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.

learn more… | top users | synonyms

7
votes
3answers
417 views

Why treat these as URLs with different path capitalization and trailing slash as different?

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 ...
11
votes
1answer
2k 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 ...
28
votes
2answers
864 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 ...
8
votes
1answer
6k views

How does Google treat hash fragment inside a canonical URL

I have seen many websites using slugs in their URL to boost SEO such as this: http://example.com/article/1543/how-to-boost-seo/ I was thinking if I could do something like this instead: http://...
5
votes
2answers
921 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 ...
4
votes
1answer
267 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 ...
2
votes
1answer
329 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 ...
12
votes
1answer
1k 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 ...
4
votes
1answer
3k views

Canonicalization for www/non-www URLs and IP/domain on a Windows server

I have checked my website using this SEO tool and the results report 2 issues: Test your site for potential URL canonicalization issues. Canonicalization describes how a site can use slightly ...
3
votes
2answers
183 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 ...
3
votes
1answer
3k 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 %{...
0
votes
2answers
1k views

Avoid SEO loss after URL structure change

We recently re-wrote our site from Umbraco to WordPress. This has been done by third-party developers. I have been the project manager and it is my mistake that I haven't notice the change of URLs ...
5
votes
1answer
241 views

Republishing blog posts on a popular website

I started my blog about programming yesterday and in order to promote and increase traffic I submitted my rss to Codeproject which pulls my posts and publishes them at Codeproject. While it increases ...
5
votes
1answer
164 views

Should I use a canonical tag when only 50% of the content is duplicated?

I have a city guide website covering bars, restaurants and clubs. Each of these venues have their own subpage on my website like: example.com/steersons-steak-house-darling-harbour-sydney/ For all ...
4
votes
1answer
1k views

What is a best canonical URL for a search result page? [closed]

I have read a Google guideline About rel="canonical" and I have known that A canonical page is the preferred version of a set of pages with highly similar content. I have a search page which ...
3
votes
3answers
288 views

When to use canonical? Prepaid products of different values

I have a webshop for different kind of prepaid cards. Every kind of prepaid card is also available in a different value. The product page of those different values differ only in a title (...
3
votes
1answer
143 views

How to specify the canonical URL for downloadable versions of the page (doc, pdf, txt, etc)

I've spent much time searching about the situation I'm in, before I post this question. I have a poetry page (working for it currently) and I want users to be able to download poem in PDF, DOC, and ...
3
votes
2answers
54 views

What should I use for a canonical URL for a search page that has a few search options?

I read this post here: What is a best canonical URL for a search result page? and I have search page which can set more than one item like this: example.com/search/index.php?keywords=...
2
votes
2answers
113 views

Website opening both on domain name and IP. Is that a problem?

So, http://site.com/ and http://123.321.123.32/ both are displaying a web page. From SEO point there is content duplication issue when both domain and IP displays the same content. This can be solved ...
2
votes
2answers
2k 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 ...
2
votes
1answer
19 views

SEO - Canonical Tags and, 301 and Product Variations

My website has undergone many changes over the past 10 years, as I guess most have, rankings have dropped and over the past few months I have been working on the site and CMS a lot to improve it, but ...
2
votes
1answer
61 views

How duplicate must two pages be in order for one to require rel=canonical?

I've been reading up on: <link rel="canonical" href="(original url)"> And one thing that I'm trying to figure out is the lowest percent of duplication must any two pages need to be in order ...
1
vote
1answer
68 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 ...
1
vote
1answer
692 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 ...
1
vote
3answers
61 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 ...
0
votes
1answer
23 views

Canonical Tags and, 301 and Legacy/Old format URLs indexed

I have posted another question too which is related, but separate. Removing old format URLS This question is slightly confusing because I changed the domain. Previously, we were running the site at ...