{"id":4188,"date":"2020-10-14T14:22:00","date_gmt":"2020-10-14T12:22:00","guid":{"rendered":"https:\/\/help.marketingminer.com\/?post_type=kb&#038;p=4188"},"modified":"2020-10-27T09:46:30","modified_gmt":"2020-10-27T08:46:30","slug":"co-je-alt-text-tag-alebo-seo-pre-obrazky","status":"publish","type":"kb","link":"https:\/\/help.marketingminer.com\/sk\/clanok\/co-je-alt-text-tag-alebo-seo-pre-obrazky\/","title":{"rendered":"\u010co je ALT text (tag) alebo SEO pre obr\u00e1zky"},"content":{"rendered":"\n<p><strong>Alt text<\/strong> (alternat\u00edvny text) m\u00e1 viac zau\u017e\u00edvan\u00fdch n\u00e1zvov, ako napr\u00edklad <strong>alt tag, alt popis<\/strong> alebo <strong>alt atrib\u00fat<\/strong>. Je to sp\u00f4sob, ak\u00fdm dok\u00e1\u017eeme v HTML pop\u00edsa\u0165, \u010do sa nach\u00e1dza na obr\u00e1zku.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/ALT-text-SK.png\" alt=\"ALT text je sp\u00f4sob, ak\u00fdm dok\u00e1\u017eeme v HTML pop\u00edsa\u0165 \u010do sa nach\u00e1dza na obr\u00e1zku. \" class=\"wp-image-4189\" width=\"400\" height=\"450\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/ALT-text-SK.png 800w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/ALT-text-SK-267x300.png 267w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/ALT-text-SK-768x864.png 768w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Uk\u00e1\u017eka z\u00e1pisu ALT tagu v HTML:&nbsp;<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;img src=\u201cobrazek-alt-tag.jpg\u201d alt=\u201cuk\u00e1\u017ekov\u00fd alt popis obr\u00e1zku\u201d title=\u201ctooltip obr\u00e1zku\u201d&gt;<\/pre>\n\n\n\n<p>V tomto pr\u00edpade m\u00e1 <strong>alt atrib\u00fat<\/strong> vyplnen\u00fa hodnotu <strong>uk\u00e1\u017ekov\u00fd<\/strong> <strong>alt popis obr\u00e1zku<\/strong>.<\/p>\n\n\n\n<h2>ALT vs Title atrib\u00fat<\/h2>\n\n\n\n<p>V prvom rade si mus\u00edme poveda\u0165, \u017ee ani jeden z t\u00fdchto dvoch atrib\u00fatov <strong>nie je povinn\u00fd<\/strong> (\u010di\u017ee ho pri obr\u00e1zkoch nemus\u00edte vyu\u017e\u00edva\u0165).&nbsp;<\/p>\n\n\n\n<p>Ako si m\u00f4\u017eete v\u0161imn\u00fa\u0165 v uk\u00e1\u017ekovom zdrojom k\u00f3de vy\u0161\u0161ie, tak m\u00e1me vyplnen\u00fd aj <strong>alt <\/strong>atrib\u00fat aj <strong>title<\/strong>. V\u00e4\u010d\u0161ina \u013eud\u00ed si v\u0161ak m\u00fdli tieto dva atrib\u00faty a nevie ak\u00fd je medzi nimi rozdiel.&nbsp;<\/p>\n\n\n\n<ul><li><strong>ALT<\/strong> &#8211; popis toho, \u010do sa na obr\u00e1zku nach\u00e1dza (pre zrakovo postihnut\u00fdch a pre robotov). V pr\u00edpade, \u017ee sa obr\u00e1zok nena\u010d\u00edta, tak sa zobraz\u00ed text vyplnen\u00fd v tomto atrib\u00fate.&nbsp;<\/li><li><strong>Title<\/strong> &#8211; je to textov\u00fd <strong>tooltip<\/strong>, ktor\u00fd sa zobraz\u00ed po prejden\u00ed my\u0161ou na dan\u00fd obr\u00e1zok. Pri mobiln\u00fdch zariadeniach nem\u00e1 \u017eiadne vyu\u017eitie.