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Angela700

: "Content Encoding Error" when refreshing a page with a tracking parameter Our email marketing system tracks clicks by appending a unique string after links within the email i.e. www.example.com/buy-now?tracking1

@Angela700

Posted in: #Htaccess #Url

Our email marketing system tracks clicks by appending a unique string after links within the email i.e. example.com/buy-now?tracking1 & example.com/buy-now?tracking2 etc.

The problem is: if a user views their email in the web browser, clicks on a link and then navigates back (via the browser button) to the email, the link no longer works. Refreshing the web page after the user has clicked through also breaks.

This doesn't show a 404 but a "This site can't be reached" error

This specific email links to multiple websites and there's only one site where this is happening.

Is this something that can be addressed via the .htaccess file?

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@Sent6035632

As Stephen Ostermiller identified, the issue was caused by a Wordpress caching plugin (WP-Super-Cache)

To fix the issue:

Go to Settings > Advanced > Then tick the box saying Don’t cache pages with GET parameters. (?x=y at the end of a url)

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