For webpages which may duplicate some or all of their content with other pages (for legitimate reasons), the canonical URL is the URL of the page which search engines should link to.

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24
votes
2answers
650 views

How to use rel='canonical' properly

I have 3 URLS that serve the same data: www.example.com/product/foo www.example.com/product/foo?id=1 www.example.com?product=foo For Google's sake I want the URL www.example.com/product/foo to be ...
5
votes
3answers
293 views

Why treat these as different URLs?

These are all strictly different urls: http://www.example.com/page http://www.example.com/pAge http://www.example.com/page/ http://www.example.com/paGE/ I get that it conforms to the strict ISO ...
4
votes
1answer
250 views

www and non www can suffer duplicated content

Do you know if i should use canonical tag, or 301 redirection from http://mydomain.com to http://www.mydomain.com To avoid duplicated content penalty in case other pages link to the domain without ...
6
votes
2answers
1k views

Canonical URL for a home page and trailing slashes

My home page could be potentially linked as: http://example.com http://example.com/ http://example.com/?ref=1 http://example.com/index.html http://example.com/index.html?ref=2 (the same page is ...
3
votes
1answer
1k views

Clean URLs without PHP file extension

I want to make my URLs clean, for example: http://sample.com/about-me instead of: http://sample.com/about-me.php This is my code: RewriteEngine On RewriteBase / RewriteCond ...
5
votes
2answers
682 views

Does the “canonical name” in DNS make any difference to search engines?

Some of our sites are setup with an "a record" to an IP address and some are setup as a cname of a server that then has an "a name" to the same server IP. I want it to be consistent. Which is the ...
5
votes
1answer
119 views

Canonical Tag Not Being Recognized

I'm puzzled by the first Google search result in this list. The first result has the following rel="canonical" tag: <link rel="canonical" ...
2
votes
1answer
261 views

Does Rel=Canonical Pass PR from Links or Just Fix Dup Content

One of the issues with duplicate content is that links can be split across several versions of your page, it was my understanding the a 301 redirect is really the only option for retaining some of the ...
11
votes
1answer
723 views

How to handle canonical url changes like Stack Overflow

Stack Overflow sites all have pretty urls which include the question title. In the HTML it also have canonical url for that page. I just found out that when I change the question title, the url is ...
5
votes
2answers
1k views

Pagination, Duplicate Content, and SEO

Please consider a list of items (forum comments, articles, shoes, doesn't matter) which are spread over multiple pages. Different sort orders are supported (by date, by popularity, by price, etc). ...
3
votes
2answers
120 views

Is there a way I can redirect search engine traffic by U.S. State or Zip Code?

I work for an e-commerce company that operates solely within the United States. However, the price of goods and availability of our products depends on what State or even Zip Code you reside in (we ...
4
votes
2answers
533 views

Should I add a trailing slash to my canonical link or not?

I'm just working through some PHP to set up a canonical link for each page on one of my websites and I'm wondering what's the correct link for the home page: Is it: <link rel="canonical" ...
2
votes
2answers
244 views

IP canonical URL issue

So I did a search engine optimization test today and one thing it came back with was: Your site's IP XX.XXX.XXX.XX does not redirect to your site's domain name. This could cause duplicate content ...
1
vote
3answers
57 views

Right canonical pages for encylopedia-style site

I have a website that contains a lot of short (150 word) descriptions of key concepts. The concepts are organised hierarchically so a description of Cheese will be a subsection under the heading "Milk ...
1
vote
1answer
519 views

pagination and duplicate content with one paragraph in each page with totally different listing

I have a module in my site which can be accessed like sitename.com/module/ This module has pagination. In the first page i have two paragraphs which describe about the site. This will appear in all ...
0
votes
1answer
41 views

Canonical URL's for interchangeable parameters

I'm wondering how should I use canonical tags in such a case: I compare two items, lets say shoe brands. So one of my pages look like this: http://shoes.com/compare/adidas/vs/nike/ and another ...
0
votes
3answers
940 views

Pagination for product listing, what to use? “canonical” or “rel-prev-next” or do nothing?

I want to make sure my product listing is 10 products per page which are not in a series (link). They have explained how to use canonical or rel prev for pagination when a long page has been divided ...