&nbsp;&nbsp;<\/li><\/ul>\n\n\n\n<p>Rozdiel je ve\u013emi pekne vidie\u0165 na obr\u00e1zku ni\u017e\u0161ie, kde v\u013eavo je <strong>ALT text, ktor\u00fd sa zobrazil po nena\u010d\u00edtan\u00ed obr\u00e1zku<\/strong>. Vpravo vid\u00edme po prejden\u00fd my\u0161ou na obr\u00e1zok, \u017ee sa zobrazil <strong>tooltip text zadan\u00fd v title atrib\u00fate<\/strong>:\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"400\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/alt-text-vs-title-text.png\" alt=\"ALT text vs Title text (ak\u00fd je medzi nimi rozdiel)\" class=\"wp-image-4197\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/alt-text-vs-title-text.png 800w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/alt-text-vs-title-text-300x150.png 300w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/alt-text-vs-title-text-768x384.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Ak by sme ani jeden atrib\u00fat nevyplnili, tak by sa ni\u010d z toho nezobrazilo. Tento \u010dl\u00e1nok sa v\u0161ak bude viac s\u00fastredi\u0165 na atrib\u00fat ALT, tak\u017ee si po\u010fme nap\u00edsa\u0165 nejak\u00e9 d\u00f4vody, pre\u010do je d\u00f4le\u017eit\u00e9 ALT text vyp\u013a\u0148a\u0165.&nbsp;<\/p>\n\n\n\n<h2>Pre\u010do je d\u00f4le\u017eit\u00e9 ALT text vyplni\u0165<\/h2>\n\n\n\n<p>Toto je 5 najd\u00f4le\u017eitej\u0161\u00edch bodov, pre\u010do by ste mali vyp\u013a\u0148a\u0165 ALT text pri obr\u00e1zkoch:<\/p>\n\n\n\n<h3>1. Zlep\u0161uje hodnotenie v obr\u00e1zkovom vyh\u013ead\u00e1van\u00ed Google Images<\/h3>\n\n\n\n<p>Pod\u013ea <a href=\"https:\/\/sparktoro.com\/blog\/less-than-half-of-google-searches-now-result-in-a-click\/\">\u0161t\u00fadie, ktor\u00fa robili v 2019 v Sparktoro<\/a> (vi\u010f. graf ni\u017e\u0161ie) je obr\u00e1zkov\u00e9 vyh\u013ead\u00e1vanie v Google Images druh\u00fdm najv\u00e4\u010d\u0161\u00edm miestom, kde \u013eudia nie\u010do h\u013eadaj\u00fa.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"576\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/search-engine-market-share-q2-2019.png\" alt=\"Search engine market share Q2 2019 - podiel vyh\u013ead\u00e1va\u010dov 2019\" class=\"wp-image-4200\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/search-engine-market-share-q2-2019.png 1024w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/search-engine-market-share-q2-2019-300x169.png 300w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/search-engine-market-share-q2-2019-768x432.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Podrobn\u00fdm vyplnen\u00edm alt textu sa v\u00e1\u0161 obr\u00e1zok m\u00f4\u017ee zobrazova\u0165 vo vyh\u013ead\u00e1van\u00ed Google Images na r\u00f4zne long-tail v\u00fdrazy a prinies\u0165 aj <strong>zauj\u00edmav\u00fa n\u00e1v\u0161tevnos\u0165<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Jedn\u00e1 sa hlavne o segmenty, kde je pre \u013eud\u00ed d\u00f4le\u017eit\u00e9 vidie\u0165 dan\u00fd produkt e\u0161te pred n\u00e1kupom (napr. jedlo, m\u00f3da&#8230;).<\/p>\n\n\n\n<p><strong>Obr\u00e1zkov\u00fd box vo fulltexte<\/strong><\/p>\n\n\n\n<p>Net\u00fdka sa to v\u0161ak len vyh\u013ead\u00e1vania v <a href=\"https:\/\/images.google.com\/\">Google Images<\/a>, preto\u017ee postupne Google st\u00e1le viac a viac pretl\u00e1\u010da r\u00f4zne <a href=\"https:\/\/help.marketingminer.com\/sk\/clanok\/zoznam-serp-rozsireni-na-google\/\">SERP roz\u0161\u00edrenia<\/a> do fulltextov\u00e9ho vyh\u013ead\u00e1vania.