{"id":2932,"date":"2019-05-01T19:26:39","date_gmt":"2019-05-01T19:26:39","guid":{"rendered":"https:\/\/pageloot.com\/?p=2932"},"modified":"2026-10-23T06:00:57","modified_gmt":"2026-10-23T06:00:57","slug":"why-qr-code-not-working","status":"publish","type":"post","link":"https:\/\/pageloot.com\/sk\/qr-code-marketing\/why-qr-code-not-working\/","title":{"rendered":"Pre\u010do QR k\u00f3d nefunguje? Be\u017en\u00e9 rie\u0161enia probl\u00e9mov so skenovan\u00edm"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Naskenovanie QR k\u00f3du je takmer v\u017edy sp\u00f4soben\u00e9 jednou zo \u0161iestich vec\u00ed: k\u00f3d je pr\u00edli\u0161 mal\u00fd, kontrast je pr\u00edli\u0161 n\u00edzky, okraj okolo neho je pr\u00edli\u0161 \u00fazky, odkaz v \u0148om je nefunk\u010dn\u00fd alebo pr\u00edli\u0161 dlh\u00fd, tla\u010d je rozmazan\u00e1 alebo leskl\u00e1, alebo sa telef\u00f3n nedok\u00e1\u017ee zaostri\u0165. Tento sprievodca najprv uv\u00e1dza r\u00fdchle kontroly, potom podrobnosti a \u010d\u00edsla na opravu ka\u017edej pr\u00ed\u010diny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00fdchly kontroln\u00fd zoznam: Oprava QR k\u00f3du, ktor\u00fd sa ned\u00e1 naskenova\u0165<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Otvorte odkaz sami. Ak sa str\u00e1nka nena\u010d\u00edta, k\u00f3d je v poriadku a cie\u013eov\u00e1 adresa je nefunk\u010dn\u00e1. Opravte URL adresu, alebo ju zme\u0148te, ak je k\u00f3d dynamick\u00fd.<\/li><li>Skontrolujte ve\u013ekos\u0165. Pou\u017eite k\u00f3d \u0161irok\u00fd aspo\u0148 2 cm (0,8 palca) pre k\u00f3d dr\u017ean\u00fd v ruke a 1 stopu \u0161irok\u00fd na ka\u017ed\u00fdch 10 st\u00f4p vzdialenosti skenovania.<\/li><li>Skontrolujte kontrast. Pou\u017eite tmav\u00e9 moduly na svetlom pozad\u00ed, ide\u00e1lne 4,5:1 alebo vy\u0161\u0161\u00ed. Neinvertujte farby.<\/li><li>Skontrolujte okraj. Ponechajte pr\u00e1zdny okraj s minim\u00e1lne 4 modulmi na v\u0161etk\u00fdch \u0161tyroch stran\u00e1ch.<\/li><li>Skontrolujte tla\u010d. Pou\u017eite SVG alebo PDF, matn\u00fd povrch a rovn\u00e9 umiestnenie.<\/li><li>Naskenujte dvoma r\u00f4znymi telef\u00f3nmi pri osvetlen\u00ed, v ktorom sa k\u00f3d skuto\u010dne bude pou\u017e\u00edva\u0165.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Pre\u010do ve\u013ekos\u0165 a vzdialenos\u0165 ur\u010duj\u00fa skenovate\u013enos\u0165<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fyzick\u00e1 ve\u013ekos\u0165 QR k\u00f3du je naj\u010dastej\u0161ou pr\u00ed\u010dinou probl\u00e9mov so skenovan\u00edm. Ak je k\u00f3d pr\u00edli\u0161 mal\u00fd, fotoapar\u00e1t telef\u00f3nu nedok\u00e1\u017ee rozl\u00ed\u0161i\u0165 jednotliv\u00e9 moduly. Pou\u017eite minim\u00e1lnu ve\u013ekos\u0165 0,8 x 0,8 palca (2 x 2 cm) pre predmety zbl\u00edzka, ako s\u00fa vizitky a obaly produktov. Pre k\u00f3dy skenovan\u00e9 z dia\u013eky pou\u017eite pravidlo 10:1: k\u00f3d viden\u00fd z 10 st\u00f4p by mal by\u0165 \u0161irok\u00fd aspo\u0148 1 stopu. Plag\u00e1t \u010d\u00edtan\u00fd z 3 metrov potrebuje k\u00f3d s rozmermi pribli\u017ene 30 cm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hustej\u0161ie d\u00e1ta