Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “name”.
Attribute “src” not allowed on element “meta” at this point.
Element “meta” is missing required attribute “content”.
Stray end tag “meta”.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Duplicate ID “anon-personalbar”.
Duplicate ID “personaltools-login”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “datalynx”.
Duplicate ID “portal-searchbox”.
Duplicate ID “searchGadget_form”.
Duplicate ID “searchGadget”.
Duplicate ID “LSResult”.
Duplicate ID “LSShadow”.
Duplicate ID “portal-advanced-search”.
Duplicate ID “portal-globalnav”.
Duplicate ID “portaltab-news-level1”.
Duplicate ID “portaltab-all_news-level2”.
Duplicate ID “portaltab-people-level2”.
Duplicate ID “portaltab-treatment-level2”.
Duplicate ID “portaltab-research-level2”.
Duplicate ID “portaltab-finance-level2”.
Duplicate ID “portaltab-videos-level1”.
Duplicate ID “portaltab-treatment-level1”.
Duplicate ID “portaltab-clinical-trials-level1”.
Duplicate ID “portaltab-access-programs-level1”.
Duplicate ID “portaltab-database-level2”.
Duplicate ID “portaltab-partner-idis-level2”.
Duplicate ID “portaltab-rare_diseases-level1”.
Duplicate ID “portaltab-research-level1”.
Duplicate ID “portaltab-events-level1”.
Duplicate ID “portaltab-links-level1”.
Attribute “embed_url” not allowed on element “a” at this point.
Bad value “youtube” for attribute “type” on element “a”: Subtype missing.
Duplicate ID “horizontal-videos”.
Element “dl” is missing a required child element.
Duplicate ID “searchform”.
Element “div” is missing a required instance of child element “dd”.
Element “div” is missing a required instance of child element “dt”.
Element “br” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
Element “dl” is missing a required instance of child element “dd”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “anon-personalbar” was here.
The first occurrence of ID “personaltools-login” was here.
The first occurrence of ID “datalynx” was here.
The first occurrence of ID “portal-searchbox” was here.
The first occurrence of ID “searchGadget_form” was here.
The first occurrence of ID “searchGadget” was here.
The first occurrence of ID “LSResult” was here.
The first occurrence of ID “LSShadow” was here.
The first occurrence of ID “portal-advanced-search” was here.
The first occurrence of ID “portal-globalnav” was here.
The first occurrence of ID “portaltab-news-level1” was here.
The first occurrence of ID “portaltab-all_news-level2” was here.
The first occurrence of ID “portaltab-people-level2” was here.
The first occurrence of ID “portaltab-treatment-level2” was here.
The first occurrence of ID “portaltab-research-level2” was here.
The first occurrence of ID “portaltab-finance-level2” was here.
The first occurrence of ID “portaltab-videos-level1” was here.
The first occurrence of ID “portaltab-treatment-level1” was here.
The first occurrence of ID “portaltab-clinical-trials-level1” was here.
The first occurrence of ID “portaltab-access-programs-level1” was here.
The first occurrence of ID “portaltab-database-level2” was here.
The first occurrence of ID “portaltab-partner-idis-level2” was here.
The first occurrence of ID “portaltab-rare_diseases-level1” was here.
The first occurrence of ID “portaltab-research-level1” was here.
The first occurrence of ID “portaltab-events-level1” was here.
The first occurrence of ID “portaltab-links-level1” was here.
The first occurrence of ID “horizontal-videos” was here.
The first occurrence of ID “searchform” was here.