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  • Výsledek:
    Dokument neprošel validací, 8 chyb a 1 varování.
    https://www.chatcity.it/  
    text/html — HTML 5 
    utf-8  (tvrdí HTTP hlavička a interní deklarace) 
    Zobrazit:
     

    # Stránka není validní HTML 5.

    Následuje seznam připomínek:

    1. Chyba Řádek 1, znak 22: atribut "lang" elementu "html": The language subtag "it_it" is not a valid language subtag má nedovolenou hodnotu "it_it".
      <!doctype html><html lang="it_it"><head><meta charset="UTF-8"><meta name="viewpor
      ^
    2. Varování Řádek 1, znak 63: Consider avoiding viewport values that prevent users from resizing documents..
      ang="it_it"><head><meta charset="UTF-8"><meta name="viewport" content="width=devi
      ^
    3. Chyba Řádek 1, znak 202: Using the "meta" element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead..
      le=1.0, maximum-scale=1.0, minimal-ui"/><meta http-equiv='content-language' conte
      ^
    4. Chyba Řádek 1, znak 5419: An "img" element must have an "alt" attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images..
      ss="row"><div class="col-md-6 col-lg-7"><img width="100%" height="500px" style="w
      ^
    5. Chyba Řádek 1, znak 5424: atribut "width" elementu "img": Expected a digit but saw "%" instead má nedovolenou hodnotu "100%".
      ow"><div class="col-md-6 col-lg-7"><img width="100%" height="500px" style="width:
      ^
    6. Chyba Řádek 1, znak 5437: atribut "height" elementu "img": Expected a digit but saw "p" instead má nedovolenou hodnotu "500px".
      s="col-md-6 col-lg-7"><img width="100%" height="500px" style="width:100%;max-heig
      ^
    7. Chyba Řádek 1, znak 5681: An "img" element must have an "alt" attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images..
      ss="js_panel "><div class="card-header"><img class="card-img" src="https://www.ch
      ^
    8. Chyba Řádek 1, znak 7293: An "img" element must have an "alt" attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images..
      anel x-hidden"><div class="card-header"><img class="card-img" src="https://www.ch
      ^
    9. Chyba Řádek 1, znak 8861: The first child "option" element of a "select" element with a "required" attribute, and without a "multiple" attribute, and without a "size" attribute whose value is greater than "1", must have either an empty "value" attribute, or must have no text content. Consider either adding a placeholder option label, or adding a "size" attribute with a value equal to the number of "option" elements..
      ="gender" class="form-control" required><option value="none">Seleziona sesso:</op
      ^
    Validní HTML 4.01!

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