&nbsp;<\/p>\n\n\n\n<p>Na obr\u00e1zku ni\u017e\u0161ie m\u00f4\u017eete vidie\u0165, \u017ee po zadan\u00ed h\u013eadania email template n\u00e1m to vyhodilo prv\u00fd organick\u00fd v\u00fdsledok a n\u00e1sledne roz\u0161\u00edrenie <strong>Images box<\/strong> (box s obr\u00e1zkami) a a\u017e potom \u010fal\u0161ie organick\u00e9 v\u00fdsledky.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"874\" height=\"947\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/images-box-uk\u00e1\u017eka.png\" alt=\"Uk\u00e1\u017eka obr\u00e1zkov\u00e9ho boxu vo fulltextov\u00fdch v\u00fdsledkoch vyh\u013ead\u00e1vania\" class=\"wp-image-4203\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/images-box-uk\u00e1\u017eka.png 874w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/images-box-uk\u00e1\u017eka-277x300.png 277w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/images-box-uk\u00e1\u017eka-768x832.png 768w\" sizes=\"(max-width: 874px) 100vw, 874px\" \/><\/figure>\n\n\n\n<p>Bez vyplnen\u00e9ho ALT textu pri obr\u00e1zkoch by ste sa do tohto obr\u00e1zkov\u00e9ho roz\u0161\u00edrenia v\u00fdsledkov vyh\u013ead\u00e1vania \u0165a\u017eko dostali a zbyto\u010dne tak pri\u0161li o zauj\u00edmav\u00fd zdroj n\u00e1v\u0161tevnosti na web.&nbsp;<\/p>\n\n\n\n<p>D\u00f4le\u017eitos\u0165 vyp\u013a\u0148ania ALT textu pre obr\u00e1zkov\u00e9 vyh\u013ead\u00e1vanie Google potvrdil aj samotn\u00fd John Mu:<\/p>\n\n\n\n<center><blockquote class=\"twitter-tweet\"><p lang=\"en\" dir=\"ltr\">Alt text is extremely helpful for Google Images &#8212; if you want your images to rank there. Even if you use lazy-loading, you know which image will be loaded, so get that information in there as early as possible &amp; test what it renders as.<\/p>\u2014 \ud83c\udf4c John \ud83c\udf4c (@JohnMu) <a href=\"https:\/\/twitter.com\/JohnMu\/status\/1036901608880254976?ref_src=twsrc%5Etfw\">September 4, 2018<\/a><\/blockquote> <script async=\"\" src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/center>\n\n\n\n<h3>2. Zlep\u0161uj\u00fa pr\u00edstupnos\u0165 pre zrakovo postihnut\u00fdch<\/h3>\n\n\n\n<p>Na svete s\u00fa mili\u00f3ny \u013eud\u00ed, ktor\u00fd maj\u00fa zrakov\u00e9 postihnutie. Na Slovensku je to okolo <strong>75 000 \u013eud\u00ed<\/strong>. V\u00e4\u010d\u0161ina t\u00fdchto \u013eud\u00ed pou\u017e\u00edva na \u010d\u00edtanie obsahu takzvan\u00e9 <strong>\u010d\u00edta\u010dky obrazovky<\/strong>. A tu nast\u00e1va probl\u00e9m.&nbsp;<\/p>\n\n\n\n<p>Pokia\u013e nem\u00e1te vyplnen\u00fd alt text, tak \u010d\u00edta\u010dky bu\u010f tento obr\u00e1zok <strong>presko\u010dia<\/strong> (v lep\u0161om pr\u00edpade) alebo v hor\u0161om pr\u00edpade <strong>pre\u010d\u00edtaj\u00fa n\u00e1zov s\u00faboru<\/strong>, ktor\u00fd je \u010dasto nezmyselne vygenerovan\u00fd ako napr.<strong> IMG_21646486.jpg<\/strong> -&gt; z tohto d\u00f4vodu je d\u00f4le\u017eit\u00e9 tie\u017e <strong>pomenova\u0165 s\u00fabor nejak\u00fdm v\u00fdsti\u017en\u00fdm n\u00e1zvom<\/strong>.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Pokia\u013e vypln\u00edte alt text, tak ho \u010d\u00edta\u010dky uprednostnia a pre\u010d\u00edtaj\u00fa ho (namiesto n\u00e1zvu s\u00faboru).