{"id":184265,"date":"2026-11-14T17:42:26","date_gmt":"2026-11-14T15:42:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/kompaniya-cloudflare-otkryla-kod-web-brauzera-kitesurf"},"modified":"2026-11-14T17:42:32","modified_gmt":"2026-11-14T15:42:32","slug":"cloudflare-open-sources-kitesurf-web-browser","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/cloudflare-open-sources-kitesurf-web-browser","title":{"rendered":"Firma Cloudflare otworzy\u0142a kod przegl\u0105darki internetowej Kitesurf","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Cloudflare og\u0142osi\u0142a otwarcie kodu \u017ar\u00f3d\u0142owego przegl\u0105darki internetowej Kitesurf, zaprojektowanej do u\u017cycia przez agent\u00f3w AI i boty. Kitesurf obs\u0142uguje analiz\u0119 HTML, zastosowanie styl\u00f3w CSS, uruchamianie JavaScript i generowanie zrzut\u00f3w ekranu, ale jednocze\u015bnie pozbawiona jest komplikacji i zb\u0119dnych element\u00f3w stworzonych dla ludzi, a bezu\u017cytecznych dla bot\u00f3w. Eliminacja takich mo\u017cliwo\u015bci jak idealna renderowanie oraz wsparcie dla rozszerze\u0144 pozwoli\u0142a znacznie zmniejszy\u0107 obci\u0105\u017cenie CPU i zu\u017cycie pami\u0119ci. Kod napisany jest w j\u0119zykach Rust i TypeScript i rozpowszechniany na licencji Apache 2.0. <\/p>\n<p>Zamiast ci\u0119\u017ckich silnik\u00f3w przegl\u0105darkowych, w Kitesurf wykorzystano otwarte biblioteki napisane w j\u0119zyku Rust: Blitz do analizy HTML, pracy z DOM, kompozycji i renderowania strony; Stylo (wykorzystywany w Firefox) do przetwarzania CSS; Boa do wykonywania JavaScript i wsparcia WebAssembly; Linebender do pracy z tekstem i grafik\u0105 2D; Krilla do generowania wyj\u015bcia w formacie PDF.<\/p>\n<p>W por\u00f3wnaniu do u\u017cycia silnika Chromium, podczas wykonywania operacji tworzenia zrzut\u00f3w ekranu w Kitesurf zauwa\u017cono zmniejszenie obci\u0105\u017cenia CPU o 3,1 razy oraz zmniejszenie zu\u017cycia pami\u0119ci o 4,7 razy, a przy analizie HTML - odpowiednio o 3,8 oraz 7 razy. Ca\u0142kowity czas wykonania test\u00f3w okaza\u0142 si\u0119 by\u0107 o 1,7 i 1,8 razy wolniejszy z powodu zimnego startu, rastrowania i kodowania w JPEG\/PNG. <\/p>\n<p>Kitesurf pomy\u015blnie przeszed\u0142 ponad 215 tysi\u0119cy test\u00f3w z pakietu WPT (Web Platform Tests), poprawnie renderuje strony typowych witryn, takich jak Wikipedia, obs\u0142uguje r\u00f3\u017cne frameworki webowe (React, Vue, Angular, Preact) i jest w stanie uruchomi\u0107 gr\u0119 Doom, skompilowan\u0105 w WebAssembly.<br \/>\nZauwa\u017cono, \u017ce ograniczenia obejmuj\u0105 brak wsparcia dla odtwarzania wideo, WebGL, skomplikowanych skrypt\u00f3w do weryfikacji captchy oraz d\u0142ugoterminowych uwierzytelnionych sesji wymagaj\u0105cych zachowania stanu.<\/p>\n<p>Przegl\u0105darka sk\u0142ada si\u0119 z trzech komponent\u00f3w: <\/p>\n<ul>\n<li class=\"l\"> Silnik do zarz\u0105dzania sesjami, przetwarzania po\u0142\u0105cze\u0144 klienckich i wsparcia dla protoko\u0142u CDP (Chrome DevTools Protocol);\n<li class=\"l\"> PageScript do izolowanego przetwarzania stron webowych i wykonywania JavaScript;\n<li class=\"l\"> PageRenderer do renderowania stron, generowania zrzut\u00f3w ekranu i eksportu do PDF.\n<\/ul>\n<p>Komponenty s\u0105 od siebie izolowane i maj\u0105 dost\u0119p tylko do niezb\u0119dnych zasob\u00f3w. Praca odbywa si\u0119 w trybie Stateless bez zachowania stanu.<\/p>\n<p><center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/917d486a3cae99fb797179a82f07a848.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>Kitesurf jest zaprojektowany do uruchamiania na platformie Cloudflare Workers (dost\u0119pny otwarty runtime workerd) z kompilacj\u0105 do WebAssembly, ale mo\u017ce by\u0107 u\u017cywany nie tylko w infrastrukturze Cloudflare, ale tak\u017ce na lokalnych systemach z Node.js. Do zarz\u0105dzania i automatyzacji interakcji z Kitesurf zaleca si\u0119 korzystanie z Web API za po\u015brednictwem WebSocket, interfejsu wiersza polece\u0144 oraz protoko\u0142u CDP zgodnego z bibliotek\u0105 Puppeteer.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66689\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cloudflare \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Kitesurf, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f AI-\u0430\u0433\u0435\u043d\u0442\u0430\u043c\u0438 \u0438 \u0431\u043e\u0442\u0430\u043c\u0438. Kitesurf \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0440\u0430\u0437\u0431\u043e\u0440 HTML, \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 CSS-\u0441\u0442\u0438\u043b\u0435\u0439, \u0437\u0430\u043f\u0443\u0441\u043a JavaScript \u0438 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044e \u0441\u043a\u0440\u0438\u043d\u0448\u043e\u0442\u043e\u0432, \u043d\u043e \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u043b\u0438\u0448\u0451\u043d \u0443\u0441\u043b\u043e\u0436\u043d\u0435\u043d\u0438\u0439 \u0438 \u0438\u0437\u043b\u0438\u0448\u0435\u0441\u0442\u0432, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u043b\u044e\u0434\u0435\u0439 \u0438 \u0431\u0435\u0441\u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0445 \u0434\u043b\u044f \u0431\u043e\u0442\u043e\u0432. \u0418\u0437\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0442 \u0442\u0430\u043a\u0438\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439, \u043a\u0430\u043a \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u0430\u044f \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0430 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u0438 \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u0441\u043d\u0438\u0437\u0438\u0442\u044c \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-184265","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com 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