vy\u017eaduj\u00fa viac modulov a viac modulov vy\u017eaduje v\u00e4\u010d\u0161iu ve\u013ekos\u0165 tla\u010de. Dodr\u017eiavanie <a href=\"https:\/\/pageloot.com\/sk\/blog\/best-practices-for-qr-code-readability\/\">osved\u010den\u00fdch postupov pre \u010ditate\u013enos\u0165 QR k\u00f3dov<\/a> v\u00e1m pom\u00f4\u017ee nastavi\u0165 proporcie pred ve\u013ekou tla\u010dou. Ak si nie ste ist\u00ed kone\u010dn\u00fdm umiestnen\u00edm, zvo\u013ete v\u00e4\u010d\u0161iu ve\u013ekos\u0165. Najviac to potrebuj\u00fa star\u0161ie telef\u00f3ny s fotoapar\u00e1tmi s n\u00edzkym rozl\u00ed\u0161en\u00edm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pre\u010do je farebn\u00fd kontrast z\u00e1kladom \u010ditate\u013enosti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Skenery dek\u00f3duj\u00fa rozdiel medzi tmav\u00fdmi a svetl\u00fdmi modulmi. Ak je kontrast pr\u00edli\u0161 n\u00edzky, softv\u00e9r nedok\u00e1\u017ee n\u00e1js\u0165 vzor na pozad\u00ed. Udr\u017eujte kontrastn\u00fd pomer 4,5:1 alebo vy\u0161\u0161\u00ed, ako je pop\u00edsan\u00e9 v <a href=\"https:\/\/pageloot.com\/sk\/blog\/qr-code-color-contrast-best-practices\/\">osved\u010den\u00fdch postupov pre farebn\u00fd kontrast<\/a>. \u010cierna na bielej je najspo\u013eahlivej\u0161ia. Tmavomodr\u00e1, tmavofialov\u00e1 alebo lesn\u00e1 zelen\u00e1 na svetlosivej alebo kr\u00e9movej tie\u017e funguj\u00fa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vyhnite sa invertovan\u00fdm k\u00f3dom (svetl\u00e9 moduly na tmavom pozad\u00ed), preto\u017ee mnoh\u00e9 aplik\u00e1cie fotoapar\u00e1tov ich nedok\u00e1\u017eu pre\u010d\u00edta\u0165. Vyhnite sa prechodom a priesvitn\u00fdm pozadiam, preto\u017ee vytv\u00e1raj\u00fa stredn\u00e9 t\u00f3ny, ktor\u00e9 pre skener nevyzeraj\u00fa ani ako atrament, ani ako papier. \u010cerven\u00e1 na bielej je \u010dast\u00fd probl\u00e9m, ke\u010f\u017ee niektor\u00e9 skenery \u010d\u00edtaj\u00fa \u010derven\u00fa ako svetl\u00fa farbu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00f4le\u017eitos\u0165 tichej z\u00f3ny a okrajov<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tich\u00e1 z\u00f3na je pr\u00e1zdny okraj okolo v\u0161etk\u00fdch \u0161tyroch str\u00e1n QR k\u00f3du. Hovor\u00ed skeneru, kde k\u00f3d za\u010d\u00edna a kde kon\u010d\u00ed okolit\u00fd dizajn. \u0160tandard vy\u017eaduje minim\u00e1lne 4 moduly okraja. Ak sa text, logo alebo vzor pozadia dot\u00fdka tohto priestoru, skener m\u00f4\u017ee tieto prvky pova\u017eova\u0165 za s\u00fa\u010das\u0165 k\u00f3du a skenovanie zlyh\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Udr\u017eiavanie tohto okraja \u010dist\u00e9ho je jedn\u00fdm z naj\u00fa\u010dinnej\u0161\u00edch <a href=\"https:\/\/pageloot.com\/sk\/blog\/5-tips-for-faster-qr-code-scanning\/\">tipov pre r\u00fdchlej\u0161ie skenovanie<\/a>. Umiestnenie k\u00f3du na biele pole alebo biely \u0161t\u00edtok je najjednoduch\u0161\u00ed sp\u00f4sob, ako zachova\u0165 okraj, ak je pozadie fotografia alebo vzor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Spr\u00e1va zlo\u017eitosti d\u00e1t pomocou dynamick\u00fdch QR