Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Benefits/drawbacks to different Schema markup languages (ie. JSON-LD, Microdata, RDFa)
-
Just a question (or questions) I have wondered about. What's the difference, besides the actual encoding, between the three? Why have three? Why not just the one? Seems to me that Microdata is the easiest, but maybe I am wrong. Is there a reason to use one versus another? I have not found anything explaining this on schema.org - I suppose this is just a discussion versus getting one right or wrong answer. I am just curious of the opinions of people in the SEO MOZ community. Unless of course there is one answer. I'll take that too.
-
Great, Peter. Thanks for the answers. I now understand the difference. Much appreciated.
-
That's right. JSON-LD doesn't require change of HTML compared with Microdata and RDFa. And this is one of answers why JSON-LD is beautiful. Second is because you can make changes in JSON-LD without touching HTML. Like adding new fields, parameters, etc.
About placing. I think that this can be just on home page. Placing in each page is pure rich snippet spam.
-
Hi Peter,
Thanks for the answer. So, as I understand it, and keep in mind this is coming from someone that is not very code-savvy, with JSON-LD, one could put the script anywhere in the HTML, the header, the body, the footer, etc. and it won't show up on the actual page, but the search engine will be able to read it. This implies that no changing or tweaking of the actual HTML is necessary, no messing around with 's or
's like you would with Microdata or RDFa, correct?
A follow up question, if I may, how would you implement something like a "local business" schema with JSON, would you put the script on every page, in the footer perhaps? Or would you just put it on the home page? Does it matter?
Thanks
-
So far we have Microdata, RDFa and JSON-LD.
I'll cover Microdata and RDFa in same because they're similar. So they both are addition to HTML attributes indicating what Schema.org field names correspond with what user-visible text on the page. Works perfect but need lot of developer work and designer changes. Because both backend (admin interface) and frontend (HTML) must be changed. And there are many issues that can be messed - incorrect implementation, "rich snippet spam", software bugs, etc. Look easy as 1-2-3 but in reality it's pain (PIA) for implementation and support. Example - only product implementation require in backend least 10 edit boxes if they're manual filled.
JSON-LD - it's relative new protocol based on Schema.org. The main benefit is that you split representation layer (HTML) from semantic layer (JSON-LD). In prev. formats - they're same and linked each other. Now they're split. This give you much more freedom than before. You can place HTML data whatever you wish and just add hidden JSON in head or in content that will add semantic marking. This is future (for now).
If you wish to read more about creation of JSON-LD then this article is for you:
http://manu.sporny.org/2014/json-ld-origins-2/
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
Same content, different languages. Duplicate content issue? | international SEO
Hi, If the "content" is the same, but is written in different languages, will Google see the articles as duplicate content?
Intermediate & Advanced SEO | | chalet
If google won't see it as duplicate content. What is the profit of implementing the alternate lang tag?Kind regards,Jeroen0 -
Schema for restaurants and menus?
Hi all, Anyone have experience with using Schema for restaurants other than the normal local business NAP? Is there a way to use Schema markup for food menus as well? Examples and schema code much appreciated 🙂 Thanks!
Intermediate & Advanced SEO | | RickyShockley0 -
Need a layman's definition/analogy of the difference between schema and structured data
I'm currently writing a blog post about schema. However I want to set the record straight that schema is not exactly the same as structured data, although both are often used interchangeably. I understand this schema.org is a vocabulary of global identifiers for properties and things. Structured data is what Google officially stated as "a standard way to annotate your content so machines can understand it..." Does anybody know of a good analogy to compare the two? Thanks!
Intermediate & Advanced SEO | | RosemaryB0 -
Intro to programming/coding for seo
Hello, I am currently a SEO and am looking for an Intro to programming/coding course to help me implement various technical SEO tasks for my clients and the business-as the programming dept will not help me, as they do not see the value of SEO. Could someone pls recommend an online course that would introduce me to basic concepts and also specifically, the information that would help me to enhance our SEO? I would also like to better understand APIs. Thanks so much in advance for your help! Lauren
Intermediate & Advanced SEO | | lfrazer1 -
Membership/subscriber (/customer) only content and SEO best practice
Hello Mozzers, I was wondering whether there's any best practice guidance out there re: how to deal with membership/subscriber (existing customer) only content on a website, from an SEO perspective - what is best practice? A few SEOs have told me to make some of the content visible to Google, for SEO purposes, yet I'm really not sure whether this is acceptable / manipulative, and I don't want to upset Google (or users for that matter!) Thanks in advance, Luke
Intermediate & Advanced SEO | | McTaggart0 -
Article/ Blog Post submissions
Hello All, I'm looking to perform a 'Standard' guest blog post link building tactic, but i'm a little unsure as where to start. Does anybody have a list/ guide to websites that accept guest posts? Preferably ones that are useful for SEO purposes, I have been link building for about 3 months now, but to be honest, most of these links are NoFollow, which isn't too great! Paul
Intermediate & Advanced SEO | | Paul_Tovey0 -
Schema.org and YouTube Videos
Hi, Does anyone know how to implement schema.org markup with YouTube embedded videos? Thanks Carlos
Intermediate & Advanced SEO | | Carlos-R0 -
Schema.org on Youtube iframe embed?
So I've tried scouring the internet on the proper way to markup youtube videos. I know there's the VideoObject propery but that seems to be more made for the old school embed code that looks like this: <embed width="100%" id="video-player-flash" height="100%" type="application/x-shockwave-flash" src="http://s.ytimg.com/yt/swfbin/watch_as3-vflpp9opi.swf" allowscriptaccess="always" allowfullscreen="true" bgcolor="#000000" flashvars="el=embedded&fexp=904001%2C914057%2C918000%2C910206%2C907217%2C907335%2C921602%2C919306%2C922600%2C919316%2C920704%2C912804%2C913542%2C919324%2C912706&is_html5_mobile_device=false&tabsb=1&hl=en_US&eurl=http%3A%2F%2Fwww.dial800.com%2Fblog%2Fvideos%2Fdial800-product-overview-video&iurl=http%3A%2F%2Fi4.ytimg.com%2Fvi%2Fgk1aD9UCKYA%2Fhqdefault.jpg&tspto=12000&probably_logged_in=1&tsp_buffer=10&video_id=gk1aD9UCKYA&tsp_dvrloop=50&sendtmp=1&enablejsapi=1&sk=WZy3rFIXzzhTB_BpmE1p1tTsbxMib1vIC&rel=1&playlist_module=http%3A%2F%2Fs.ytimg.com%2Fyt%2Fswfbin%2Fplaylist_module-vfl3lol2H.swf&jsapicallback=ytPlayerOnYouTubePlayerReady&playerapiid=player1&framer=http%3A%2F%2Fwww.dial800.com%2Fblog%2Fvideos%2Fdial800-product-overview-video"> Do I need to use that code or is it possible to mark it up using just the clean iframe src that youtube provides now?
Intermediate & Advanced SEO | | SirSud0