[ Thanks to Jeff
Garzik for this link. ]
“…consider the “question” that each browser and caching proxy
must ask itself, before requesting a page: Has this content changed
since the last time I requested it from the server?“It should obvious that the answer to this question cannot be
obtained from a last-modified timestamp.”
Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and Linux Today, he edits and writes for a portfolio of tech industry news and analysis websites including webopedia.com, and DatabaseJournal.com.
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