k\u00f3dov<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00f3d, ktor\u00fd obsahuje dlh\u00fa URL s mnoh\u00fdmi sledovac\u00edmi parametrami, vyzer\u00e1 husto a pixelovo. Na mal\u00e9 bloky sa fotoapar\u00e1tu \u0165a\u017eko zaostruje. A <a href=\"https:\/\/pageloot.com\/sk\/qr-code-generator\/\">gener\u00e1tor QR k\u00f3dov<\/a> , ktor\u00e1 vytv\u00e1ra dynamick\u00e9 k\u00f3dy, to rie\u0161i, preto\u017ee k\u00f3d uklad\u00e1 kr\u00e1tky presmerovac\u00ed odkaz namiesto celej adresy. Vzor je jednoduch\u0161\u00ed a skenuje sa r\u00fdchlej\u0161ie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Statick\u00e9 k\u00f3dy ukladaj\u00fa cie\u013e priamo do vzoru. Nikdy neexpiruj\u00fa a s\u00fa spr\u00e1vnou vo\u013ebou, ak sa odkaz nezmen\u00ed, napr\u00edklad pre pevn\u00fa webov\u00fa str\u00e1nku alebo prihl\u00e1senie k Wi-Fi. Slabos\u0165ou je, \u017ee vytla\u010den\u00fd k\u00f3d nemo\u017eno upravi\u0165. Ak sa str\u00e1nka odstr\u00e1ni alebo presunie, ka\u017ed\u00e1 vytla\u010den\u00e1 k\u00f3pia odkazuje na m\u0155tvy odkaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dynamick\u00e9 k\u00f3dy v\u00e1m umo\u017e\u0148uj\u00fa zmeni\u0165 cie\u013e po vytla\u010den\u00ed, tak\u017ee nefunk\u010dn\u00fd odkaz je opraven\u00fd v priebehu min\u00fat bez op\u00e4tovnej tla\u010de. Ukazuj\u00fa aj \u0161tatistiky skenovania. Dynamick\u00e9 k\u00f3dy funguj\u00fa, k\u00fdm je v\u00e1\u0161 pl\u00e1n akt\u00edvny, a po skon\u010den\u00ed platen\u00e9ho pl\u00e1nu sa stan\u00fa neakt\u00edvnymi. M\u00f4\u017eete ich vysk\u00fa\u0161a\u0165 s 14-d\u0148ovou bezplatnou sk\u00fa\u0161obnou verziou a pl\u00e1ny s\u00fa uveden\u00e9 na <a href=\"https:\/\/pageloot.com\/sk\/pricing\/\">pageloot.com\/pricing<\/a>. Neobmedzen\u00e9 skenovanie je zahrnut\u00e9 a pl\u00e1ny prich\u00e1dzaj\u00fa s 30-d\u0148ovou z\u00e1rukou vr\u00e1tenia pe\u0148az\u00ed.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Monitorujte svoju kampa\u0148 v re\u00e1lnom \u010dase<\/strong> Chcete vidie\u0165, kde a kedy va\u0161i z\u00e1kazn\u00edci skenuj\u00fa va\u0161e materi\u00e1ly? Pou\u017eite <a href=\"https:\/\/pageloot.com\/sk\/qr-code-generator\/\">gener\u00e1tor QR k\u00f3dov<\/a> na vytvorenie sledovate\u013en\u00fdch k\u00f3dov a prezeranie skenov pod\u013ea \u010dasu, miesta a zariadenia vo va\u0161om paneli.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Ako kvalita tla\u010de a podkladov ovplyv\u0148uje v\u00fdkon<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u017edy tla\u010dte z vektorov\u00e9ho s\u00faboru ako SVG, PDF alebo EPS. Mal\u00fd PNG alebo JPG m\u00e1 pri zv\u00e4\u010d\u0161en\u00ed jemn\u00e9 okraje a rozmazan\u00e9 okraje sp\u00f4sobuj\u00fa, \u017ee susedn\u00e9 moduly spl\u00fdvaj\u00fa. <a href=\"https:\/\/pageloot.com\/sk\/blog\/how-printing-techniques-impact-qr-code-scannability\/\">vplyv tla\u010dov\u00fdch techn\u00edk<\/a> vysvet\u013euje, ako sa porovn\u00e1va ofsetov\u00e1 a digit\u00e1lna tla\u010d. Ak mus\u00edte pou\u017ei\u0165 PNG, exportujte ho vo ve\u013ekej ve\u013ekosti, napr\u00edklad 1000 pixelov alebo viac pre k\u00f3d vytla\u010den\u00fd na 5 