[wp-meta] [Making WordPress.org] #5481: Prevent/strip UTM tags in plugin readme 'internal' links

[Making WordPress.org]

#5481: Prevent/strip UTM tags in plugin readme 'internal' links
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 Reporter:  jonoaldersonwp    |      Owner:  (none)
     Type:  defect            |     Status:  new
 Priority:  lowest            |  Milestone:
Component:  Plugin Directory  |   Keywords:  analytics
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 Plugins like https://fr.wordpress.org/plugins/popups-for-divi/ include UTM
 parameters in their links (e.g., in this case,
 `?utm_source=wporg&utm_medium=link&utm_campaign=popups-for-divi`), for
 their own attribution purposes.

 However, when these links point to wordpress.org URLs, that breaks ''our''
 attribution (by resetting the user session and allocating it to the
 defined channel).

 That makes these kinds of links annoying at best, and, an attack vector on
 our analytics at worst.

 As such, we should strip these parameters when they're present on
 'internal' links (i.e., any which match something along the lines of
 `https?://([a-z-]+)\.wordpress\.org`).

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Ticket URL: <https://meta.trac.wordpress.org/ticket/5481>
Making WordPress.org <https://meta.trac.wordpress.org/>
Making WordPress.org