TrustArc appears to add a deliberate delay in their cookie preference manager.

@TrustArc
Why does your EUPreferenceManger consistenly take exactly 30 seconds to save my opt out cookie preferences? What is it doing?

TrustArc
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troyhunt
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March 6, 2018
When you opt out of cookies in wwe.com, it shows a processing screen which takes about a minute to complete. If you click 'accept', it is processed instantly .

This website uses a privacy management tool called TrustArc which makes it much slower to opt out of tracking than to opt in.

wwe.com
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TrustArc
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Glassput
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September 21, 2020
Docker Hub has a delay when users opt out of tracking, and no delay when users opt.

"ummmm @Docker Hub cookies preferences take 20 seconds to be processed.. is this a @TrustArc technical challenge or a dark pattern? #darkpatterns"

TrustArc
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Docker Hub
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BogdanCovrig
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July 1, 2021
"Hey @StarbucksUK @TrustArc if you get rid of the unnecessary timeouts there won't be any need for this processing "status". This only happens when you customise your privacy settings, can you explain that Funny how some dark patterns are just accepted."

"@Starbucks @TrustArc proof that it doesn't have to take almost a minute to set client side cookies. In the first run I've crippled the timeout, the second run is stock."

TrustArc
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Starbucks
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Chris Corbett
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September 11, 2022