<\/p>\n\n\n\n<h3>3. Zlep\u0161uje kontext obsahu<\/h3>\n\n\n\n<p>Aby bol text lep\u0161ie \u010ditate\u013en\u00fd, je d\u00f4le\u017eit\u00e9 pou\u017e\u00edva\u0165 obr\u00e1zky, ktor\u00e9 \u013eud\u00ed zaujm\u00fa. Av\u0161ak pre lep\u0161ie pochopenie kontextu obsahu vyh\u013ead\u00e1va\u010dmi je d\u00f4le\u017eit\u00e9, aby ste vyplnili ALT text, ktor\u00fd napom\u00f4\u017ee vyh\u013ead\u00e1va\u010dom pochopi\u0165 obsah na str\u00e1nke.&nbsp;<\/p>\n\n\n\n<p>ALT text mus\u00ed by\u0165 relevantn\u00fd k obsahu (viac inform\u00e1ci\u00ed, ako by mal vyzera\u0165 ide\u00e1lne vyplnen\u00fd ALT text n\u00e1jdete ni\u017e\u0161ie), aby vyh\u013ead\u00e1va\u010d pochopil o \u010do v obsahu (a aj na obr\u00e1zku) ide a zbyto\u010dne ho nemiatol.&nbsp;<\/p>\n\n\n\n<p>\u010ci\u017ee ak m\u00e1me \u010dl\u00e1nok o notebookoch, tak dopln\u00edme obr\u00e1zok s ALT textom ako napr. \u201c\u0160t\u00fdlov\u00fd notebook Acer Aspire 5 v modrej farbe\u201d a vyh\u013ead\u00e1va\u010d hne\u010f pochop\u00ed kontext obsahu.&nbsp;<\/p>\n\n\n\n<h3>4. Pri odkazovan\u00ed sa ber\u00fa ako anchor text<\/h3>\n\n\n\n<p>Odkazy nemusia by\u0165 iba textov\u00e9, ale m\u00f4\u017eu smerova\u0165 aj cez obr\u00e1zky. V pr\u00edpade, \u017ee odkazujete cez obr\u00e1zok a m\u00e1te vyplnen\u00fd ALT tag, tak ho vyh\u013ead\u00e1va\u010d berie ako <a href=\"https:\/\/help.marketingminer.com\/sk\/clanok\/co-znamena-anchor-text\/\">anchor text<\/a>.<\/p>\n\n\n\n<p>V\u010faka vyplneniu alternat\u00edvneho textu tak pom\u00f4\u017eete Googlu lep\u0161ie pochopi\u0165 o \u010dom je str\u00e1nka, na ktor\u00fa odkazujete.&nbsp;<\/p>\n\n\n\n<h3>5. Zobrazia sa pri nena\u010d\u00edtan\u00ed obr\u00e1zka<\/h3>\n\n\n\n<p>Ako sme u\u017e na za\u010diatku spom\u00ednali (a bolo to vidie\u0165 aj na obr\u00e1zku), tak v pr\u00edpade, \u017ee nastane nejak\u00fd technick\u00fd probl\u00e9m a obr\u00e1zok sa zo zdroja nena\u010d\u00edta, tak miesto neho <strong>sa prep\u00ed\u0161e na str\u00e1nku ALT text<\/strong>.&nbsp;<\/p>\n\n\n\n<p>V pr\u00edpade, \u017ee ho nevypln\u00edte, tak sa neprep\u00ed\u0161e ni\u010d.&nbsp;<\/p>\n\n\n\n<h2>Ako zisti\u0165, \u010di m\u00e1te ALT tag vyplnen\u00fd<\/h2>\n\n\n\n<h3>Ru\u010dn\u00e1 kontrola&nbsp;<\/h3>\n\n\n\n<p>Jedn\u00fdm z najr\u00fdchlej\u0161\u00edch sp\u00f4sobov ako si overi\u0165, \u010di m\u00e1te ALT tag pri obr\u00e1zku vyplnen\u00fd pre men\u0161\u00ed po\u010det obr\u00e1zkov, je skontrolova\u0165 priamo zdrojov\u00fd k\u00f3d.&nbsp;<\/p>\n\n\n\n<p>Prejdite na webov\u00fa str\u00e1nku (napr. \u010dl\u00e1nok) kde sa obr\u00e1zok nach\u00e1dza a kliknite na neho <strong>Prav\u00fdm -&gt; Presk\u00fama<\/strong>\u0165.&nbsp;<\/p>\n\n\n\n<p>N\u00e1sledne sa v\u00e1m zv\u00fdrazn\u00ed \u010das\u0165 zdrojov\u00e9ho k\u00f3du, kde sa nach\u00e1dza obr\u00e1zok:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"507\" height=\"66\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-alt-tagu-v-zdrojovom-k\u00f3de.png\" alt=\"Uk\u00e1\u017eka vyplnen\u00e9ho ALT tagu v zdrojovom k\u00f3de\" class=\"wp-image-4206\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-alt-tagu-v-zdrojovom-k\u00f3de.png 507w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-alt-tagu-v-zdrojovom-k\u00f3de-300x39.png 300w\" sizes=\"(max-width: 507px) 100vw, 507px\" \/><\/figure><\/div>\n\n\n\n<p>V k\u00f3de vy\u0161\u0161ie vid\u00edte, \u017ee <strong>alt atrib\u00fat je vyplnen\u00fd<\/strong> a obsahuje hodnotu: <strong>Canonical &#8211; neindexovateln\u00e9 URL (uk\u00e1zka fungov\u00e1n\u00ed)<\/strong>.