I'am not sure if it's good or bad also how helpfull it really is,
maybe someone on the list could help to understand this ;-)?!
I saw that browsers and cache proxies use Last-Modified as tag but not
as time value. If they want to revalidate response, they send
If-Modified-Since with the same value as they have received. MSIE adds
", length=XXXX" string. nginx gets time in seconds from IMS header and
does IMS == LM comparsion, but not "IMS <= LM" comparsion to return
Sorry but, the ETag is a addon for the LM and IMS as I have right
understand the rfc2616.
Yes, it's addition, but I do not see any ETag benefits over LM for static