cm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/staging.pageloot.com\/wp-content\/uploads\/2026\/04\/square-illustration-0c1c16-6468eb41e670.webp\" alt=\"Porovnanie kvality tla\u010de\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Oslnenie je druh\u00fdm probl\u00e9mom tla\u010de. Leskl\u00fd papier, sklo a plastov\u00e9 obaly odr\u00e1\u017eaj\u00fa svetlo do objekt\u00edvu a zosvet\u013euj\u00fa moduly. Pou\u017eite matn\u00fd povrch a umiestnite k\u00f3d na rovn\u00fa plochu, nie na zakriven\u00fa f\u013ea\u0161u alebo zlo\u017een\u00fd okraj. Ak k\u00f3d mus\u00ed by\u0165 na zakrivenom povrchu, zv\u00e4\u010d\u0161ite ho, aby sa vyrovnala deform\u00e1cia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0160t\u00edtky s QR k\u00f3dom a kovov\u00e9 povrchy sa neskenuj\u00fa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kovov\u00e9 \u0161t\u00edtky, grav\u00edrovan\u00e9 platne a n\u00e1lepky na zariadeniach zlyh\u00e1vaj\u00fa \u010dastej\u0161ie ako papier, a to z troch d\u00f4vodov. Leskl\u00fd kov odr\u00e1\u017ea svetlo a zakr\u00fdva moduly. Laserom vyleptan\u00e9 alebo grav\u00edrovan\u00e9 k\u00f3dy maj\u00fa \u010dasto n\u00edzky kontrast medzi ozna\u010den\u00fdmi a neozna\u010den\u00fdmi oblas\u0165ami. Mal\u00e9 \u0161t\u00edtky si vy\u017eaduj\u00fa ve\u013emi mal\u00e9 moduly.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Pou\u017eite matn\u00fd alebo br\u00fasen\u00fd povrch, alebo eloxovan\u00fd \u010di natret\u00fd povrch, namiesto le\u0161ten\u00e9ho kovu.<\/li><li>Urobte kontrast jasn\u00fd. \u010cierna farba alebo \u010dierny atrament na bledom kove alebo bielom \u0161t\u00edtku je spo\u013eahlivej\u0161\u00ed ako slab\u00e1 vyleptan\u00e1 zna\u010dka.<\/li><li>Udr\u017eujte tich\u00fa z\u00f3nu bez skrutiek, okrajov a grav\u00edrovan\u00e9ho textu.<\/li><li>Pou\u017eite kr\u00e1tky odkaz, aby k\u00f3d mal menej a v\u00e4\u010d\u0161ie moduly. Dynamick\u00fd k\u00f3d je tu u\u017eito\u010dn\u00fd, preto\u017ee kovov\u00fd \u0161t\u00edtok sa ned\u00e1 lacno pretla\u010di\u0165.<\/li><li>Otestujte hotov\u00fd \u0161t\u00edtok s dvoma telef\u00f3nmi, za denn\u00e9ho svetla a pri vn\u00fatornom osvetlen\u00ed, predt\u00fdm ako objedn\u00e1te d\u00e1vku.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Rie\u0161enie probl\u00e9mov so zariaden\u00edm a prostred\u00edm<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Niekedy je k\u00f3d v poriadku a probl\u00e9mom je zariadenie alebo miesto. Slab\u00e9 svetlo zni\u017euje kontrast a \u0161pinav\u00e1 \u0161o\u0161ovka fotoapar\u00e1tu rozmaz\u00e1va obr\u00e1zky. Povedzte pou\u017e\u00edvate\u013eom, aby si utreli \u0161o\u0161ovku a dr\u017eali telef\u00f3n 4 a\u017e 12 palcov (10 a\u017e 30 cm) od mal\u00e9ho k\u00f3du. Je d\u00f4le\u017eit\u00e9 <a href=\"https:\/\/pageloot.com\/sk\/blog\/how-to-test-qr-codes-for-mobile-usability\/\">testova\u0165 QR k\u00f3dy na pou\u017eite\u013enos\u0165 v mobiln\u00fdch zariadeniach<\/a> na star\u0161\u00edch telef\u00f3noch Android a iOS, ako aj na nov\u00fdch.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>iPhone: otvorte aplik\u00e1ciu Kamera a namierte ju na k\u00f3d. Skontrolujte, \u010di s\u00fa zapnut\u00e9 Nastavenia, Kamera, Skenova\u0165 QR k\u00f3dy.