(Entry was posted by Jason Chong on this post in the Dumb SEO Questions community on Facebook, 08/22/2019).

Some schema info gets double up on a page

Hi, schema question.I am working on a site with an events calendar that automatically generates some schema for events. I also have Rank Math installed as it`s options for schema are better. I cannot disable the event calendar schema. Is there an issue if some schema info gets double up on a page (eg basics of event name, date, time, price repeated)?

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YOUR ANSWERS

Selected answers from the Dumb SEO Questions Facebook & G+ community.

Casey Markee: Google is okay with duplicate structured data on a page because of use cases just like your own.

In this situation, Google will just find and parse the most complete and error-free set.

Years ago, in the recipe niche, we used to serve both Microdata and JSON-LD markup side-by-side while waiting for plugins to "catch-up."

It was fine then, it`s not an issue now.
Jason Chong: Casey Markee thanks, appreciate the insight
Richard Hearne: Does any of the data differ, or is it just that one block has the same data but more than the other?
Jason Chong: Richard Hearne one block has more data than the other. Any overlap should be consistent (though have picked up a couple of inconsistencies due to the plugin closings eg rankmath is setup to provide address in proper format whereas calendar plugin is delivering it as one single text line)
Richard Hearne: Those edge cases are very likely to prove problematic, but for the rest you might just need to wait and see.

Although you might not have a switch to turn off the calendar schema output, there may be a way to do so via a custom function. Maybe reach out to calendar plugin creator to ask if there is such a switch built-in which can be triggered by a function. Otherwise, maybe offer to pay someone to look into this?