Continuing this series thanks to a prod from user KS on the Field Limits doc:

 

Does URL field type have a character limit?

 

     Indeed it does: 255 characters.  And unlike with Integer fields this restriction is in sync with the SFDC field type of the same name, which also is limited to 255.

 

     This wouldn't be a problem, save for the fact that Marketo can't truncate longer URLs (including pathnames and query strings) to a guaranteed working URL.

 

     See, an implicitly-fully-qualified domain name like www.example.com or pages.en.example.co.uk not including any leading or trailing URL components like https:// or the /path/name?query=string must indeed be under 255 characters. (In fact it must be under 253.)

 

     So if you're only storing pre-parsed domain names, there's no problem with the max field length.

 

     But if your source could be a full Referrer URL, or a long URL from your product catalog, it's certainly possible to go over 255 characters.

 

 

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