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kringle
(@kringle)

6 years, 7 months ago
Just updated to latest version of WP and twenty seventeen. Made some changes to my child theme and decided to check the html using https://validator.w3.org. It returned several errors relating to the theme’s built-in Social Links Menu. For example:
```
Attribute href not allowed on element use at this point.
<use?href="#icon-youtube" xlink:href="#icon-youtube"></use>
```
There were similar errors for all my other social media links (Facebook, G+, Twitter etc.) as well as “#icon-arrow-left” and “#icon-arrow-right” (i.e. next and previous page links).

Am I the only one getting these validation errors or is this a bug?

I did check, and the errors occur on both my child and parent theme. I included a link to a sample page but the errors occur in all of my pages, including the blog homepage, https://santa-claus-blog.emailsanta.com.

Thank you for your help and Merry Christmas!
Kringle

P.S. FWIW, there are also numerous warnings about the “type” not being required for the script tag:
<script type='text/javascript'
Don’t know if anyone wants to tidy up the code for that.

The page I need help with: [log in to see the link]

Viewing 4 replies - 1 through 4 (of 4 total)

Andrew Nevins
(@anevins)

WCLDN 2018 Contributor | Volunteer support

6 years, 7 months ago

Looking at the W3C documentation on the ‘use’ and ‘script’ element, it seems the W3C is out-dated and the validator does not conform to current web standards.

Andrew Nevins
(@anevins)

WCLDN 2018 Contributor | Volunteer support

6 years, 7 months ago

If in doubt, search the Mozilla Web Docs for guidance https://developer.mozilla.org/en-US/

Thread Starter kringle
(@kringle)

6 years, 7 months ago

Thanks for the quick reply!

Hmm, can’t speak to ‘use’ at the moment, but “Authors should omit the [mime-type] attribute” since HTML5. See https://www.w3.org/TR/html5/semantics-scripting.html#element-attrdef-script-type

There’s some background at https://stackoverflow.com/questions/2267476/html-script-tag-type-or-language-or-omit-both.

It’s a simple & low priority fix, but still important I think given the quantity of websites using WP sending out the unnecessary code. Not to mention SEO considerations given Google’s nit-picking.

Thread Starter kringle
(@kringle)

6 years, 7 months ago

Digging some more,

Since SVG 2, the xlink:href attribute is deprecated in favor of simply href.

https://developer.mozilla.org/en-US/docs/Web/SVG/Element/use. Perhaps this should be removed as well in a future release? Is this the place to make such a suggestion?

It’s unclear to me now whether the W3 Validator error is regarding the xlink:href or the href attribute. I would still assume the latter as the former would only be a warning similar to the mime-type issue previously discussed.

Viewing 4 replies - 1 through 4 (of 4 total)

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