Fixing html warnings, errors & infos.
diff --git a/_includes/nav_bar.html b/_includes/nav_bar.html
index 3b04cb2..98fe6f1 100644
--- a/_includes/nav_bar.html
+++ b/_includes/nav_bar.html
@@ -33,12 +33,12 @@
</li>
<li>
<a href="/docs/Community/index.html" style="padding-top: 0; padding-bottom: 0;">
- <img class="ds-small-man" src="/img/datasketches-ManWhite.svg"/>COMMUNITY</a>
+ <img class="ds-small-man" src="/img/datasketches-ManWhite.svg" alt="Man in community">COMMUNITY</a>
</li>
<li>
<ul class="nav navbar-nav navbar-right ds-nav">
<li class="dropdown ds-nav" >
- <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false" style="padding-top: 0; padding-bottom: 0;"><img class="apache-logo" src="/img/feather.svg"/>Apache <span class="caret"></span></a>
+ <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false" style="padding-top: 0; padding-bottom: 0;"><img class="apache-logo" src="/img/feather.svg" alt="Apache feather">Apache <span class="caret"></span></a>
<ul class="dropdown-menu ds-nav">
<li><a href="https://www.apache.org/" target="_blank">Foundation</a></li>
<li><a href="https://www.apache.org/events/current-event" target="_blank">Events</a></li>
diff --git a/_includes/site_head.html b/_includes/site_head.html
index 3ec073c..0f597d3 100644
--- a/_includes/site_head.html
+++ b/_includes/site_head.html
@@ -1,5 +1,5 @@
<!-- Start _include/site_head.html -->
-<meta charset="UTF-8" />
+<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="datasketches">
@@ -26,7 +26,7 @@
</script>
<!-- original source: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMX_HTML-full -->
-<script type="text/javascript" src="/js/MathJax.js?config=TeX-AMS_HTML"></script>
+<script src="/js/MathJax.js?config=TeX-AMS_HTML"></script>
<!-- original source: https://code.jquery.com/jquery.min.js -->
<script src="/js/jquery.min.js"></script>
