html tidy errors and warnings

Hi friends,

 

I was cleaning up http://www.nicacresults.com using html tidy, and got
following errors and warnings.

 

Should I bother about these errors and warnings? What was the impact of
these errors on the site, if I leave them as it is. Please let me know.

 

49           Error: <nav> is not recognized!; Warning: discarding unexpected
<nav>

<nav class="top-nav iegradient effect-1" id="top-navigation"
role="navigation">

warn      67           Warning: discarding unexpected </nav>

</nav>

stop       69           Error: <header> is not recognized!; Warning:
discarding unexpected <header>

<header class="iegradient _head" id="header" role="banner">

warn      78           Warning: discarding unexpected </header>

</header>

stop       82           Error: <nav> is not recognized!; Warning: discarding
unexpected <nav>

<nav class="main-nav iegradient" id="main-navigation" role="navigation">

warn      88           Warning: discarding unexpected </nav>

</ul></nav>

stop       98           Error: <article> is not recognized!; Warning:
discarding unexpected <article>

<article class="post-16019 post type-post status-publish format-standard
hentry category-results-2015 tag-up-board-12th-results alt-post
feat-thumbnail post-style-default has_no_thumb" id="post-16019">

warn      112         Warning: discarding unexpected </article>

</article>

stop       115         Error: <article> is not recognized!; Warning:
discarding unexpected <article>

<article class="post-16000 post type-post status-publish format-standard
hentry category-ifsc-codes tag-ifsc-code tag-micr-code tag-sbi-ifsc-code
feat-thumbnail post-style-default has_no_thumb" id="post-16000">

warn      129         Warning: discarding unexpected </article>

</article>

stop       132         Error: <article> is not recognized!; Warning:
discarding unexpected <article>

<article class="post-15996 post type-post status-publish format-standard
hentry category-ifsc-codes tag-ifsc-codes tag-sbi-ifsc-codes alt-post
feat-thumbnail post-style-default has_no_thumb" id="post-15996">

warn      146         Warning: discarding unexpected </article>

</article>

stop       149         Error: <article> is not recognized!; Warning:
discarding unexpected <article>

<article class="post-15991 post type-post status-publish format-standard
hentry category-adsense feat-thumbnail post-style-default has_thumb"
id="post-15991">

warn      164         Warning: discarding unexpected </article>

</article>

stop       167         Error: <article> is not recognized!; Warning:
discarding unexpected <article>

<article class="post-15984 post type-post status-publish format-standard
hentry category-adsense tag-best-adsense-site-on-flippa-for-sale
tag-google-adsense-site-for-sale tag-google-traffic-adsense-site-for-sale
alt-post feat-thumbnail post-style-default has_thumb" id="post-15984">

warn      182         Warning: discarding unexpected </article>

</article>

stop       185         Error: <article> is not recognized!; Warning:
discarding unexpected <article>

<article class="post-15974 post type-post status-publish format-standard
hentry category-article-rewriter feat-thumbnail post-style-default
has_thumb" id="post-15974">

warn      200         Warning: discarding unexpected </article>

</article>

stop       203         Error: <article> is not recognized!

<article class="post-15969 post type-post status-publish format-standard
hentry category-make-money-online alt-post feat-thumbnail post-style-default
has_thumb" id="post-15969">

 

 

Sincerely,

M azharuddin