Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “nav-homes” was here.
Text run is not in Unicode Normalization Form C.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “s” was here.
Errors:
CSS: “background-color”: Parse Error.
CSS: “font-weight”: “0” is not a “font-weight” value.
Duplicate ID “nav-homes”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/05/Anh 1 (Custom)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/04/Ảnh 1 (Custom)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/04/Anh 1-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/04/Anh 1 (Small)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/04/Đêm chung kết cuộc thi Rewrite The Stars 2019 (Small)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/04/Anh 1 (Small)-168x168.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/03/Anh 1-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/03/Anh 1 (Small)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/03/Anh 1-368x241.jpeg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2018/05/1 (Large)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/02/anh1 (Small)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/01/anh 1 (Small)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/01/Anh 1-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2019/01/1 (Small)-168x168.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “https://dav.edu.vn/wp-content/uploads/2017/03/Anh 1-367x367.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2017/01/Co Nguyen Thai Yen Huong-367x367.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2016/10/image 2 (Edited)-367x367.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2016/10/Anh 1-367x367.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2016/09/image001 (Mobile).jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://dav.edu.vn/wp-content/uploads/2016/04/photo 3-01 edited-367x367.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
No “p” element in scope but a “p” end tag seen.
Attribute “target” not allowed on element “div” at this point.
Attribute “href” not allowed on element “div” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
CSS: “font-size”: only “0” can be a “unit”. You must put a unit after your number.
CSS: “text-align”: Parse Error.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Duplicate ID “s”.
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