Re: [OT] Mime Headers / Meta-Tags
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 49605
interpreted = N
texte = John Peacock wrote:> Donovan home EHG wrote: > >> It seems when referring to Mime Headers one is referring to >> what the server is able to send?? > > > All web servers send headers; the [setmimeheader] allows the > programmer to add new headers to the server output. Try to connect to > your server using a client like > > http://www.netdemon.net/ > > or > > http://samspade.org/ssw/ > > (sorry both Windows tools), and you will see this before your content:Here is a free one I found the other day: http://www.delorie.com/web/headers.html> > > HTTP/1.0 200 OK > MIME-Version: 1.0 > Server: WebSTAR/2.1 ID/51489 > Message-ID:
> Last-Modified: Wed, 12 Feb 2003 22:15:38 GMT > Content-type: text/html > Content-length: 2510 > > The server www.ehg.net is not necessarily going to be cacheable by > browsers or caching devices, because it is not sending all of the > possible MIME headers.You had to use a site that I haven't really touched in *years* (since W*2.1 actually) for an example. ;-)> See here for a more complete discussion: > > http://www.web-caching.com/mnot_tutorial/Took a brief glance... Looks very interesting, thanks.>> I'm not sure that they can't be called the same in some cases.. >> for example, I've seen (in my brief searches) mention of >> Expires Mime Header sent by the server. I've also seen mention >> of the Expires Meta-Tag overriding the Mime headers.?? > > > The Expires meta-tag is a hint to the browser, nothing more. Some web > servers (I believe the high end Netscape server did/does, but don't > quote me) can be set so that if they see a meta-tag they can promote > it to a MIME header. In any case, the meta-tag is never going to have > the same weight for the browser as an actual MIME header. > > That being said, other meta-tags have some utility, but not as much as > they used to. There was a time when web spiders were unsophisticated > and could be tricked into ranking a page higher by using lots of > meta-tags. This is largely no longer true; the spiders are much > smarter and some even decrease the score for a page if it appears to > be using meta-tags to excess. Thanks John! Things are getting clearer. :-)> This site has lots of useful information, even with a non-paying guest > account: > > http://www.searchenginewatch.com/couldn't find much info in the free area on Mime headers though (scoured it yesterday).Donovan> > > HTH > > John > -- * * |\ /| |/========================================\| ||---------* DONOVAN D. BROOKE *----------|| ||Administrator of IT / Assc. Art Director|| || EPSEN HILLMER GRAPHICS || || 2000 California St. || || Omaha, NE 68132 || ||----------------------------------------|| || http://www.hgproforms.com/ || || http://www.ehg.net/ || |\========================================/| |/ \| * *------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Associated Messages, from the most recent to the oldest:
John Peacock wrote:> Donovan home EHG wrote: > >> It seems when referring to Mime Headers one is referring to >> what the server is able to send?? > > > All web servers send headers; the [setmimeheader] allows the > programmer to add new headers to the server output. Try to connect to > your server using a client like > > http://www.netdemon.net/ > > or > > http://samspade.org/ssw/ > > (sorry both Windows tools), and you will see this before your content:Here is a free one I found the other day: http://www.delorie.com/web/headers.html> > > HTTP/1.0 200 OK > MIME-Version: 1.0 > Server: WebSTAR/2.1 ID/51489 > Message-ID: > Last-Modified: Wed, 12 Feb 2003 22:15:38 GMT > Content-type: text/html > Content-length: 2510 > > The server www.ehg.net is not necessarily going to be cacheable by > browsers or caching devices, because it is not sending all of the > possible MIME headers.You had to use a site that I haven't really touched in *years* (since W*2.1 actually) for an example. ;-)> See here for a more complete discussion: > > http://www.web-caching.com/mnot_tutorial/Took a brief glance... Looks very interesting, thanks.>> I'm not sure that they can't be called the same in some cases.. >> for example, I've seen (in my brief searches) mention of >> Expires Mime Header sent by the server. I've also seen mention >> of the Expires Meta-Tag overriding the Mime headers.?? > > > The Expires meta-tag is a hint to the browser, nothing more. Some web > servers (I believe the high end Netscape server did/does, but don't > quote me) can be set so that if they see a meta-tag they can promote > it to a MIME header. In any case, the meta-tag is never going to have > the same weight for the browser as an actual MIME header. > > That being said, other meta-tags have some utility, but not as much as > they used to. There was a time when web spiders were unsophisticated > and could be tricked into ranking a page higher by using lots of > meta-tags. This is largely no longer true; the spiders are much > smarter and some even decrease the score for a page if it appears to > be using meta-tags to excess. Thanks John! Things are getting clearer. :-)> This site has lots of useful information, even with a non-paying guest > account: > > http://www.searchenginewatch.com/couldn't find much info in the free area on Mime headers though (scoured it yesterday).Donovan> > > HTH > > John > -- * * |\ /| |/========================================\| ||---------* DONOVAN D. BROOKE *----------|| ||Administrator of IT / Assc. Art Director|| || EPSEN HILLMER GRAPHICS || || 2000 California St. || || Omaha, NE 68132 || ||----------------------------------------|| || http://www.hgproforms.com/ || || http://www.ehg.net/ || |\========================================/| |/ \| * *------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Donovan
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