Support » Plugin: The SEO Framework » Dublin core metadata

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  • Plugin Author Sybre Waaijer



    DC consists of a standard set of tags proposed back in 1995 that has never been widely adopted by the internet. It has since been superseded by more robust means through the collaboration of tech giants.

    What this led to is, which we use.

    DC’s latest public revision dates back to 2012. And it seems to only cover usage for libraries, scientific research papers, and legal offices. In other words: it’s for bookkeeping.

    With that, I see no reason to implement DC tags for SEO.

    Plugin Support Pierre LeBaux


    Hello! Just to expand on Sybre’s answer, here is my take.

    I came across something today called the Dublin Core metadata. What’s your opinion on it?

    Dublin core is older, more generic and open metadata framework. It was designed to make the web more semantic and understandable. It gained credibility because it was backed by pretty big names in standardization, such as RFC, ISO and NISO. In an alternative reality DC took off and we use it to categorize everything. Not only SEO metadata, such as title and description but also books, cars, parts, nails, people and it’s attributes like colour, size, type… anything, really. But in this reality, DC never took off and was rolled over by other metadata standards., on the other hand, is specifically made by and for search engines. Since Google has massive influence over everything, gained traction and today is recognized as a standard for SEO.

    There is more than DC and There is Open Graph used by Facebook, also Twitter has its own metadata. We output those since they are clearly useful. So as you can see, there is no real standard here.

    And do you think it is important n any way for WordPress?

    At this time, it is resounding no. There are a couple of reasons for it:

    1. DC project itself is stale. There was no meaningful progress for well over a decade. Interestingly enough, there will be a notable DCMI conference this month.
    2. Search engines do not prefer it. I was not able to find mention of DC in Google webmaster guidelines at all. Moreover, Google takes DC metadata as a last resort in the case of books, where DC should excel. I can only speculate here, but it seems Google is not fond of DC at all.
    3. There are no social networks or other widely popular sites taking advantage of DC. In its current form, DC provides little to no value on all fronts.

    Since there is no documentation, research or clear benefit of using DC for SEO, we are not going to implement DC into TSF in the near future, as it would just add more SEO “busy work” that does not help you rank better in search engines.
    We build SEO to save you time not waste it. We are very careful to only implement features that are useful beyond a reasonable doubt. That is The SEO Framework difference.

    Implementing as many features as possible is deceptive marketing tactic used by a growing number of WordPress plugins to manipulate users. More features ≠ more SEO. And it is not in SEO, it is everywhere. Be wary of that.

    As with all new possible features, we will keep an eye on Dublin Core and associated research. If it shows any value in the future, we will add it.


    Thanks to both of you for the detailed explanation. I learned something today. Thanks.

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