W3C validation is meaningless. HTML != XML, so there isn’t any schema to validate it. No browser will choke because you added a meta element with an unregistered name. If you really are worried, you could use the data attribute on a meta element like: <meta data-details=”52:AS6[rxSdsMd4RgYXJgeabsRAVBZ:0406139009]” data-policyId=”0123456789″ /> at least then you know no … Read more
URL encode the | (pipe characters) in the href attribute (%7C): <link rel=”stylesheet” type=”text/css” href=”http://fonts.googleapis.com/css?family=Open+Sans:400,600,300,800,700,400italic%7CPT+Serif:400,400italic%7CBree+Serif”>
“CSS class” is a misnomer; class is an attribute (or a property, in terms of scripting) that you assign to HTML elements. In other words, you declare classes in HTML, not CSS, so in your case the “target” class does in fact exist on those specific elements, and your markup is perfectly valid as it … Read more
(Theoretically) in HTML 4, <foo / (yes, with no > at all) means <foo> (which leads to <br /> meaning <br>> (i.e. <br>>) and <title/hello/ meaning <title>hello</title>). I use the term “theoretically” because this is an SGML rule that browsers did a very poor job of supporting. There was so little support (I only ever … Read more