Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [rdfa]

RDFa is an HTML specification to embed rich semantic data labels within web pages, supporting machine readability.

1
vote
1answer
23 views

SDTT says “Unspecified Type” for 'name' in <link>

My code: <main vocab="http://schema.org"> <article typeof="NewsArticle"> <h2 property="headline">Wie instaliert Virtual Box in Windows 10</h2> <link property="image" ...
0
votes
1answer
24 views

<meta> for RDFa: “Attribute 'src' not allowed on element 'meta' at this point.”

I have this code for Schema.org; <main vocab="http://schema.org"> <article typeof="NewsArticle"> <h2 property="headline">Wie instaliert Virtual Box in Windows 10</h2> ...
0
votes
1answer
24 views

How to hide a text value in RDFa?

I want to hide the name of the publisher. My code: <article typeof="NewsArticle"> <h2 property="headline">Wie instaliert Virtual Box in Windows 10</h2> <meta img property="...
0
votes
1answer
45 views

NewsArticle: image required for Article

I to try to add an Image on my Code , how to tell here ,because Google Structured Data force it... , but every Time I come an error.. My Code; <main vocab="http://schema.org"> <article ...
1
vote
1answer
70 views

NewsArticle: “logo.itemtype has an invalid value”

I tested this RDFa on Google Structured Data Testing Tool: <main vocab="http://schema.org"> <article typeof="NewsArticle"> <h2 property="headline">Wie instaliert Virtual Box in ...
2
votes
1answer
24 views

Combining RDFa Lite author schema and rel=“author” HTML markup

Is there any way to retain the HTML rel part of the below snippet: <body vocab="http://schema.org/" typeof="AboutPage"> <address property="author" typeof="person">Contact <a rel="...
1
vote
2answers
48 views

Why does the SDTT tell me that the image field is missing?

I created a recipe on Drupal 8. When I test my page with Google Structured Data Testing Tool, it tells me that the image field is missing: Yet when I open the link of the image in my internet browser,...
3
votes
1answer
376 views

SEO schema.org Breadcrumb with display: none?

Background / Motivation I maintain a Drupal module (Crumbs), that calculates breadcrumbs for a Drupal site. I want to make those breadcrumbs SEO-friendly by using e.g. schema.org metadata semantic ...
3
votes
1answer
69 views

Is there a representative logo for Structured Data which can be used on icons?

My suspicion is that the answer very likely is "No." But I thought I'd ask anyway. Various common protocols, standards and technologies have their own logos: e.g. GSM, Email, RSS, WiFi, HTML5, ...
4
votes
1answer
225 views

Error “xmlns.com/foaf/0.1/Image is not a known valid target type for the image property”

I'm trying to test my page with the Google Structured Data Tool, but I run into this problem and I don't understand why. This is my code (with schema.org): <article id="node-402" class="node node-...
1
vote
0answers
41 views

Are Web Description Protocols useful for SEO

I feel new to SEO world, but for now everything I have found are like 20+ html meta tags where only 3 or 4 are in common use, the point is that after some digging I am on the crossroad between taking ...
2
votes
3answers
1k views

Is using the Open Graph Protocol helpful, harmless, or harmful to SEO?

I am doing an SEO project and I noticed that all of the meta tags have an "og" in the property attribute of the tag, such as: <meta property="og:title" content="" /> <meta property="og:type" ...
1
vote
1answer
83 views

Can Open Graph properties be effectively used on tags other than meta/link?

meta and link elements sometimes create a sort of redundancy in the markup. For example, there is already a title element but in order to declare an og:title property one would have to add a separate ...
2
votes
1answer
222 views

How to represent disease symptoms in Web Ontology Language

I want to be able to store free text medical records in an ontologically friendly format (preferably owl 2). While I have come across this useful resource: https://schema.org/MedicalSignOrSymptom it ...
1
vote
1answer
324 views

A good way to use RDFa in a WordPress post

I'm using the RDFa on the breadcrumbs, and this is the scheme of my code in a post: <div class="path" vocab="http://rdfa.data-vocabulary.org/#"> <span id="breadex">You are here: </...
0
votes
1answer
780 views

How to transform RDF to Microdata in a WordPress site?

I have a breadcrumb with RDF data and I want to adapt it to Microdata. First of all, I'm not sure about the structure, because it will work on a WordPress template. But I found this code: http://www....
2
votes
2answers
221 views

Using RDFa with an image inside of an H1 tag

I come from a development background but just recently starting learning SEO along with RDFa. I am working on our companies new website where the designer is using our different divisions logos at the ...
3
votes
2answers
298 views

Why can't Google handle rich snippets events with dates before 1970

Using Google's Rich Snippet Test Tool I couldn't get it to successfully recognize my event data (we have many sermons on our website dating back to 1947). Finally, I got it to recognize it when ...
1
vote
1answer
251 views

Breadcrumbs RDFA

Have implemented Breadcrumb RDFA http://www.mycarhelpline.com/index.php?option=com_forms&view=pages&layout=sellcar&Itemid=4 While checking the page , the RDFA Data shows property: ...
5
votes
1answer
2k views

How much time to update the Structured data in Search Results?

We have updated the structured data for the ratings in the website and it is detected also by the crawler but I am not able to view the ratings in the search results page. I can see the breadcrumb ...
0
votes
2answers
146 views

Would using RDFa improve ranking/traffic?

My website is a legal search engine, lawmirror.com, and there are about 600k records available online. Currently using XHTML5 and on some pages Microdata. Same record appears many times on ...
3
votes
2answers
186 views

Why use Microdata or RDFa, and which one to use?

I was checking my SEO score on few SEO sites and few of them told me that I don’t have Microdata or RDFa. I searched and found this: Microdata vs RFDa Good question, but I was wondering: Why should ...
0
votes
1answer
131 views

What is best for SEO - 'RDFa Semantic Web' or 'Link Building'

Given that RDFa is fairly sensible and Google use it, should I plug in some sensible semantic web tags into my site or should I invest my energies into link building? I was also planning to use this ...
7
votes
4answers
2k views

Microdata vs RFDa

I am wondering whether to use Microdata or RFDa to mark information for search engines on my Webapplication. Google supports and has documentation for both. But i was not able to find a summary ...
8
votes
3answers
461 views

What are the benefits of RDFa?

I've seen some blogs etc. about this new technology: RFDa, but is there any benefits in using it now. From what I understand, it's mainly used by search engines and other crawlers, but have Google, ...
4
votes
3answers
222 views

Can I use RDFa with HTML5?

Can I use RDFa with HTML5?