<\/p>\n\n\n\n<p>Ak by ste pri va\u0161ich obr\u00e1zkoch<strong> alt=\u201d\u201d<\/strong> nena\u0161li, znamen\u00e1 to, \u017ee <strong>alt tag ch\u00fdba<\/strong>.<\/p>\n\n\n\n<h3>Marketing Miner &#8211; miner Obsahov\u00e1 anal\u00fdza<\/h3>\n\n\n\n<p>Pokia\u013e v\u0161ak potrebujete skontrolova\u0165 stovky alebo tis\u00edce obr\u00e1zkov (\u010di maj\u00fa vyplnen\u00fd ALT), tak by v\u00e1m to ru\u010dne trvalo ve\u013emi dlho.<\/p>\n\n\n\n<p>Presne preto na sc\u00e9nu nastupuj\u00fa automatizovan\u00e9 n\u00e1stroje (tzv. crawleri), ktor\u00fd v\u00e1m prejd\u00fa vstupn\u00e9 str\u00e1nky, skontroluj\u00fa obr\u00e1zky a vyp\u00ed\u0161u, kde nem\u00e1te ALT tag vyplnen\u00fd.<\/p>\n\n\n\n<p>V tomto v\u00e1m m\u00f4\u017ee pom\u00f4c\u0165 aj Marketing Miner a to konkr\u00e9tne <a href=\"https:\/\/help.marketingminer.com\/sk\/clanok\/obsahova-analyza\/\">miner Obsahov\u00e1 anal\u00fdza<\/a>, ktor\u00fd v\u00e1m vr\u00e1ti nasleduj\u00face d\u00e1ta:&nbsp;<\/p>\n\n\n\n<ul><li><strong>Number of images<\/strong> &#8211; po\u010det obr\u00e1zkov nach\u00e1dzaj\u00facich sa na kontrolovanej URL&nbsp;<\/li><li><strong>Images without alt text<\/strong> &#8211; po\u010det obr\u00e1zkov, ktor\u00e9 nemaj\u00fa vyplnen\u00fd ALT text<\/li><\/ul>\n\n\n\n<h2>Ako nap\u00edsa\u0165 dobr\u00fd ALT text<\/h2>\n\n\n\n<p>Pri p\u00edsan\u00ed ALT textu pam\u00e4tajte na to, \u017ee je d\u00f4le\u017eit\u00fd pre t\u00fdch, ktor\u00fd obr\u00e1zok nevidia. Zavrite si preto o\u010di, spustite \u010d\u00edta\u010dku obrazovky, aby v\u00e1m pre\u010d\u00edtala ALT text a na z\u00e1klade toho si sk\u00faste predstavi\u0165 \u010do sa na obr\u00e1zku nach\u00e1dza.&nbsp;<\/p>\n\n\n\n<p>Ak sa va\u0161a predstava zhoduje s t\u00fdm, \u010do sa na obr\u00e1zku nach\u00e1dza, ALT text m\u00e1te vyplnen\u00fd spr\u00e1vne.&nbsp;<\/p>\n\n\n\n<p>Pri p\u00edsan\u00ed alternat\u00edvneho textu v\u00e1m tie\u017e m\u00f4\u017eu pom\u00f4c\u0165 tieto 4 tipy:<\/p>\n\n\n\n<ul><li><strong>V\u00fdsti\u017enos\u0165<\/strong> &#8211; sna\u017ete sa v\u00fdsti\u017ene pop\u00edsa\u0165 obr\u00e1zok s pou\u017eit\u00edm \u010do najmenej slov. V\u00e4\u010d\u0161ina \u010d\u00edta\u010diek preru\u0161\u00ed opis obr\u00e1zku po 125 znakoch, tak\u017ee toto berte ako horn\u00fa hranicu.&nbsp;<\/li><li><strong>Relevancia<\/strong> &#8211; aby vyh\u013ead\u00e1va\u010d pochopil obr\u00e1zok a jeho relevanciu k textov\u00e9mu obsahu, pou\u017eite v ALT popise k\u013e\u00fa\u010dov\u00e9 slovo, na ktor\u00e9 cielite vstupn\u00fa str\u00e1nku (pozor v\u0161ak na spamovanie k\u013e\u00fa\u010dov\u00fdch slov).<\/li><li><strong>Spamovanie k\u013e\u00fa\u010dov\u00fdch slov<\/strong> &#8211; doba prepch\u00e1vania obsahu k\u013e\u00fa\u010dov\u00fdmi slovami je u\u017e za nami. Nefunguje to u\u017e ani v pr\u00edpade obr\u00e1zkov, tak\u017ee do ALT textu sa nesna\u017ete dosta\u0165 v\u0161etky mo\u017en\u00e9 varianty k\u013e\u00fa\u010dov\u00fdch slov. Nem\u00e1 to \u017eiadny pr\u00ednos a sk\u00f4r v\u00e1m to m\u00f4\u017ee u\u0161kodi\u0165.