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Dynamic URL Rewriting Done Right

February 01, 2006

Doug Ausbury

A recent press release announced Biblio.com selecting Intrapromote as their SEO partner.

Biblio.com touts 30 million used books, rare books & out-of-print books. You can imagine the mass quantity of database driven dynamic URLs on a site the size of Biblio.com.

It's no secret that some search engines still stub their indexing toe on dynamic urls, especially wildly dynamic URLs. Invented and originally written in 1996, a URL rewriting program called Mod Rewrite is perhaps the most popular URL rewriting program available today. We've recommended it to hundreds of site owners since our inception in 1999.

Mod Rewrite uses a rule-based rewriting engine to rewrite dynamic URLs on the fly. That may sound fairly simple, but it's not for the technical faint at heart. The good news, however, is the end result which can be the transformation of a dynamic URL into a static URL such as:

http://www.biblio.com/books/64717327.html

Sure beats:

http://www.allmusic.com/cg/amg.dll?p=amg&token=ADFEAEE47818D34CAE7020C5872C46DCA66AD21AD74FEC8B0C234341C5B8344C840C38E253F8958FEAAC7CB771CC8A62A6450ECCC8EE56FA9067373E84E4A262284F36&sql=11:eiaxlfhe5cqu

And search engines gobble up that beautifully rewritten URL (insert Pac Man "whacka whacka" sound)! Well done Biblio.com!

For more on Mod Rewrite, we recommend:

Beginner's Guide To Mod Rewrite
Mod Rewrite Forum
Mod Rewrite Original Apache Documentation
Mod Rewrite Tips and Tricks

All posts by Doug Ausbury
posted by Doug Ausbury at February 1, 2006 01:24 AM
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Comments

Dear sir,

I want to build up a video website and want to keep my streaming URL be safty, I know there is a way to use Dynamic URL of media e.g.:
rtsp://x.x.x.x/VODtest/Backseat_Driver_01_1Mb.wmv?userid=guest&token=0639ad457b8

But I don't know where the token comes, can Microsoft windows media server support it? or is there any plugin software on windows media server can provide this dynamic url way? or it need some plugin software?

this is my mail: lyx@konceptproduct.com

Posted by: liu at July 3, 2008 12:30 AM

Hello sir, i want to change all my dynamic url's in to static one in my site \, can you plese tell me the best way to do it. Should i use ISAPI or what,
any help please.
Thanks
Jeff Turner

Posted by: jeff turner at July 28, 2008 06:43 AM

hello sir,
I have been facing a problem regarding mu dynamic url's.Some of pages of my site are having dynamic url's as i have to change the content of my site.But the pages having dynamic url's are not properly crawled not in terms of search engine terms,but in term of reviews.Google crawling is fine.
Any suggestion for this.
Should i change my dynamic url to static url?
If have to do so then how can i do?
Please give me some suggestion.
Jimmy

Posted by: jimmy scott at August 21, 2008 09:36 PM

Nice. I actually created a piece of software that lets you generate DynamicURLS using a template and a database file. It's a free download, and the code is unencrypted. See it here:
http://www.DynamicURLS.com
Additionally, it can be used to create personalized URLS and personalized landing pages. Give it a try!

Posted by: Personalized URLS at September 9, 2008 06:26 PM

Hello! I use oscommerce and have a SEO URL addon. It seems to work really well, however when I check the pages indexed for my site there seems to be at least double what there should be and I notice that some of the ones indexed have this sort of added tag to the rewritten URL ?page=1&sort=2a&osCsid=00ea674ef6284cfe5c43a943f5576ee8 - basically I don't want my page authority spread across too many pages unneccessarily and don't want issues with the SE's for duplicate content - is there a way to fix this? Thanks so much for your time!

Posted by: Cath at October 27, 2008 04:55 PM

Hello am waiting for the good reasonable answer for this question. Dynamic URL's are always a big problem for me. What to do?

Posted by: Jason Love at February 16, 2009 04:50 AM

http://www.krop.com/zovirax/

Posted by: Zovirax at July 20, 2009 09:27 AM

I think the years before,static url is better,but now,search engineer become stronger and smarter,dynamic url is not a problem any more.I am having trouble with my switch statement. Could you provide an example of how to do this

Posted by: Thelma  at December 3, 2009 06:28 AM

Isapi rewrites i think is the good way to change the dynamic urls to static ones.One more thing also i want ro change the urls of my wordpress blog. I need pretty permalinks and am not able to do that. Any help in this issue.

Posted by: Owen at December 8, 2009 02:05 AM

Google crawling is fine. Any suggestion for this.
Should i change my dynamic url to static url?

Posted by: prescription drugs online pharmacy at December 16, 2009 12:16 PM

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