t\u0103ng t\u1ed1c \u0111\u1ed9 website<\/a>.<\/p>\n\n\nC\u01a1 ch\u1ebf c\u1ee7a Lazy load l\u00e0 cu\u1ed9n chu\u1ed9t \u0111\u1ebfn \u0111\u00e2u t\u1ea3i \u1ea3nh \u0111\u1ebfn \u0111\u00f3, nh\u1edd \u0111\u00f3 gi\u1ea3m \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u dung l\u01b0\u1ee3ng ban \u0111\u1ea7u t\u1ea3i v\u1ec1, qua \u0111\u00f3 t\u1ed1c \u0111\u1ed9 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n