In 10-12 years of doing SEO, this is one of the most common problems I’ve seen when doing site audits. A website has one page of content that’s available at several different URLs. SBSM reader Keith M. took me up on the recent post where I asked for mailbag questions, and sent this in for consideration:

I’ve been reading about canonicalization and am curious about how this should be addressed. In looking at my old website, domain.com, www.domain.com, domain.com/index.html and www.domain.com/index.html all lead to my homepage, but the urls are all different and distinct. It sounds like a 301 redirect is the way to accomplish this, but:
1. Is it better form to use the www or non-www for your homepage?
2. Do all of the other 3 need permanent re-directs?
3. What of subfolders? Again, domain.com/about and www.domain.com/about go to the same page with different urls. Do they all need redirects or is this taken care of with the main urls?
My reply
First, Keith, let me say this: It’s generally not the end of the world when this happens in small doses. But when it’s happening across an entire website, I believe it can lead to less frequent crawling and unneeded distribution of trust/authority/juice across several URLs.
In either case, it’s something that really should be cleaned up. And yes, 301 redirects are the way to handle this. You want to tell the search engines that Page “A” is a permanent replacement for pages B, C and D.
Let me go through your questions in order:
1.) Is it better form to use the www or non-www for your homepage?
It depends. Here’s what I’d do:
2.) Do all of the other 3 need permanent re-directs?
Yes, after you choose the permanent URL, all others should be redirected (even if they’re not indexed).
3.) What of subfolders? Again, domain.com/about and www.domain.com/about go to the same page with different urls. Do they all need redirects or is this taken care of with the main urls?
If you’re doing a sitewide redirect — i.e., all www.domain.com URLs are going to be redirected to domain.com — you can set that up as part of the 301. I believe the term for what you’ll use is a “wildcard.” The end result is that one line of programming can tell the server and crawlers to replace all old URLs with the matching new URLs.
How you setup the 301 redirect depends on what kind of server your host uses. Apache servers generally have 301s setup in the .htaccess file, while IIS servers are a different beast. Either way, do some Google searches or maybe check the WebmasterWorld archives for the instructions.
Your turn: How would you have answered Keith’s question? Did I get it right? Do you have something to correct or add? Comments are open, so please share.
(image courtesy of Shutterstock)
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This is a post from Matt McGee's blog, Small Business Search Marketing.
SBSM Mailbag: Four URLs, But Only One Page … Duplicate Content?
| Budget | Title | Location | Quotes | RFP# | |
| 1. | $1000 - $2499 | FLASH or JAVA PRODUCT IMAGE BUILDER | Centennial , CO | 2/8 (6 Avail) | 35393 |
| 2. | $1000 - $2499 | Engraving Retail Website | St. Louis , MO | 6/8 (2 Avail) | 35395 |
| 3. | $500 - $999 | Website Redesign for Party Rentals | Dallas , tx | 4/8 (4 Avail) | 35380 |
| 4. | $500 - $999 | CGI Script for Online Teachers Course | Phnom Penh , nv | 1/8 (7 Avail) | 35387 |
| 5. | $2500 - $4999 |
|
Crystal Beach , Tx | 8/8 (0 Avail) | 35392 |
| 6. | $100 - $249 |
|
Ringwood , NJ | 8/8 (0 Avail) | 35386 |
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