Sentry removed cookies from their website and shares the positive and negative impacts in this post. While going completely cookieless may seem daunting, it can bring benefits like respecting users’ privacy and aligning with audience desires. However, there are challenges such as attribution and remarketing becoming less effective. Sentry chose to remove all user tracking, including advertising cookies, to align with their privacy-conscious developer audience. They faced challenges with various tools and functionalities breaking and had to find alternative strategies for targeting, bidding, tracking, and reporting. The post provides insights and suggestions for running performance marketing without cookies.
https://blog.sentry.io/we-removed-advertising-cookies-heres-what-happened/