Third-party cookies are a trade-off. Leaving them open makes the web smoother but gives advertisers more data about where you go. The best strategy is the "Targeted Fix" (Chapter 2)—unblock them only for the specific sites you trust, keeping the guard up for the rest of the internet.
The topic is a valid technical need, but in 99% of cases, the correct answer is "don't" . Modern Chrome’s privacy defaults are there for good reason. If you must unblock, limit it to specific, trusted sites via the "Always allow" exceptions. For everyday browsing, third-party cookies should remain blocked. unblock third party cookies chrome