Automatic Redirection

Gerard M Foley

Can one write a webpage which is not displayed but which simply redirects
the user to another page without any action by the user?

Sorry if this is simple, but I am sometimes simple myself.

Happy New Year
--
Gerry
http://www.pbase.com/gfoley9999/
http://foley.ultinet.net/~gerry/aerial/aerial.html
http://home.columbus.rr.com/gfoley
http://www.fortunecity.com/victorian...ypt/egypt.html

Jul 23 '05 #1

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Jan Roland Eriksson

On Tue, 28 Dec 2004 00:16:39 GMT, "Gerard M Foley"
<gf****@columbu s.rr.com> wrote:

Can one write a webpage which is not displayed but which simply redirects
the user to another page without any action by the user?

Sure; read up on how your www server is designed to handle such things.

HTTP response codes should be your matter of interest.

--
Rex

Jul 23 '05 #2

Jim Lawton

On Tue, 28 Dec 2004 04:08:03 +0100, Jan Roland Eriksson <jr****@newsguy .com>
wrote:

On Tue, 28 Dec 2004 00:16:39 GMT, "Gerard M Foley"
<gf****@columb us.rr.com> wrote:
Can one write a webpage which is not displayed but which simply redirects
the user to another page without any action by the user?

Sure; read up on how your www server is designed to handle such things.

HTTP response codes should be your matter of interest.

cryptic eh?

I think he speaks of this kind of thing ...
http://www.checkupdown.com/status/E303.html

another way is to make your "landing" page a single frame frames page, and make
the source of that frame your redirection URL ... this is used by many "parking"
services like :-

<html>
<head>

<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1"><title>xxxxx xxxxx</title></head>
<frameset rows="100%,*" border="0" framespacing="0 " frameborder="0" >
<frame src="http://homepage.ntlwor ld.com/xxxxxxxxx/">
</frameset>
<noframes>
<body>
The website for jimlawton.info can be found by clicking <a
href="http://homepage.ntlwor ld.com/xxxxxxxxxx/">here</a>.
xxxxxxxxxxis registered through <a href="http://easily.co.uk">E asily.co.uk - get
web site hosting or domain name registration here</a><br></body>
</noframes>
</html>

HTH

Jim

Jul 23 '05 #3

Jukka K. Korpela

Jim Lawton <uc**@use.your. initiative> wrote:

I think he speaks of this kind of thing ...
http://www.checkupdown.com/status/E303.html
Then you haven't understood the question, still less the answer.
This is a common symptom of trying to help without even reading the
FAQs first.

(303 response code is very special, and it is highly improbable that
the OP wanted anything like that)
another way is to make your "landing" page a single frame frames
page, and make the source of that frame your redirection URL ...

So you insist on suggesting "solutions" that in reality just create
problems.

Please keep your forged From field as a cluelessness/trolling indicator
until you wish to contribute something useful.

--
Yucca, http://www.cs.tut.fi/~jkorpela/
Pages about Web authoring: http://www.cs.tut.fi/~jkorpela/www.html

Jul 23 '05 #4

Jim Lawton

On Tue, 28 Dec 2004 11:36:08 +0000 (UTC), "Jukka K. Korpela"
<jk******@cs.tu t.fi> wrote:

Jim Lawton <uc**@use.your. initiative> wrote:
I think he speaks of this kind of thing ...
http://www.checkupdown.com/status/E303.html
Then you haven't understood the question, still less the answer.
This is a common symptom of trying to help without even reading the
FAQs first.

I think I did. The answer isn't an answer but a hint.
(303 response code is very special, and it is highly improbable that
the OP wanted anything like that)
But how would we know?

another way is to make your "landing" page a single frame frames
page, and make the source of that frame your redirection URL ...

So you insist on suggesting "solutions" that in reality just create
problems.

I don't "insist", I offer a common solution.If you were to explain why it
creates problems, then we might learn something, as it is, we are left in
"ignorance" .
Please keep your forged From field as a cluelessness/trolling indicator
until you wish to contribute something useful.

My from field isn't forged, it is a hint. It is only necessary for anyone to
google to find out who I am, as I use my own name, not a common thing amongst
trolls.

