessous, LoadView fournit des tests de charge pour plus que de nouveaux sites Web. Vous pouvez ex\u00e9cuter des tests pour les API, les applications Web et les m\u00e9dias en streaming. Nous allons s\u00e9lectionner la page <em>Web pour commencer le<\/em> processus de test de charge de notre site WEB HTTP 2.0.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6239 size-large\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Web-Page-Test-1024x455.png\" alt=\"Web Page Test\" width=\"1024\" height=\"455\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Web-Page-Test-980x435.png 980w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Web-Page-Test-480x213.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<p>&nbsp;<\/p>\n<ol start=\"3\">\n<li>Sur la page suivante, nous aurons besoin d\u2019ajouter notre nom d\u2019h\u00f4te du site web ainsi que le temps dont nous avons besoin de test de charge pour ex\u00e9cuter. Une fois que vos coordonn\u00e9es sont saisies, s\u00e9lectionnez <em>Cr\u00e9er l\u2019appareil<\/em>.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6240 size-large\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Create-New-Load-Test-Device-1024x671.png\" alt=\"Cr\u00e9er un nouveau dispositif de test de charge\" width=\"1024\" height=\"671\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Create-New-Load-Test-Device-980x642.png 980w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Create-New-Load-Test-Device-480x315.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<p>&nbsp;<\/p>\n<ol start=\"4\">\n<li>Une fois l\u2019appareil cr\u00e9\u00e9, nous sommes amen\u00e9s \u00e0 la page <em>Sc\u00e9nario de test,<\/em> o\u00f9 nous pouvons choisir parmi plusieurs types de courbes de charge &#8211; courbe bas\u00e9e sur la charge, courbe bas\u00e9e sur les objectifs et courbe r\u00e9glable dynamique. Selon les exigences de votre test sp\u00e9cifique, chaque courbe de charge vous offre la flexibilit\u00e9 n\u00e9cessaire pour atteindre les objectifs de votre test.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6241 size-large\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Test-Scenario-Screen-1024x868.png\" alt=\"\u00c9cran de sc\u00e9nario de test\" width=\"1024\" height=\"868\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Test-Scenario-Screen-1024x868.png 1024w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Test-Scenario-Screen-980x831.png 980w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Test-Scenario-Screen-480x407.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<p>&nbsp;<\/p>\n<ol start=\"5\">\n<li>Pour ce test, nous s\u00e9lectionnerons la courbe d\u2019\u00e9tape de charge et saisirons les d\u00e9tails du plan d\u2019ex\u00e9cution, comme le nombre d\u2019utilisateurs avec qui nous voulons commencer, le nombre que nous voulons augmenter, puis nous le conserverons pendant une p\u00e9riode prolong\u00e9e, si n\u00e9cessaire. Une fois que nous <em>s\u00e9lectionnons Continuer<\/em>, cela va commencer le test de charge.<\/li>\n<li>Une fois le test termin\u00e9 avec succ\u00e8s, nous serons en mesure de visualiser divers graphiques et mesures pour voir comment notre site Web et notre syst\u00e8me ont effectu\u00e9. Vous verrez les temps de r\u00e9ponse, les utilisateurs simultan\u00e9s et les erreurs, le cas \u00e9ch\u00e9ant, au cours du test. Cela nous donne les donn\u00e9es dont nous avons besoin pour apporter des am\u00e9liorations afin de nous assurer que nos syst\u00e8mes peuvent g\u00e9rer le nombre requis d\u2019utilisateurs que nous avons entrepris de tester.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6242 size-full\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Average-number-of-users-average-response-time.png\" alt=\"Nombre moyen d\u2019utilisateurs temps de r\u00e9ponse moyen\" width=\"786\" height=\"615\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Average-number-of-users-average-response-time.png 786w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/Average-number-of-users-average-response-time-480x376.