<\/li><li>Android: pou\u017eite aplik\u00e1ciu Kamera alebo Google Lens. Ak sa ni\u010d nestane, otvorte Google Lens priamo.<\/li><li>Bez internetu: skenovanie funguje, ale str\u00e1nka sa nena\u010d\u00edta. Vyzer\u00e1 to ako po\u0161koden\u00fd k\u00f3d, ale nie je.<\/li><li>Odkaz otv\u00e1ra nespr\u00e1vnu str\u00e1nku alebo chybu: cie\u013e sa zmenil. Skontrolujte URL a pou\u017eite dynamick\u00fd k\u00f3d, ak ho potrebujete nesk\u00f4r zmeni\u0165.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ak umiestnite logo do stredu k\u00f3du, nastavte korekciu ch\u00fdb na Q (25%) alebo H (30%). \u00darovne s\u00fa L 7%, M 15%, Q 25% a H 30% vzoru, ktor\u00fd m\u00f4\u017ee by\u0165 po\u0161koden\u00fd a st\u00e1le \u010ditate\u013en\u00fd. Vy\u0161\u0161ia \u00farove\u0148 prid\u00e1va moduly, tak\u017ee udr\u017eujte logo mal\u00e9 a otestujte ho. Pozri <a href=\"https:\/\/pageloot.com\/sk\/blog\/qr-code-usability-best-practices\/\">osved\u010den\u00e9 postupy pou\u017eite\u013enosti QR k\u00f3dov<\/a> na testovanie zna\u010dkov\u00fdch dizajnov v re\u00e1lnom osvetlen\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spo\u013eahliv\u00fd k\u00f3d vy\u017eaduje spr\u00e1vnu ve\u013ekos\u0165, vysok\u00fd kontrast, jasn\u00fd okraj, \u010dist\u00fa vektorov\u00fa tla\u010d a kr\u00e1tky odkaz. Otestujte ho na viacer\u00fdch telef\u00f3noch pred plnou tla\u010dou.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/staging.pageloot.com\/wp-content\/uploads\/2026\/04\/fix-qr-scan-a3de25-1d7758609eb0.webp\" alt=\"Infografika opravy skenovania QR\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-000000000000\"><strong class=\"schema-faq-question\">Pre\u010do je m\u00f4j QR k\u00f3d rozmazan\u00fd, ke\u010f ho vytla\u010d\u00edm?<\/strong> <p class=\"schema-faq-answer\">Rozmazanos\u0165 zvy\u010dajne poch\u00e1dza zo s\u00faboru s n\u00edzkym rozl\u00ed\u0161en\u00edm, ako je mal\u00fd JPG alebo PNG. Stiahnite si k\u00f3d ako SVG alebo PDF, ktor\u00fd je mo\u017en\u00e9 zv\u00e4\u010d\u0161i\u0165 bez straty kvality, a vytla\u010dte ho na matn\u00fd povrch.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-000000000001\"><strong class=\"schema-faq-question\">M\u00f4\u017eem zmeni\u0165 odkaz v mojom QR k\u00f3de po jeho vytla\u010den\u00ed?<\/strong> <p class=\"schema-faq-answer\">Iba ak ide o dynamick\u00fd QR k\u00f3d. Statick\u00fd k\u00f3d uklad\u00e1 cie\u013e do vzoru, tak\u017ee ho nemo\u017eno upravi\u0165. Dynamick\u00fd k\u00f3d pou\u017e\u00edva presmerovac\u00ed odkaz, tak\u017ee cie\u013e m\u00f4\u017eete kedyko\u013evek zmeni\u0165 na svojom paneli.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-000000000002\"><strong class=\"schema-faq-question\">Pre\u010do moja kamera na iPhone alebo Androide nerozpozn\u00e1 k\u00f3d?<\/strong> <p class=\"schema-faq-answer\">Obvykl\u00e9 pr\u00ed\u010diny s\u00fa n\u00edzky kontrast, ch\u00fdbaj\u00faca tich\u00e1 z\u00f3na, pr\u00edli\u0161 mal\u00fd k\u00f3d alebo odlesky. Skontrolujte, \u010di je okraj \u0161irok\u00fd aspo\u0148 4 moduly, moduly s\u00fa ove\u013ea tmav\u0161ie ako pozadie a k\u00f3d je \u0161irok\u00fd aspo\u0148 2 cm.