{"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\/hu\/blog\/news\/v-chrome-106-budet-prekrashhena-podderzhka-tehnologii-server-push","title":{"rendered":"A Chrome 106-ban megsz\u0171nik a Server Push technol\u00f3gia t\u00e1mogat\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google figyelmeztetett a Server Push technol\u00f3gia t\u00e1mogat\u00e1s\u00e1nak le\u00e1ll\u00edt\u00e1s\u00e1r\u00f3l a Chrome 106-os v\u00e1ltozat\u00e1ban, amely szeptember 27-\u00e9n esed\u00e9kes. A v\u00e1ltoz\u00e1sok m\u00e1s Chromium alap\u00fa b\u00f6ng\u00e9sz\u0151ket is \u00e9rintenek. A Server Push technol\u00f3gia szerepel az HTTP\/2 \u00e9s HTTP\/3 szabv\u00e1nyokban, \u00e9s lehet\u0151v\u00e9 teszi, hogy a szerver er\u0151forr\u00e1sokat k\u00fcldj\u00f6n az \u00fcgyf\u00e9lnek, an\u00e9lk\u00fcl hogy azokat kifejezetten k\u00e9rni kellene. Ez\u00e1ltal a szerver felgyors\u00edthatja az oldal bet\u00f6lt\u00e9s\u00e9t, mivel a lap megjelen\u00edt\u00e9s\u00e9hez sz\u00fcks\u00e9ges CSS f\u00e1jlok, szkriptek \u00e9s k\u00e9pek m\u00e1r a k\u00e9r\u00e9s pillanat\u00e1ban \u00e1tad\u00e1sra ker\u00fclnek az \u00fcgyf\u00e9lhez. <\/p>\n

A t\u00e1mogat\u00e1s le\u00e1ll\u00edt\u00e1s\u00e1nak oka a technol\u00f3gia megval\u00f3s\u00edt\u00e1s\u00e1nak t\u00falbonyol\u00edt\u00e1sa, mivel l\u00e9teznek egyszer\u0171bb \u00e9s ugyanolyan hat\u00e9kony alternat\u00edv\u00e1k, mint p\u00e9ld\u00e1ul a c\u00edmke, amely alapj\u00e1n a b\u00f6ng\u00e9sz\u0151 k\u00e9pes az er\u0151forr\u00e1st k\u00e9rni, an\u00e9lk\u00fcl hogy megv\u00e1rn\u00e1 annak haszn\u00e1lat\u00e1t az oldalon. Egyr\u00e9szt a preload a Server Push-hoz k\u00e9pest felesleges csomagcser\u00e9t (RTT) eredm\u00e9nyez, de m\u00e1sr\u00e9szt lehet\u0151v\u00e9 teszi az olyan er\u0151forr\u00e1sok k\u00fcld\u00e9s\u00e9nek elker\u00fcl\u00e9s\u00e9t, amelyek m\u00e1r a b\u00f6ng\u00e9sz\u0151 gyors\u00edt\u00f3t\u00e1r\u00e1ban tal\u00e1lhat\u00f3k. \u00d6sszess\u00e9g\u00e9ben a Server Push \u00e9s a preload haszn\u00e1lata k\u00f6z\u00f6tti k\u00e9s\u00e9sek elt\u00e9r\u00e9seit l\u00e9nyegtelenn\u00e9 tekintj\u00fck. <\/p>\n

Az el\u0151zetes bet\u00f6lt\u00e9s kezdem\u00e9nyez\u00e9s\u00e9hez a a szerver<\/a> 103-as HTTP v\u00e1laszk\u00f3d javasolt, amely lehet\u0151v\u00e9 teszi, hogy az \u00fcgyf\u00e9l sz\u00e1m\u00e1ra azonnal t\u00e1j\u00e9koztassuk bizonyos HTTP fejl\u00e9c tartalm\u00e1r\u00f3l a k\u00e9r\u00e9s ut\u00e1n, an\u00e9lk\u00fcl hogy meg kellene v\u00e1rni, am\u00edg a szerver v\u00e9grehajtja az \u00f6sszes kapcsol\u00f3d\u00f3 m\u0171veletet \u00e9s elkezdi a tartalom \u00e1tad\u00e1s\u00e1t. Ezen m\u00f3don inform\u00e1lhatjuk a rel\u00e1ci\u00f3s elemekr\u0151l, amelyek el\u0151re bet\u00f6lthet\u0151k (p\u00e9ld\u00e1ul megadhat\u00f3k a CSS \u00e9s JavaScript linkek, amelyeket az oldalon haszn\u00e1lnak). A b\u00f6ng\u00e9sz\u0151 a megkapott inform\u00e1ci\u00f3k alapj\u00e1n elkezdheti ezeknek az er\u0151forr\u00e1soknak a bet\u00f6lt\u00e9s\u00e9t, an\u00e9lk\u00fcl hogy meg kellene v\u00e1rnia a f\u0151 oldal \u00e1tad\u00e1s\u00e1nak befejez\u00e9s\u00e9t, ezzel cs\u00f6kkentve az \u00f6sszes k\u00e9relem feldolgoz\u00e1s\u00e1nak idej\u00e9t. <\/p>\n

A forr\u00e1sok bet\u00f6lt\u00e9s\u00e9nek optimaliz\u00e1l\u00e1s\u00e1n k\u00edv\u00fcl a Server Push mechanizmus<\/a> az adatok szerverr\u0151l kliensre t\u00f6rt\u00e9n\u0151 streamel\u00e9s\u00e9re is haszn\u00e1lhat\u00f3 volt, de erre a c\u00e9lra a W3C konzorcium a WebTransport protokollt fejleszti. A WebTransport kommunik\u00e1ci\u00f3s csatorn\u00e1ja az HTTP\/3 f\u00f6l\u00e9 \u00e9p\u00fcl, \u00e9s a QUIC protokollt haszn\u00e1lja sz\u00e1ll\u00edt\u00e1si m\u00f3dk\u00e9nt. A WebTransport olyan fejlett lehet\u0151s\u00e9geket k\u00edn\u00e1l, mint a t\u00f6bbsz\u00e1l\u00fa adat\u00e1tvitel, egyir\u00e1ny\u00fa adatfolyamok, csomagok sorrendje n\u00e9lk\u00fcli k\u00e9zbes\u00edt\u00e9s (out-of-order), megb\u00edzhat\u00f3 \u00e9s megb\u00edzhatatlan k\u00e9zbes\u00edt\u00e9si m\u00f3dok. <\/p>\n

A Google statisztik\u00e1i szerint a Server Push technol\u00f3gia nem terjedt el kell\u0151k\u00e9ppen. Annak ellen\u00e9re, hogy a Server Push szerepel az HTTP\/3 specifik\u00e1ci\u00f3j\u00e1ban, a gyakorlatban sok szerver- \u00e9s kliensprogram, bele\u00e9rtve a Chrome b\u00f6ng\u00e9sz\u0151t, kezdetben nem val\u00f3s\u00edtotta meg. 2021-ben k\u00f6r\u00fclbel\u00fcl 1,25%-a a HTTP\/2-t haszn\u00e1l\u00f3 weboldalaknak alkalmazta a Server Push-t. Ebben az \u00e9vben ez az ar\u00e1ny 0,7%-ra cs\u00f6kkent.
\n
Forr\u00e1s: 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\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\udd47A Chrome 106-ban megsz\u0171nik a Server Push technol\u00f3gia t\u00e1mogat\u00e1sa | ProHoster","description":"A Google figyelmeztetett a Server Push technol\u00f3gia t\u00e1mogat\u00e1s\u00e1nak megsz\u00fcntet\u00e9s\u00e9re a Chrome 106-os kiad\u00e1s\u00e1ban, amely szeptember 27-\u00e9n v\u00e1rhat\u00f3. 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