<\/li><li><strong>Presnos\u0165<\/strong> &#8211; op\u00ed\u0161te presne to, \u010do sa na obr\u00e1zku nach\u00e1dza, aby to \u013eudia pochopili (z\u00e1rove\u0148 sa sna\u017ete dodr\u017eiava\u0165 aj bod \u010d.1 (aby to bolo v\u00fdsti\u017en\u00e9).<\/li><li><strong>Nepou\u017e\u00edvajte \u201cobr\u00e1zok\u201d<\/strong> &#8211; v ALT texte nemus\u00edte p\u00edsa\u0165 slovo <strong><em>obr\u00e1zok, na obr\u00e1zku sa nach\u00e1dza<\/em><\/strong> a pod preto\u017ee vyh\u013ead\u00e1va\u010de (aj \u010d\u00edta\u010dky obrazovky) vedia zo samotn\u00e9ho alt tagu, \u017ee opisujete obr\u00e1zok.&nbsp;<\/li><\/ul>\n\n\n\n<h2>Uk\u00e1\u017eky spr\u00e1vneho a nespr\u00e1vneho vyplnenia ALT tagu<\/h2>\n\n\n\n<p>Po\u010fme sa pozrie\u0165 na zop\u00e1r obr\u00e1zkov a uk\u00e1\u017eky, ako vyzer\u00e1 nespr\u00e1vne a spr\u00e1vne vyplnenie ALT tagu:&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"580\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-vyplnenia-ALT-tagu-1024x580.png\" alt=\"Uk\u00e1\u017eka spr\u00e1vneho a nespr\u00e1vneho vyplnenia ALT tagu\" class=\"wp-image-4209\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-vyplnenia-ALT-tagu-1024x580.png 1024w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-vyplnenia-ALT-tagu-300x170.png 300w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-vyplnenia-ALT-tagu-768x435.png 768w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-vyplnenia-ALT-tagu-1536x870.png 1536w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-vyplnenia-ALT-tagu.png 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Nespr\u00e1vny ALT:<\/strong> &lt;img src=&#8221;IMG_12358.png&#8221; alt=&#8221;cen\u00edk&#8221;&gt; &#8211; m\u00e1lo v\u00fdsti\u017en\u00e9<\/p>\n\n\n\n<p><strong>Nespr\u00e1vny ALT: <\/strong>&lt;img src=&#8221;IMG_12358.png&#8221; alt=&#8221;cen\u00edk, tarif, pricing, tarify&#8221;&gt; &#8211; spamovanie k\u013e\u00fa\u010dov\u00fdch slov<\/p>\n\n\n\n<p><strong>Spr\u00e1vny ALT:<\/strong> &lt;img src=&#8221;marketing_miner_cenik.png&#8221; alt=&#8221;Cen\u00edk Marketing Miner tarif\u016f&#8221;&gt;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"683\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-a-nespr\u00e1vne-vyplnen\u00e9ho-alt-textu-1024x683.jpg\" alt=\"Uk\u00e1\u017eka ako je spr\u00e1vne a nespr\u00e1vne vyplnen\u00fd ALT text\" class=\"wp-image-4212\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-a-nespr\u00e1vne-vyplnen\u00e9ho-alt-textu-1024x683.jpg 1024w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-a-nespr\u00e1vne-vyplnen\u00e9ho-alt-textu-300x200.jpg 300w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-a-nespr\u00e1vne-vyplnen\u00e9ho-alt-textu-768x512.jpg 768w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-spr\u00e1vneho-a-nespr\u00e1vne-vyplnen\u00e9ho-alt-textu.