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-000000000003\"><strong class=\"schema-faq-question\">Pre\u010do sa m\u00f4j QR k\u00f3d na kovovej visa\u010dke ned\u00e1 naskenova\u0165?<\/strong> <p class=\"schema-faq-answer\">Leskl\u00fd kov odr\u00e1\u017ea svetlo a leptan\u00e9 zna\u010dky maj\u00fa \u010dasto n\u00edzky kontrast. Pou\u017eite matn\u00fd alebo natret\u00fd povrch, vysokokontrastn\u00fa \u010diernu na svetlom podklade, jasn\u00fd okraj a kr\u00e1tky odkaz, potom otestujte \u0161t\u00edtok na dvoch telef\u00f3noch.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-000000000004\"><strong class=\"schema-faq-question\">Str\u00e1caj\u00fa QR k\u00f3dy platnos\u0165?<\/strong> <p class=\"schema-faq-answer\">Statick\u00e9 QR k\u00f3dy nikdy nevypr\u0161ia. Dynamick\u00e9 k\u00f3dy funguj\u00fa, k\u00fdm je v\u00e1\u0161 pl\u00e1n akt\u00edvny a stan\u00fa sa neakt\u00edvnymi po skon\u010den\u00ed platen\u00e9ho pl\u00e1nu.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-000000000005\"><strong class=\"schema-faq-question\">Ak\u00fd ve\u013ek\u00fd by mal by\u0165 QR k\u00f3d?<\/strong> <p class=\"schema-faq-answer\">Minim\u00e1lne 2 x 2 cm (0,8 x 0,8 palca) pre predmety zbl\u00edzka. Pre skenovanie na dia\u013eku pou\u017eite \u0161\u00edrku 1 stopu na ka\u017ed\u00fdch 10 st\u00f4p vzdialenosti.<\/p> <\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Odstra\u0148ujte probl\u00e9my so zlyhan\u00edm QR k\u00f3dov a nau\u010dte sa, ako opravi\u0165 probl\u00e9my so skenovan\u00edm. Optimalizujte ve\u013ekos\u0165, kontrast a tich\u00e9 z\u00f3ny alebo pou\u017eite dynamick\u00e9 k\u00f3dy na zabezpe\u010denie spo\u013eahliv\u00e9ho skenovania.<\/p>","protected":false},"author":17,"featured_media":53174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qr-code-marketing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>QR Code Not Scanning? 6 Fixes That Work<\/title>\n<meta name=\"description\" content=\"QR code not scanning? 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Common Fixes for Scan Failures\" \/>\n<meta name=\"twitter:creator\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:site\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:label1\" content=\"Autor\" \/>\n\t<meta name=\"twitter:data1\" content=\"Siim T\" \/>\n\t<meta name=\"twitter:label2\" content=\"Predpokladan\u00fd \u010das \u010d\u00edtania\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 min\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-code-marketing\\\/why-qr-code-not-working\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-code-marketing\\\/why-qr-code-not-working\\\/\"},\"author\":{\"name\":\"Siim T\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/person\\\/fa28992c2e52546f0812833bac852dfe\"},\"headline\":\"Why Is My QR Code Not Working? 