{"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\/pl\/blog\/news\/v-chrome-106-budet-prekrashhena-podderzhka-tehnologii-server-push","title":{"rendered":"W Chrome 106 zako\u0144czy si\u0119 wsparcie dla technologii Server Push","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Firma Google ostrzeg\u0142a o zako\u0144czeniu wsparcia dla technologii Server Push w wersji Chrome 106, zaplanowanej na 27 wrze\u015bnia. Zmiany b\u0119d\u0105 dotyczy\u0142y r\u00f3wnie\u017c innych przegl\u0105darek opartych na bazie kodu Chromium. Technologia Server Push zosta\u0142a okre\u015blona w standardach HTTP\/2 i HTTP\/3 i pozwala serwerowi na wysy\u0142anie zasob\u00f3w do klienta bez czekania na ich eksplicytne \u017c\u0105danie. Zak\u0142ada si\u0119, \u017ce w ten spos\u00f3b serwer mo\u017ce przyspieszy\u0107 \u0142adowanie strony, poniewa\u017c niezb\u0119dne do renderowania strony pliki CSS, skrypty i obrazy b\u0119d\u0105 ju\u017c przes\u0142ane, gdy klient je za\u017c\u0105da. <\/p>\n

Jako przyczyn\u0119 zako\u0144czenia wsparcia wskazano nadmierne skomplikowanie implementacji technologii przy istnieniu prostszych i r\u00f3wnie skutecznych alternatyw, takich jak tag , na podstawie kt\u00f3rego przegl\u0105darka mo\u017ce za\u017c\u0105da\u0107 zasobu, nie czekaj\u0105c na jego u\u017cycie na stronie. Z jednej strony, preload w por\u00f3wnaniu do Server Push prowadzi do dodatkowej wymiany pakiet\u00f3w (RTT), ale z drugiej pozwala unikn\u0105\u0107 wysy\u0142ania zasob\u00f3w, kt\u00f3re ju\u017c znajduj\u0105 si\u0119 w cache przegl\u0105darki. Og\u00f3lnie r\u00f3\u017cnice w op\u00f3\u017anieniach przy u\u017cyciu Server Push i preload s\u0105 uwa\u017cane za nieistotne. <\/p>\n

Aby zainicjowa\u0107 prewencyjne \u0142adowanie po stronie serwera<\/a> zaleca si\u0119 u\u017cycie kodu odpowiedzi HTTP 103, kt\u00f3ry pozwala poinformowa\u0107 klienta o zawarto\u015bci niekt\u00f3rych nag\u0142\u00f3wk\u00f3w HTTP natychmiast po \u017c\u0105daniu, nie czekaj\u0105c, a\u017c serwer wykona wszystkie zwi\u0105zane z \u017c\u0105daniem operacje i zacznie przekazywa\u0107 tre\u015b\u0107. W ten spos\u00f3b mo\u017cna informowa\u0107 o elementach zwi\u0105zanych z przekazywan\u0105 stron\u0105, kt\u00f3re mog\u0105 by\u0107 wst\u0119pnie za\u0142adowane (na przyk\u0142ad mo\u017cna wskaza\u0107 linki do u\u017cywanych na stronie plik\u00f3w CSS i JavaScript). Otrzymuj\u0105c informacje o takich zasobach, przegl\u0105darka mo\u017ce rozpocz\u0105\u0107 ich \u0142adowanie, nie czekaj\u0105c na zako\u0144czenie przekazywania g\u0142\u00f3wnej strony, co pozwala skr\u00f3ci\u0107 ca\u0142kowity czas przetwarzania \u017c\u0105dania. <\/p>\n

Opr\u00f3cz optymalizacji \u0142adowania zasob\u00f3w, mechanizm Server Push<\/a> mog\u0142o by\u0107 r\u00f3wnie\u017c u\u017cywane do przesy\u0142ania danych z serwera do klienta, ale w tym celu konsorcjum W3C rozwija protok\u00f3\u0142 WebTransport. Kana\u0142 komunikacyjny w WebTransport jest organizowany na poziomie HTTP\/3 z wykorzystaniem protoko\u0142u QUIC jako transportu. WebTransport oferuje zaawansowane mo\u017cliwo\u015bci, takie jak organizacja przesy\u0142u w wielu strumieniach, strumienie jednokierunkowe, dostarczanie bez uwzgl\u0119dnienia kolejno\u015bci wysy\u0142ania pakiet\u00f3w (out-of-order), niezawodne i niezawodne tryby dostarczania. <\/p>\n

Wed\u0142ug statystyk Google technologia Server Push nie zyska\u0142a odpowiedniej popularno\u015bci. Mimo \u017ce Server Push jest obecny w specyfikacji HTTP\/3, w praktyce wiele produkt\u00f3w oprogramowania serwerowego i klienckiego, w tym przegl\u0105darka Chrome, pierwotnie jej nie zaimplementowa\u0142o. W 2021 roku oko\u0142o 1,25% stron dzia\u0142aj\u0105cych na HTTP\/2 korzysta\u0142o z Server Push. W tym roku wska\u017anik ten spad\u0142 do 0,7%.
\n
\u0179r\u00f3d\u0142o: 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\udd47W Chrome 106 zako\u0144czone zostanie wsparcie dla technologii Server Push | ProHoster","description":"Firma Google ostrzeg\u0142a o zako\u0144czeniu wsparcia technologii Server Push w wersji Chrome 106, zaplanowanej na 27 wrze\u015bnia. Zmiany te wp\u0142yn\u0105 r\u00f3wnie\u017c na inne przegl\u0105darki oparte na kodzie \u017ar\u00f3d\u0142owym Chromium.","canonical_url":"https:\/\/prohoster.info\/pl\/blog\/news\/v-chrome-106-budet-prekrashhena-podderzhka-tehnologii-server-push","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pl_PL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 Chrome 106 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Server Push | 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