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Nespr\u00e1vny ALT:<\/strong> &lt;img src=&#8221;torta.png&#8221; alt=&#8221;Torta&#8221;&gt; &#8211; m\u00e1lo v\u00fdsti\u017en\u00e9<\/p>\n\n\n\n<p><strong>Nespr\u00e1vny ALT:<\/strong> &lt;img src=&#8221;torta.png&#8221; alt=&#8221;\u010dokol\u00e1dov\u00e1 torta&#8221;&gt; &#8211; m\u00e1lo v\u00fdsti\u017en\u00e9<\/p>\n\n\n\n<p><strong>Spr\u00e1vny ALT:<\/strong> &lt;img src=&#8221;torta.png&#8221; alt=&#8221;\u010cokol\u00e1dov\u00e1 torta s jahodou na tanieriku&#8221;&gt;&nbsp;<\/p>\n\n\n\n<p>Viac sa do\u010d\u00edtate priamo v dokument\u00e1ci\u00ed od Google pre obr\u00e1zky: <a href=\"https:\/\/support.google.com\/webmasters\/answer\/114016?hl=cs\">https:\/\/support.google.com\/webmasters\/answer\/114016?hl=cs<\/a>&nbsp;<\/p>\n\n\n\n<h2>Vyhodnotenie \u00faspe\u0161nosti v Google Search Console&nbsp;<\/h2>\n\n\n\n<p>Vyhodnocova\u0165 \u00faspe\u0161nos\u0165 optimaliz\u00e1cie obr\u00e1zkov m\u00f4\u017eete pomocou n\u00e1stroja <a href=\"https:\/\/search.google.com\/search-console\/\">Google Search Console<\/a>.&nbsp;<\/p>\n\n\n\n<p>Po prihl\u00e1sen\u00ed sa do GSC prejdite v\u013eavo v menu na <strong>V\u00fdkon<\/strong>. N\u00e1sledne zvo\u013ete <strong>Typ vyh\u013ead\u00e1vania<\/strong> na <strong>Obr\u00e1zok<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"498\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/google-search-console-typ-vyh\u013ead\u00e1vania-obr\u00e1zok-1024x498.png\" alt=\"Google Search Console - typ vyh\u013ead\u00e1vania obr\u00e1zky\" class=\"wp-image-4215\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/google-search-console-typ-vyh\u013ead\u00e1vania-obr\u00e1zok-1024x498.png 1024w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/google-search-console-typ-vyh\u013ead\u00e1vania-obr\u00e1zok-300x146.png 300w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/google-search-console-typ-vyh\u013ead\u00e1vania-obr\u00e1zok-768x373.png 768w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/google-search-console-typ-vyh\u013ead\u00e1vania-obr\u00e1zok.png 1290w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>T\u00fdm p\u00e1dom sa v\u00e1m bud\u00fa zobrazova\u0165 \u0161tatistiky v obr\u00e1zkovom vyh\u013ead\u00e1van\u00ed Google Images.&nbsp;<\/p>\n\n\n\n<p>Uvid\u00edte tu:&nbsp;<\/p>\n\n\n\n<ul><li><strong>Celkov\u00fd po\u010det kliknut\u00ed<\/strong> &#8211; po\u010det preklikov na va\u0161u str\u00e1nku z obr\u00e1zkov\u00e9ho vyh\u013ead\u00e1vania.<\/li><li><strong>Celkov\u00fd po\u010det zobrazen\u00ed<\/strong> &#8211; ko\u013ekokr\u00e1t sa zobrazil v\u00e1\u0161 obr\u00e1zok vo v\u00fdsledkoch vyh\u013ead\u00e1vania.&nbsp;<\/li><li><strong>Priemern\u00e1 miera prekliku<\/strong> &#8211; percentu\u00e1lny \u00fadaj (CTR) o tom ko\u013eko percent \u013eud\u00ed z celkov\u00e9ho po\u010dtu zobrazenia obr\u00e1zku sa prekliklo pr\u00e1ve na v\u00e1\u0161 web.&nbsp;<\/li><li><strong>Priemern\u00e1 poz\u00edcia <\/strong>&#8211; priemern\u00e1 poz\u00edcia, na ktorej sa zobrazoval v\u00e1\u0161 obr\u00e1zok vo vyh\u013ead\u00e1van\u00ed<\/li><\/ul>\n\n\n\n<p>Pod grafom uvid\u00edte aj tabu\u013eku, kde si to viete podrobne pozrie\u0165 pre jednotliv\u00e9 k\u013e\u00fa\u010dov\u00e9 slov\u00e1 alebo str\u00e1nky:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"449\" src=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-v\u00fdkonnosti-obr\u00e1zkov\u00e9ho-vyh\u013ead\u00e1vania-v-GSC-1024x449.png\" alt=\"\u0160tatistiky v\u00fdkonnosti v obr\u00e1zkovom vyh\u013ead\u00e1van\u00ed v GSC\" class=\"wp-image-4218\" srcset=\"https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-v\u00fdkonnosti-obr\u00e1zkov\u00e9ho-vyh\u013ead\u00e1vania-v-GSC-1024x449.png 