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Common Fixes for Scan Failures"}]},{"@type":"WebSite","@id":"https:\/\/pageloot.com\/es\/#website","url":"https:\/\/pageloot.com\/es\/","name":"Pageloot","description":"Vytvorte zadarmo QR k\u00f3dy online","publisher":{"@id":"https:\/\/pageloot.com\/es\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/pageloot.com\/es\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"sk"},{"@type":"Organization","@id":"https:\/\/pageloot.com\/es\/#organization","name":"Pageloot","url":"https:\/\/pageloot.com\/es\/","logo":{"@type":"ImageObject","inLanguage":"sk","@id":"https:\/\/pageloot.com\/es\/#\/schema\/logo\/image\/","url":"https:\/\/pageloot.com\/wp-content\/uploads\/2020\/03\/Pageloot-QR-Code-Generator-Scanner-Tools-Online.svg","contentUrl":"https:\/\/pageloot.com\/wp-content\/uploads\/2020\/03\/Pageloot-QR-Code-Generator-Scanner-Tools-Online.svg","width":1,"height":1,"caption":"Pageloot"},"image":{"@id":"https:\/\/pageloot.com\/es\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/pageloot\/","https:\/\/x.com\/getpageloot","https:\/\/www.instagram.com\/getpageloot\/","https:\/\/www.linkedin.com\/company\/pageloot\/","http:\/\/pinterest.com\/pageloot","https:\/\/www.youtube.com\/pageloot"]},{"@type":"Person","@id":"https:\/\/pageloot.com\/es\/#\/schema\/person\/fa28992c2e52546f0812833bac852dfe","name":"Siim T","image":{"@type":"ImageObject","inLanguage":"sk","@id":"https:\/\/pageloot.com\/wp-content\/litespeed\/avatar\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1792526369","url":"https:\/\/pageloot.com\/wp-content\/litespeed\/avatar\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1792526369","contentUrl":"https:\/\/pageloot.com\/wp-content\/litespeed\/avatar\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1792526369","caption":"Siim T"},"description":"Siim Tiigim\u00e4gi je s\u00fa\u010das\u0165ou inovat\u00edvnych slu\u017eieb gener\u00e1tora QR k\u00f3dov v spolo\u010dnosti Pageloot. S hlbok\u00fdmi odborn\u00fdmi znalos\u0165ami, ktor\u00e9 sa viac ako 5 rokov venuj\u00fa v\u00fdlu\u010dne QR k\u00f3dom, sa Siim stal odborn\u00edkom v tejto oblasti. Rob\u00ed v\u00fdznamn\u00e9 pokroky vo vyu\u017e\u00edvan\u00ed technol\u00f3gie QR na zjednodu\u0161enie a roz\u0161\u00edrenie digit\u00e1lnych interakci\u00ed. Jeho cesta sa neza\u010dala len tu. Siim m\u00e1 rozsiahle digit\u00e1lne z\u00e1zemie s viac ako 10-ro\u010dn\u00fdmi sol\u00eddnymi sk\u00fasenos\u0165ami v sektore softv\u00e9ru ako slu\u017eby (SaaS), \u010do sved\u010d\u00ed o jeho hlboko zakorenen\u00fdch znalostiach v oblasti digit\u00e1lnych rie\u0161en\u00ed.","sameAs":["https:\/\/www.linkedin.com\/in\/siim-tiigimagi\/"]},{"@type":"Question","@id":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000000","position":1,"url":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000000","name":"Pre\u010do je m\u00f4j QR k\u00f3d rozmazan\u00fd, ke\u010f ho vytla\u010d\u00edm?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Blurriness usually comes from a low-resolution file such as a small JPG or PNG. Download the code as SVG or PDF, which can be enlarged without losing quality, and print on a matte surface.","inLanguage":"sk"},"inLanguage":"sk"},{"@type":"Question","@id":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000001","position":2,"url":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000001","name":"M\u00f4\u017eem zmeni\u0165 odkaz v mojom QR k\u00f3de po jeho vytla\u010den\u00ed?