#Cookie viewer sqlite code#
In JavaScript, it is straightforward to get a user’s cookie preference, and then block third-party cookies from generating code accordingly. Cookies set up in Zillow’s code: This took us some time to hunt down all the remaining cookie origins in the code base.Cookies derived from tags in Google Tag Manager: In Google Tag Manager, you can easily set up a block trigger to block all the tags that generated advertising cookies.The source of Zillow’s cookies could broadly be categorized into two groups:
In this article we’ll explore how Zillow leverages AWS Lambda, Selenium, Python, and Chrome to implement our Cookie Checker. This summer, an intern on our Adtech Product team built an automatic cookie scanning tool called Cookie Checker, so in the future if a team introduces a new cookie without logging it, Zillow is notified immediately.Ĭookie Checker gives us an extra measure of assurance that no cookies have been added without first making them adhere to the user’s cookie preference. If a user chooses to disable their functional/advertising cookies, corresponding cookies will not be generated on any Zillow pages. As a result of that work, Zillow upgraded its cookie preference banner in page footer, which allows each user to set their cookie preferences. Zillow started its cookie house-cleaning project in 2018. When was the last time you took a look at your website’s cookies? Are there a lot? Where do they come from and which teams are controlling them? Could your website block third-party advertising cookies based on each user’s preference? With a large development team, it can be hard to keep track of all the places new cookies creep in.
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