Conditions to be met for goods (images, text, software, etc.) that are hosted by HTTP

The conditions to be met for the goods (images, text, software, etc.) that are hosted by http:

• • Can be correctly identified

Content-language Description Language with Content-type header for media format, so browsers and other clients can handle content correctly

• • Can be correctly unpacked

Through Content-length header and content-encoding header

• • Is up-to-date with entity verification code and cache expiration control
• • Meets user's needs: Content negotiation header based on the Accept series
• • Fast and efficient transmission over the network (through range requests, differential encodings, and other data compression methods)
• • Complete arrival, not tampered with (via transmission coding header and CONTENT-MD5 checksum header)

Conditions to be met for goods (images, text, software, etc.) that are hosted by HTTP