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Only if it is a dynamic QR code. A static code stores the destination in the pattern, so it cannot be edited. A dynamic code uses a redirect link, so you can change the destination in your dashboard at any time.","inLanguage":"sk"},"inLanguage":"sk"},{"@type":"Question","@id":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000002","position":3,"url":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000002","name":"Pre\u010do moja kamera na iPhone alebo Androide nerozpozn\u00e1 k\u00f3d?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The usual causes are low contrast, a missing quiet zone, a code that is too small, or glare. Check that the margin is at least 4 modules, the modules are much darker than the background, and the code is at least 2 cm wide.","inLanguage":"sk"},"inLanguage":"sk"},{"@type":"Question","@id":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000003","position":4,"url":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000003","name":"Pre\u010do sa m\u00f4j QR k\u00f3d na kovovej visa\u010dke ned\u00e1 naskenova\u0165?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Shiny metal reflects light, and etched marks often have low contrast. Use a matte or painted surface, high-contrast black on a light area, a clear margin and a short link, then test the tag on two phones.","inLanguage":"sk"},"inLanguage":"sk"},{"@type":"Question","@id":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000004","position":5,"url":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000004","name":"Str\u00e1caj\u00fa QR k\u00f3dy platnos\u0165?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Static QR codes never expire. Dynamic codes work while your plan is active and become inactive after a paid plan ends.","inLanguage":"sk"},"inLanguage":"sk"},{"@type":"Question","@id":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000005","position":6,"url":"https:\/\/pageloot.com\/qr-code-marketing\/why-qr-code-not-working\/#faq-question-000000000005","name":"Ak\u00fd ve\u013ek\u00fd by mal by\u0165 QR k\u00f3d?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"At least 2 x 2 cm (0.8 x 0.8 inches) for close-range items. For distance scanning, use 1 foot of width for every 10 feet of distance.","inLanguage":"sk"},"inLanguage":"sk"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/posts\/2932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/comments?post=2932"}],"version-history":[{"count":4,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/posts\/2932\/revisions"}],"predecessor-version":[{"id":56952,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/posts\/2932\/revisions\/56952"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/media\/53174"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/media?parent=2932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/categories?post=2932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/sk\/wp-json\/wp\/v2\/tags?post=2932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}