Connected: An Internet Encyclopedia
13.3.1 Last-modified Dates
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13.3 Validation Model
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13.3.1 Last-modified Dates
13.3.1 Last-modified Dates
The Last-Modified entity-header field value is often used as a cache
validator. In simple terms, a cache entry is considered to be valid
if the entity has not been modified since the Last-Modified value.
Next: 13.3.2 Entity Tag Cache Validators
Connected: An Internet Encyclopedia
13.3.1 Last-modified Dates