[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.cewood.cz\/webovy-prohlizec\/#Article","mainEntityOfPage":"https:\/\/www.cewood.cz\/webovy-prohlizec\/","headline":"Webov\u00fd prohl\u00ed\u017ee\u010d","name":"Webov\u00fd prohl\u00ed\u017ee\u010d","description":"Webov\u00fd prohl\u00ed\u017ee\u010d je program, kter\u00fd dnes u\u017e nalezneme v \u00fapln\u011b ka\u017ed\u00e9m po\u010d\u00edta\u010di. Nach\u00e1z\u00ed se u\u017e po prvn\u00ed instalaci v opera\u010dn\u00edm syst\u00e9mu. J\u00e1 dnes nezn\u00e1m po\u010d\u00edta\u010d, kter\u00fd by nem\u011bl webov\u00fd prohl\u00ed\u017ee\u010d. Nemaj\u00ed ho jen n\u011bjak\u00e9 muzejn\u00ed expon\u00e1ty \u010di speci\u00e1ln\u00ed PC, kter\u00e9 se pou\u017e\u00edvaj\u00ed k \u0159\u00edzen\u00ed stroj\u016f atd. Jak u\u017e z n\u00e1zvu vypl\u00fdv\u00e1, jedn\u00e1 se o...","datePublished":"2019-11-16","dateModified":"2023-06-08","author":{"@type":"Person","@id":"https:\/\/www.cewood.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.cewood.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9d25b0af9840660883a67790aa4f595ddc226aa4680c4cf7bc03a25c14fcef85?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9d25b0af9840660883a67790aa4f595ddc226aa4680c4cf7bc03a25c14fcef85?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"cewood.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.cewood.cz\/wp-content\/uploads\/img_a362211_w4352_t1575131835.png","url":"https:\/\/www.cewood.cz\/wp-content\/uploads\/img_a362211_w4352_t1575131835.png","height":0,"width":0},"url":"https:\/\/www.cewood.cz\/webovy-prohlizec\/","about":["Web"],"wordCount":475,"articleBody":"Webov\u00fd prohl\u00ed\u017ee\u010d je program, kter\u00fd dnes u\u017e nalezneme v \u00fapln\u011b ka\u017ed\u00e9m po\u010d\u00edta\u010di. Nach\u00e1z\u00ed se u\u017e po prvn\u00ed instalaci v opera\u010dn\u00edm syst\u00e9mu. J\u00e1 dnes nezn\u00e1m po\u010d\u00edta\u010d, kter\u00fd by nem\u011bl webov\u00fd prohl\u00ed\u017ee\u010d. Nemaj\u00ed ho jen n\u011bjak\u00e9 muzejn\u00ed expon\u00e1ty \u010di speci\u00e1ln\u00ed PC, kter\u00e9 se pou\u017e\u00edvaj\u00ed k \u0159\u00edzen\u00ed stroj\u016f atd. Jak u\u017e z n\u00e1zvu vypl\u00fdv\u00e1, jedn\u00e1 se o program, kter\u00fd n\u00e1m zobrazuje webov\u00e9 str\u00e1nky. Jak vlastn\u011b takov\u00fd prohl\u00ed\u017ee\u010d funguje?N\u011bkomu se m\u016f\u017ee zd\u00e1t fungov\u00e1n\u00ed prohl\u00ed\u017ee\u010de velmi jednoduch\u00e9, pro n\u011bkoho bude velmi slo\u017eit\u00e9.\u00dapln\u011b ka\u017ed\u00e1 webov\u00e1 str\u00e1nka je naps\u00e1na v n\u011bjak\u00e9m programovac\u00edm jazyce. Dnes to v\u011bt\u0161inou b\u00fdv\u00e1 bu\u010f HTML (Hypertext Markup Language), ve kter\u00e9m se pou\u017e\u00edvaj\u00ed i kask\u00e1dov\u00e9 styly (CSS), co\u017e je vlastn\u011b grafika p\u00edsma, obr\u00e1zk\u016f atd. V\u0161echny k\u00f3dy webov\u00fdch str\u00e1nek napsan\u00fdch v programovac\u00edch jazyc\u00edch jsou ulo\u017een\u00e9 na serveru a po vyhled\u00e1n\u00ed v prohl\u00ed\u017ee\u010di se tyto k\u00f3dy p\u0159enesou protokolem HTTPS do prohl\u00ed\u017ee\u010de, kter\u00fd si je p\u0159elo\u017e\u00ed a posl\u00e9ze je zobraz\u00ed. M\u016f\u017eeme \u0159\u00edci, \u017ee webov\u00e1 str\u00e1nka je jen smet\u00ed textu, kter\u00e9 ale prohl\u00ed\u017ee\u010d prom\u011bn\u00ed v n\u00e1dhernou webovou str\u00e1nku. Je velmi zaj\u00edmav\u00e9, \u017ee to funguje pr\u00e1v\u011b takto a mysl\u00edm si, \u017ee v\u011bt\u0161ina lid\u00ed ani nev\u00ed, \u017ee to tak funguje.Prohl\u00ed\u017ee\u010de jsou dnes u\u017e v mnohem modern\u011bj\u0161\u00edm stavu, ne\u017e byly p\u0159ed n\u011bkolika lety. \u00dapln\u011b prvn\u00ed prohl\u00ed\u017ee\u010de asi v\u016fbec netu\u0161ili, co to znamen\u00e1 slovo „z\u00e1lo\u017eka“ \u010di neum\u011bli ukl\u00e1dat hesla. Dne\u0161n\u00ed prohl\u00ed\u017ee\u010de, u\u017e um\u011bj\u00ed ukl\u00e1dat webov\u00e9 str\u00e1nky do z\u00e1lo\u017eek, kde si je m\u016f\u017eeme r\u016fzn\u011b t\u0159\u00eddit do slo\u017eek. Adresn\u00ed \u0159\u00e1dek funguje jako vyhled\u00e1va\u010d a spoustu dal\u0161\u00edch vymo\u017eenost\u00ed, bez kter\u00fdch u\u017e si ani neum\u00edme prohl\u00ed\u017ee\u010d p\u0159edstavit.V prvn\u00edch prohl\u00ed\u017ee\u010d\u00edch se ani nemohlo vyhled\u00e1vat podle n\u00e1zvu adresy, ale museli se do adresn\u00edho \u0159\u00e1dku zad\u00e1vat cel\u00e9 IP adresy serveru. S p\u0159\u00edchodem slu\u017eby DNS (Domain Name System) se na to mohlo zapomenout, proto\u017ee server, kter\u00fd m\u00e1 na starosti DNS p\u0159elo\u017e\u00ed textov\u00e9 n\u00e1zvy na IP adresu. Nap\u0159\u00edklad takto: str\u00e1nku nejzn\u00e1m\u011bj\u0161\u00edho vyhled\u00e1va\u010de Google p\u0159elo\u017e\u00ed DNS server na 216.58.201.67.Prohl\u00ed\u017ee\u010de se za l\u00e9ta sv\u00e9 existence velmi zm\u011bnili. Uvid\u00edme, jak se budou rozv\u00edjet d\u00e1le, jak budou vypadat a co v\u0161e budou um\u011bt za n\u011bkolik let.                                                                                                                                                                                                                                                                                                                                                                                        4.7\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Webov\u00fd prohl\u00ed\u017ee\u010d","item":"https:\/\/www.cewood.cz\/webovy-prohlizec\/#breadcrumbitem"}]}]