Why am I seeing a discrepancy between cookies detected by PSAT vs those detected by Chrome DevTools? #420
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I've observed different numbers of cookies being reported by Google Chrome DevTools and the Privacy Sandbox Analysis Tool (PSAT) extension. Could you explain why this occurs? |
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You may observe discrepancies between the cookies shown by DevTools’s Application panel and PSAT for different reasons. For example, PSAT lists all cookies received from the network, including those not accepted by the browser, while Chrome DevTools displays only the cookies that have been accepted. Another plausible reason is that when using Chrome with third-party cookie deprecation (3PCD) enabled, visiting a third-party site directly might result in setting cookies in the browser as they are in a first-party context. These cookies will be visible in the Chrome DevTools Application panel, but won't appear in the PSAT extension. These are two examples that may trigger the discrepancies you have observed. Please check PSAT’s GitHub wiki to learn how to use the PSAT to analyze cookies on your site. |
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You may observe discrepancies between the cookies shown by DevTools’s Application panel and PSAT for different reasons. For example, PSAT lists all cookies received from the network, including those not accepted by the browser, while Chrome DevTools displays only the cookies that have been accepted.
Another plausible reason is that when using Chrome with third-party cookie deprecation (3PCD) enabled, visiting a third-party site directly might result in setting cookies in the browser as they are in a first-party context. These cookies will be visible in the Chrome DevTools Application panel, but won't appear in the PSAT extension.
These are two examples that may trigger the discrepancies y…