Details of : www.oostyle.net - W3 Validator

Url : www.oostyle.net
Page urlhttp://www.oostyle.net
Errors and details
info. Near the line 136 column 57 (From column 2).
The “banner” role is unnecessary for element “header”.
a> <header id="masthead" class="site-header" role="banner"> <di
info. Near the line 143 column 69 (From column 2).
The “navigation” role is unnecessary for element “nav”.
head --> <nav id="site-navigation" class="main-navigation" role="navigation"> <di
info. Near the line 178 column 48 (From column 3).
The “main” role is unnecessary for element “main”.
-area"> <main id="main" class="site-main" role="main">
info. Near the line 380 column 77 (From column 9).
The “navigation” role is unnecessary for element “nav”.
<nav class="navigation paging-navigation clearfix" role="navigation"> <h1
info. Near the line 396 column 149 (From column 121).
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
cs</h3><p><a id="last10" name="last10"></a><i
error. Near the line 436 column 137 (From column 121).
Duplicate ID “oOlogoCp”.
ogoC"> <p id="oOlogoCp">
info. Near the line 433 column 123 (From column 107).
The first occurrence of ID “oOlogoCp” was here.
ogoC"> <p id="oOlogoCp">
error. Near the line 437 column 116 (From column 9).
Duplicate ID “oOlogoCimg”.
> <img id="oOlogoCimg" src="https://oostyle.net/oO6/img/20161224_SitoO_cc_footer.gif" alt="CoOmmunity logo" /> <
info. Near the line 434 column 108 (From column 9).
The first occurrence of ID “oOlogoCimg” was here.
> <img id="oOlogoCimg" src="https://oostyle.net/oO6/img/2017oOlogoFooter.jpg" alt="CoOmmunity logo" /> <
info. Near the line 449 column 62 (From column 2).
The “contentinfo” role is unnecessary for element “footer”.
</div> <footer id="colophon" class="site-footer" role="contentinfo"> <di
info. Near the line 2 column 19 (From column 16).
This document appears to be written in Italian but the “html” start tag has “lang="en-US"”. Consider using “lang="it"” (or variant) instead.
TYPE html> <html lang="en-US"> <head