I thank you for your curteous and helpful contribution. Please don't hesitate to
post more in the same vein if it makes you feel better. It might be more useful
to help the OP with his problem, however, as I tried to.

Jim
jml at jimlawton dot info

Jul 23 '05 #5

Jan Roland Eriksson

On Tue, 28 Dec 2004 08:43:03 GMT, Jim Lawton
<uc**@use.your. initiative> wrote:

On Tue, 28 Dec 2004 04:08:03 +0100, Jan Roland Eriksson <jr****@newsguy .com>
wrote:
On Tue, 28 Dec 2004 00:16:39 GMT, "Gerard M Foley"
<gf****@colum bus.rr.com> wrote:
Can one write a webpage which is not displayed but which simply redirects
the user to another page without any action by the user?
Sure; read up on how your www server is designed to handle such things.
HTTP response codes should be your matter of interest.

cryptic eh?
Not at all; what the OP is asking for has been a standard function in
the HTTP protocol from day one of its existence.
I think he speaks of this kind of thing ...
http://www.checkupdown.com/status/E303.html
That's "bull" if you forgive me for saying it out loud.

The OP has a "hunch" that it should be possible to type in a URL in
his www client, send that URL as part of an HTTP request to a server
that in turn redirects his www client to request another URL resource
instead.

That's simple as PI; configure the server to return an HTTP "302 Moved
Temporarily" header as a response to the first URL. There's not even a
need to actually have a specific resource (page) in storage at the
server for that first URL.

For any decent www server, all it takes is a few lines of plain text
in a configuration file for that server. (for Apache that would be an
entry in the users own .htaccess file)
another way is to make your "landing" page a single frame frames page...

And that's even worse than your first suggestion. Why do you insist to
cross the river to fetch water?

--
Rex

Jul 23 '05 #6

Jim Lawton

On Tue, 28 Dec 2004 14:02:42 +0100, Jan Roland Eriksson <jr****@newsguy .com>
wrote:

On Tue, 28 Dec 2004 08:43:03 GMT, Jim Lawton
<uc**@use.your .initiative> wrote:
On Tue, 28 Dec 2004 04:08:03 +0100, Jan Roland Eriksson <jr****@newsguy .com>
wrote:
On Tue, 28 Dec 2004 00:16:39 GMT, "Gerard M Foley"
<gf****@colu mbus.rr.com> wrote:
Can one write a webpage which is not displayed but which simply redirects
the user to another page without any action by the user?

Sure; read up on how your www server is designed to handle such things.
HTTP response codes should be your matter of interest.
cryptic eh?
Not at all; what the OP is asking for has been a standard function in
the HTTP protocol from day one of its existence.
I think he speaks of this kind of thing ...
http://www.checkupdown.com/status/E303.html

That's "bull" if you forgive me for saying it out loud.

The OP has a "hunch" that it should be possible to type in a URL in
his www client, send that URL as part of an HTTP request to a server
that in turn redirects his www client to request another URL resource
instead.

That's simple as PI; configure the server to return an HTTP "302 Moved
Temporarily" header as a response to the first URL. There's not even a
need to actually have a specific resource (page) in storage at the
server for that first URL.

Maybe that's the kind of pointer he was looking for?
For any decent www server, all it takes is a few lines of plain text
in a configuration file for that server. (for Apache that would be an
entry in the users own .htaccess file)

Well, he might not have access to his server, for instance...
another way is to make your "landing" page a single frame frames page...

And that's even worse than your first suggestion. Why do you insist to
cross the river to fetch water?

The firt wasn't "my suggestion", it was what your first post led me to
conjecture.

Well, he might not have access to his server, for instance...

And if it's such a dreadful suggestion, why is it the technique used by one of
the major domain name sellers in the UK? And I don't think I "insisted" did I?

Jim

Jul 23 '05 #7

Jukka K. Korpela

Jan Roland Eriksson <jr****@newsguy .com> wrote:

That's simple as PI; configure the server to return an HTTP "302
Moved Temporarily" header as a response to the first URL.

