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oEmbed whitelisting?



We have our own iframe and we support oEmbed but we were wondering if you use the discovery feature (ie fetch the page and check if the oembed alternate is present like this or if you were using or if you have any internal whitelist?


Hi @joelg,

Can you please post the site Read-Only links, so that the community can take a look at your project and provide additional resources?

Thanks in advance!


Hi @Nita

So I forgot to mention that this is only concerning the Blog Posts of the CMS section

See screenshots:


Basically we have a custom iframe to embed fonts and it should work like any CodePen or Youtube video link.

For example, this a url that can work woth oEmbed:
And here is the oEmbed response

Here is a CodePen url that works:

Basically does Webflow has a whitelist or is using or parsing the metadata when using this “Paste a link to embed rich content” input?


@Nita So urls are now white-listed by and work in the CMS section of Webflow.

Webflow is using in the end :slight_smile: