http://localhost:3000 weekly 1 http://localhost:3000/series/spring-boot weekly 0.8 http://localhost:3000/series/linux weekly 0.8 http://localhost:3000/diary weekly 0.6 http://localhost:3000/series/spring-boot/spring-boot-la-gi-tu-spring-framework-den-mot-ung-dung-java-co-the-chay-ngay 2026-08-09T08:11:16.061Z monthly 0.6