Errors:
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:cc” not allowed here.
Attribute “xmlns:rdf” not allowed here.
Attribute “xmlns:svg” not allowed here.
Element “rdf:rdf” not allowed as child of element “metadata” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “svg2”.
Attribute “xmlns:sodipodi” not allowed here.
Attribute “xmlns:inkscape” not allowed here.
Attribute “inkscape:version” not allowed on element “svg” at this point.
Attribute “sodipodi:docname” not allowed on element “svg” at this point.
Element “sodipodi:namedview” not allowed as child of element “svg” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “pink-theme”.
Duplicate ID “metadata7”.
Duplicate ID “path4156”.
Duplicate ID “text4216”.
Bad value “18-06-18” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “18-06-09” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “18-04-28” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “18-04-05” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “18-03-25” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “18-03-18” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “https://twitter.com/intent/tweet?text=%22Code The Web — Web development explained for normal people%22%20by%20%40CodeTheWebBlog&url=https://codetheweb.blog/” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “rel” not allowed on element “div” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:cc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:rdf” is not serializable as XML 1.0.
Attribute with the local name “xmlns:svg” is not serializable as XML 1.0.
Element name “rdf:rdf” cannot be represented as XML 1.0.
Attribute “rdf:about” is not serializable as XML 1.0.
Element name “cc:work” cannot be represented as XML 1.0.
Element name “dc:format” cannot be represented as XML 1.0.
Attribute “rdf:resource” is not serializable as XML 1.0.
Element name “dc:type” cannot be represented as XML 1.0.
Element name “dc:title” cannot be represented as XML 1.0.
The first occurrence of ID “svg2” was here.
Attribute with the local name “xmlns:sodipodi” is not serializable as XML 1.0.
Attribute with the local name “xmlns:inkscape” is not serializable as XML 1.0.
Attribute “inkscape:version” is not serializable as XML 1.0.
Attribute “sodipodi:docname” is not serializable as XML 1.0.
Attribute “inkscape:pageopacity” is not serializable as XML 1.0.
Attribute “inkscape:pageshadow” is not serializable as XML 1.0.
Attribute “inkscape:window-width” is not serializable as XML 1.0.
Attribute “inkscape:window-height” is not serializable as XML 1.0.
Attribute “inkscape:zoom” is not serializable as XML 1.0.
Attribute “inkscape:cx” is not serializable as XML 1.0.
Attribute “inkscape:cy” is not serializable as XML 1.0.
Attribute “inkscape:window-x” is not serializable as XML 1.0.
Attribute “inkscape:window-y” is not serializable as XML 1.0.
Attribute “inkscape:window-maximized” is not serializable as XML 1.0.
Attribute “inkscape:current-layer” is not serializable as XML 1.0.
Element name “sodipodi:namedview” cannot be represented as XML 1.0.
The first occurrence of ID “pink-theme” was here.
The first occurrence of ID “metadata7” was here.
The first occurrence of ID “path4156” was here.
The first occurrence of ID “text4216” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.