새로고침할 때마다 다시 로그인하지 않아도 됩니다. 물론 세션은 사용자 계정이 없어도 유용합
니다. 웹사이트에서 로그인하지 않아도 어떤 날짜 형식을 좋아하는지, 데이터는 어떻게 정렬하
는지 기억하는 건 매우 흔한 사례입니다.
필자는 쿠키보다 세션을 권장하지만, 쿠키가 어떻게 동작하는지 이해하는 건 중요합니다. 쿠키
가 있어야 세션이 가능하니까요. 쿠키에 대해 이해하면 애플리케이션의 문제를 분석하고 보안
과 개인 정보에 관한 고려 사항을 이해하는 데 도움이 됩니다.
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