I had hoped to address that point, but perhaps I'd just misunderstood
what's needed.
What I was proposing was for requests to be handled in the CGI
dynamically, so the older format would be translated to the new on
on-the-fly as requests come in. If there's no ".php?" in the request
then the URL would be used as-is, effectively supporting both formats.
A separate potential issue is the duplicate content penalty Google may
impose if it discovers that the same page can be accessed by two
different URLs. But if you add a canonical tag with the new-form URL to
the head you should be fine; with LC server even that could be added
on-the-fly as needed.
An extra benefit to a canonical tag (for G at least; I have no idea if
Bing or Yahoo are as thorough) is that over time G will update its index
using only the new URL, so eventually you'll be able to remove the
handling for the old-format URLs from your CGI script without losing any
SEO value.
Notes from G on canonical:
<https://support.google.com/webmasters/answer/139394>
--
Richard Gaskin
Fourth World
LiveCode training and consulting: http://www.fourthworld.com
Webzine for LiveCode developers: http://www.LiveCodeJournal.com
Follow me on Twitter: http://twitter.com/FourthWorldSys
jbv wrote:
yes of course, but that's not the point : there are thousands of links
that have
already been visited by googlebots and on the site upgrade that is about to
be put online, all these links will be changed from
mydomain.com/foo.php?someName_someCode
to
mydomain.com/?foo_someName_someCode
and we need to configure .htaccess with a permanent 301 redirect so that
all links already visited by bots don"t get lost...
What's handling those URLs on the backend? LC Server, PHP, or something
else?
If LC I would imagine you could alter the string following the domain to
simply replace ".php?" with "_", no?
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