Why are frontend frameworks able to create custom attributes on html elements like Vue for instance <div v-for="..."> Html validators complain if I make up my own. <div something> Telling me I should pretend data- like this <div data-something> I…
I have a web page that returns in W3C Validator as fully validated (and is green). But when I run a check of the same URL in many SEO testing websites, it fails and tells me the errors it failed…
For better SEO I need put some meta on my page like this: <!-- Schema.org markup for Google+ --> <meta itemprop="name" content="The Name or Title Here"> <meta itemprop="description" content="This is the page description"> <meta itemprop="image" content="http://www.example.com/image.jpg"> Here is the source.…