Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “)"” not allowed on element “script” at this point.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “title”.
Duplicate ID “content”.
Duplicate ID “image”.
Duplicate ID “text_container”.
Duplicate ID “content_container”.
Duplicate ID “tag_container”.
Duplicate ID “writer”.
Stray end tag “div”.
Duplicate ID “container”.
Warnings:
Attribute “)"” is not serializable as XML 1.0.
The first occurrence of ID “title” was here.
The first occurrence of ID “content” was here.
The first occurrence of ID “image” was here.
The first occurrence of ID “text_container” was here.
The first occurrence of ID “content_container” was here.
The first occurrence of ID “tag_container” was here.
The first occurrence of ID “writer” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “container” was here.
This document appears to be written in Korean. Consider adding “lang="ko"” (or variant) to the “html” start tag.
Korea KR