1024w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-v\u00fdkonnosti-obr\u00e1zkov\u00e9ho-vyh\u013ead\u00e1vania-v-GSC-300x131.png 300w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-v\u00fdkonnosti-obr\u00e1zkov\u00e9ho-vyh\u013ead\u00e1vania-v-GSC-768x337.png 768w, https:\/\/help.marketingminer.com\/wp-content\/uploads\/2020\/10\/uk\u00e1\u017eka-v\u00fdkonnosti-obr\u00e1zkov\u00e9ho-vyh\u013ead\u00e1vania-v-GSC.png 1175w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2>Z\u00e1ver<\/h2>\n\n\n\n<p>Ako ste sa u\u017e v \u010dl\u00e1nku do\u010d\u00edtali, tak vyp\u013a\u0148a\u0165 ALT text je naozaj ve\u013emi d\u00f4le\u017eit\u00e9. Pokia\u013e naraz\u00edte na to, \u017ee v\u00e4\u010d\u0161inu alternat\u00edvneho textu nem\u00e1te vyplnen\u00fa, treba si spravi\u0165 prioritu.&nbsp;<\/p>\n\n\n\n<p>Ja odpor\u00fa\u010dam prejs\u0165 pod\u013ea Google Analytics najd\u00f4le\u017eitej\u0161ie vstupn\u00e9 str\u00e1nky, ktor\u00e9 v\u00e1m prin\u00e1\u0161aj\u00fa najv\u00e4\u010d\u0161iu n\u00e1v\u0161tevnos\u0165 a zamera\u0165 sa v nich na optimalizovanie ALT popisov pre obr\u00e1zky.&nbsp;<\/p>\n\n\n\n<p>Va\u0161e \u00fapravy si potom m\u00f4\u017eete vyhodnocova\u0165 pod\u013ea n\u00e1vodu vy\u0161\u0161ie v Google Search Console.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alt text (alternat&iacute;vny text) m&aacute; viac zau&#382;&iacute;van&yacute;ch n&aacute;zvov, ako napr&iacute;klad alt tag, alt popis alebo alt atrib&uacute;t. Je to sp&ocirc;sob, ak&yacute;m dok&aacute;&#382;eme v HTML pop&iacute;sa&#357;, &#269;o sa nach&aacute;dza na obr&aacute;zku.&nbsp; Uk&aacute;&#382;ka z&aacute;pisu ALT tagu v HTML:&nbsp; &lt;img src=&ldquo;obrazek-alt-tag.jpg&rdquo; alt=&ldquo;uk&aacute;&#382;kov&yacute; alt popis obr&aacute;zku&rdquo; title=&ldquo;tooltip obr&aacute;zku&rdquo;&gt; V tomto pr&iacute;pade m&aacute; alt atrib&uacute;t vyplnen&uacute; hodnotu uk&aacute;&#382;kov&yacute; alt popis &#8230; <a title=\"\u010co je ALT text (tag) alebo SEO pre obr\u00e1zky\" class=\"read-more\" href=\"https:\/\/help.marketingminer.com\/sk\/clanok\/co-je-alt-text-tag-alebo-seo-pre-obrazky\/\" aria-label=\"Viac na \u010co je ALT text (tag) alebo SEO pre obr\u00e1zky\">\u010c\u00edta\u0165 viac<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"kbtopic":[42],"kbtag":[54,67,47],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u010co je ALT text (tag) alebo SEO pre obr\u00e1zky - Marketing Miner Knowledge Base<\/title>\n<meta name=\"description\" content=\"Alt text (alternat\u00edvny text) m\u00e1 viac zau\u017e\u00edvan\u00fdch n\u00e1zvov, ako napr\u00edklad alt tag, alt popis alebo alt atrib\u00fat. Je to sp\u00f4sob, ak\u00fdm dok\u00e1\u017eeme v HTML pop\u00edsa\u0165,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/help.marketingminer.com\/sk\/clanok\/co-je-alt-text-tag-alebo-seo-pre-obrazky\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u010co je ALT text (tag) alebo SEO pre obr\u00e1zky - Marketing Miner Knowledge Base\" \/>\n<meta property=\"og:description\" content=\"Alt text (alternat\u00edvny text) m\u00e1 viac zau\u017e\u00edvan\u00fdch n\u00e1zvov, ako napr\u00edklad alt tag, alt popis alebo alt atrib\u00fat. 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