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 786px, 100vw\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6243 size-full\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/HTTP2-average-response-time.png\" alt=\"R\u00c9PONSE MOYENNE HTTP2  \" width=\"764\" height=\"340\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/HTTP2-average-response-time.png 764w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/HTTP2-average-response-time-480x214.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 764px, 100vw\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6244 size-full\" src=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/HTTP2-execution-plan.png\" alt=\"Plan d\u2019ex\u00e9cution HTTP2\" width=\"793\" height=\"416\" srcset=\"https:\/\/www.loadview-testing.com\/wp-content\/uploads\/HTTP2-execution-plan.png 793w, https:\/\/www.loadview-testing.com\/wp-content\/uploads\/HTTP2-execution-plan-480x252.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 793px, 100vw\" \/><\/p>\n<h2 id='http-2-0-test-de-charge'  id=\"boomdevs_8\">HTTP 2.0 Test de charge<\/h2>\n<p>HTTP\/2 rendra nos sites Web plus rapides, plus simples et plus robustes \u00e0 un trafic dense. L\u2019objectif principal de HTTP\/2 est de r\u00e9duire la latence en permettant le multiplexage sur demande et r\u00e9ponse, en minimisant les frais g\u00e9n\u00e9raux du protocole par compression du champ d\u2019en-t\u00eate et en prieurant la priorit\u00e9 de la demande. Non seulement cela, les sites qui utilisent HTTP \/ 2 sont verront des classements de recherche plus \u00e9lev\u00e9s que Google les utilise dans leurs facteurs de classement.<\/p>\n<p>Tester les performances de votre site web peut parfois \u00eatre un processus ardu, mais il est essentiel de comprendre comment votre site r\u00e9agit \u00e0 l\u2019augmentation du trafic. Cependant, l\u2019utilisation d\u2019une <a class=\"inlinks\" href=\"https:\/\/www.loadview-testing.com\/fr\/en-savoir-plus-sur-les-tests-de-charge\/ce-qui-fait-une-plate-forme-exceptionnelle-de-test-de-charge\/\">solution<\/a> comme LoadView pour tester et valider les performances de votre site Web HTTP \/ 2 peut rendre l\u2019ensemble du processus facile et sans effort. Avec le soutien des derniers protocoles et technologies, vous pouvez vous assurer que les utilisateurs obtiennent l\u2019exp\u00e9rience rapide et coh\u00e9rente qu\u2019ils m\u00e9ritent.<\/p>\n<p>Si vous souhaitez ex\u00e9cuter des tests de performances pour vos tests de sites Web HTTP\/2 dans LoadView, vous pouvez <a href=\"https:\/\/userauth.dotcom-monitor.com\/Account\/LoadView-FreeTrialSignUp\">vous inscrire \u00e0 un essai gratuit pour obtenir des tests gratuits<\/a>. Commencez \u00e0 tester maintenant!<\/p>\n<p>Nous offrons \u00e9galement <a href=\"https:\/\/www.loadview-testing.com\/fr\/demo\/\">des d\u00e9monstrations priv\u00e9es en t\u00eate-\u00e0-t\u00eate LoadView avec l\u2019un de<\/a> nos ing\u00e9nieurs de performance. Ils peuvent vous guider \u00e0 travers le processus de configuration, de script et de test. Obtenez une vue d\u2019ensemble compl\u00e8te de la plate-forme LoadView, de ses fonctionnalit\u00e9s et de ses capacit\u00e9s.<\/p>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>Nous acceptons tous le fait que nous devons am\u00e9liorer les performances de notre site Web et toute am\u00e9lioration par rapport au protocole HTTP peut fournir une excellente occasion d\u2019am\u00e9liorer le temps de chargement du site Web de mani\u00e8re significative. Il peut \u00eatre qualifi\u00e9 de l\u2019un des meilleurs moyens de battre nos concurrents, ce qui contribuera [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":20756,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[549,511],"tags":[612,521,532],"class_list":["post-20748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-experience-utilisateur","category-tests-de-performance","tag-http-2-fr","tag-test-de-charge","tag-test-de-performance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HTTP 2.0 Test de charge - LoadView<\/title>\n<meta name=\"description\" content=\"HTTP\/2 rendra nos sites Web plus rapides, plus simples et plus robustes \u00e0 un trafic dense. 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