Why 302? In the absence of evidence to the contrary, it seems obvious
that people really want something that means _permanent_ (301)
redirection. For some odd reason, Apache uses 302 as the default, but
we need not imitate that.

Even if the redirection is "temporary" in the everyday sense (e.g.,
John Doe is moving his pages from server A to server B and might well
soon move them to server C, the redirection should normally be
permanent in the HTTP sense (see
http://www.w3.org/Protocols/rfc2616/...html#sec10.3.2 ).

If e.g. a search engine is checking things out, it should observe the
change and store the B address into its data base, throwing the old one
away. Otherwise*) there's the risk that later, when the site has been
moved to C, the search engine finds an A address in its data base and
tries to use it but that server no longer exists or the redirection has
been removed (e.g. because the person no longer pays for it), so the
search engine will not find the B address and get redirected to C.

*) For temporary redirection, the correct action for a search engine is
to use it to fetch the actual content but keep the old address in its
data base and return it in search results.

--
Yucca, http://www.cs.tut.fi/~jkorpela/
Pages about Web authoring: http://www.cs.tut.fi/~jkorpela/www.html

Jul 23 '05 #8

Dr John Stockton

JRS: In article <k9************ *************** *****@4ax.com>, dated
Tue, 28 Dec 2004 04:08:03, seen in news:comp.infos ystems.www.authoring.h
tml, Jan Roland Eriksson <jr****@newsguy .com> posted :

On Tue, 28 Dec 2004 00:16:39 GMT, "Gerard M Foley"
<gf****@columb us.rr.com> wrote:
Can one write a webpage which is not displayed but which simply redirects
the user to another page without any action by the user?

Sure; read up on how your www server is designed to handle such things.

HTTP response codes should be your matter of interest.

Why are the regulars here so determined to be unhelpful given the
slightest excuse? The question that you have given a sort of indirect
answer to is not even the question that was actually asked.

The OP wishes, he says, to write a Web page that redirects; and a Web
page is the material, headers apart, transmitted in response to an HTTP
request; typically, at least, starting <DOCTYPE or <HTML and ending
</HTML>.

He has not asked about configuring a WWW server. It might be useful to
tell him something about that, or to cite explicitly a reliable
reference; but that does not answer the question that he asked. He may
not even have access to server configuration.
The answer to the question asked is "Yes, though I cannot be sure that
it works on all possible systems, nor that formal standards cover the
matter."

And for the question implied, an illustration :
<URL:http://www.merlyn.demo n.co.uk/gravity.htm> summons a page
including, in the <HEAD> section, a line
<META HTTP-EQUIV="REFRESH" CONTENT="2; URL='gravity0.h tm'">,
which, after 2 seconds, summons
<URL:http://www.merlyn.demo n.co.uk/gravity.htm> as a replacement; but
ISTR that one is, or was, advised to include an ordinary link like
<a href="gravity0. htm">gravity0.h tm</a> as a backup.

--
© John Stockton, Surrey, UK. ?@merlyn.demon. co.uk Turnpike v4.00 MIME. ©
Web <URL:http://www.merlyn.demo n.co.uk/> - FAQqish topics, acronyms & links;
some Astro stuff via astro.htm, gravity0.htm ; quotings.htm, pascal.htm, etc.
No Encoding. Quotes before replies. Snip well. Write clearly. Don't Mail News.

Jul 23 '05 #9

Alan J. Flavell

On Tue, Dec 28, Jim Lawton inscribed on the eternal scroll:

Well, he might not have access to his server, for instance...
Then he's not really publishing pages on the WWW. This is something
that anyone who is putting web pages on the WWW *needs* as a regular
part of their publishing repertoire. And it's so easy to put this
under user control in any serious web server (e.g Apache). Anything
less would be short-changing the user, and they should go moaning to
their service provider, not trying to find excuses to post to usenet.

another way is to make your "landing" page a single frame frames
page...

oh, mercy...
And if it's such a dreadful suggestion, why is it the technique used
by one of the major domain name sellers in the UK?

Without naming names - would we buy a used web page from such
unserious operators?

Jul 23 '05 #10

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