Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Empty heading.
The first occurrence of ID “description” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Stray doctype.
Start tag “head” seen but an element of the same type was already open.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)
Bad value “https://twitter.com/intent/tweet?text=Sometimes you win, sometimes you learn. via @JoelMarsh https://tmblr.co/ZFLXGu2WYPklS” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://twitter.com/intent/tweet?text=Patiently improve. This is an old man’s game. via @JoelMarsh https://tmblr.co/ZFLXGu2WF_ueY” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://twitter.com/intent/tweet?text=How To Know Which Ideas Suck via @JoelMarsh https://tmblr.co/ZFLXGu2SBVyCW” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “http://www.facebook.com/sharer/sharer.php?s=100&p[title]=How To Know Which Ideas Suck&u=http://thehipperelement.com/post/167696646944/how-to-know-which-ideas-suck” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://twitter.com/intent/tweet?text=Be tough on ideas, gentle on people. via @JoelMarsh https://tmblr.co/ZFLXGu2S2_AJ_” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “strike” element is obsolete. Use CSS instead.
Bad value “https://twitter.com/intent/tweet?text=There is a considerable overlap between the intelligence of the smartest bears and the dumbest tourists. via @JoelMarsh https://tmblr.co/ZFLXGu2S2xxxH” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Duplicate ID “description”.
No “p” element in scope but a “p” end tag seen.
Bad value “https://twitter.com/intent/tweet?text= via @JoelMarsh https://tmblr.co/ZFLXGu2RsAunL” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://twitter.com/intent/tweet?text=How to Design Better Than Yourself via @JoelMarsh https://tmblr.co/ZFLXGu2QrOXkD” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “http://www.facebook.com/sharer/sharer.php?s=100&p[title]=How to Design Better Than Yourself&u=http://thehipperelement.com/post/166251862925/how-to-design-better-than-yourself” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://twitter.com/intent/tweet?text= via @JoelMarsh https://tmblr.co/ZFLXGu2QpCCV6” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://twitter.com/intent/tweet?text=The truth is true even if no one believes it, and untrue claims are still untrue even if everyone believes them. via @JoelMarsh https://tmblr.co/ZFLXGu2Qcdzdw” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “target” not allowed on element “div” at this point.
Stray end tag “a”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
United States US