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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4answers
3k views

Is it OK to have a case insensitive URI?

If I have a URL like /writes/about/star-wars, and it is also accessible to users by /wRitEs/ABOUT/star-WARS, is that considered another page? Is a page allowed to have any combo of upper/lower-case ...
3
votes
3answers
905 views

Should an ID go at the beginning or end of the URL for SEO?

Says I have a link, which contains the ID = 19963307 Type 1 : http://stackoverflow.com/questions/19963307/how-to-install-asp-net-mvc-5-on-a-server Type 2 : ...
3
votes
5answers
227 views

Can I Use A Canonical Tag Instead of a Redirect for Updated Content?

I have some old articles on my blog that get quite a bit of traffic, but are very outdated. I want to remove them from Google's index using the noindex tag, but I'm not sure what the best approach ...
3
votes
2answers
455 views

SEO: 301 redirects and canonical tag

from the book "Art of SEO": 301s carry cross-domain functionality, meaning you can redirect a page at Domain1.com to Domain2.com and carry over those search engine metrics. This is not ...
3
votes
2answers
310 views

Will canonical tag referencing unsecure HTTP URLs on a HTTPS page cause the unsecure message?

If a secure HTTPS page has a canonical tag referencing the HTTP version, will this cause the message in the browser that the page is using unsecure elements and prevent the green lock icon appearing? ...
3
votes
2answers
342 views

falling down Google ranking with canoncial tags and Google site verification

Recently I released this site live, which is a small brochure site for a local catering company. I took the time to add a canonical <link> tag and also verify the site with Google, so the ...
3
votes
2answers
277 views

How to prevent duplicate content in Google when using state and city in friendlyurl?

I want to provide friendlyurls to my visitors on my venue site. Visitors should be able to easily type the name of a region to access the venues in that specific region. Like ...
3
votes
3answers
284 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
2answers
923 views

Change web folders names with uppercase to lowercase or not?

I have web directories with upper case letters and site is on Apache server. Example: www.example.com/ServiceTools/page.htm I have read that using upper case letters in folder name is bad practice ...
3
votes
2answers
1k views

Rel canonical link tag pointing to the same page

I'm implementing the canonical tag in my page to avoid be penalized with duplicate content flag by search engines. My doubt are the following: If I have a page COPY with the canonical tag pointing ...
3
votes
1answer
204 views

Same page in different “locations” on same site - duplicate content? [duplicate]

Possible Duplicate: What is duplicate content and how can I avoid being penalized for it on my site? The same page, or rather the same content on a page is accessible from two very similar ...
3
votes
2answers
143 views

Similar URLs for same page

I'm working with a site that uses slightly different URLs for the same content. The sitemap lists the pages as: www.website.com/webpage.html If you surf through the site the same page is found at: ...
3
votes
1answer
139 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
148 views

Would the following URLs result in duplicate content if I only used one canonical link?

In your experience, have you ever had problems with duplicate content being caused by the following URLs: www.mysite.net www.mysite.net/ www.mysite.net/index.html Do you think that this could ...
3
votes
1answer
75 views

Canonicalising to less linked URLs

I have a question about how to use canonical urls on an ecommerce site with a complex category structure. I have many products and they each sit in multiple categories. Each product can be accessed ...
3
votes
2answers
316 views

Which is best for PageRank? When multi-Aliases point to same server, with multi-language folders

Imagine situation where multiple aliases point to the same server, where htacces divides them into their own language folders. Example: mywebsite.fr >> /fr/home mywebsite.de >> ...
3
votes
2answers
94 views

What should the canonical URL be when users can filter on multiple categories at once?

I'm totally revamping my site's URL structure and have now defined the following structure of URLs to prevent duplicate content (in which the /c/ part in the URL determines that a country filter is ...
3
votes
1answer
52 views

How to construct the URL for search with multiple input?

I am having a home page where I can search on multiple tags. How should I construct the URL? Suppose I search for tag = test_1 and tag = test_2 Should I construct the url like ...
3
votes
2answers
86 views

Canonical URLs in sortable paginated lists

How should one use rel="canonical" in sortable paginated lists? An unsorted list of products is not the same as the same list sorted, nor are lists sorted in different ways equivalent. For example, ...
3
votes
2answers
179 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
2answers
40 views

4 URLs lead to the same page content, are 301 redirects better or setting rel canonical better?

All the following pages have the same exact content: http://www.example.com/seo-url (rel canonical URL) http://www.example.com/ID1234 http://www.example.com/content/ID1234 ...
3
votes
3answers
78 views

Which URL(s) do I choose for one product with different colours?

I read that it is best practices that if you have a product that comes in 3 colours to have one URL for the product, and then to have a dropdown with all the colours that it comes in? For example if ...
3
votes
2answers
93 views

Multiple galleries on one page

I have multiple popup galleries that are all located in one page (homepage, to be exact). Each gallery is represented by a logo. Once the user clicks on one of the gallery logos, Javascript kicks in ...
3
votes
2answers
169 views

Serving images on CDN; allow crawl of origin or CDN or both?

I have searched and read through a lot of questions regarding this subject, but cannot seem to find anyone that directly addresses my problem. I have a CDN for all my static images img.domain.net, ...
3
votes
1answer
347 views

Will lower casing all canonical url solve duplicate issue

The website I'm working on can have both upper and lower case URLs, even though they will produce the exact same content. eg: http://www.freeofficefinder.com/uk/office-space/london/soho and ...
3
votes
1answer
85 views

Using a canonical link with non-duplicate pages

I want to use canonical tag for index.php and all versions of index.php below: index.php index.php?something index.php?somethingsomething I also have URLs like: someproduct.html ...
3
votes
2answers
289 views

Clarify “canonical” word: Can someone please list the various uses of this word in SEO context, and point out correct or incorrect uses of it?

I think the authoritative use of the word "canonical" in the SEO discipline dates back to this 2006 blog post by Matt Cuts on cononicalization: ...
3
votes
1answer
27 views

Prevent bing from crawling thousands of essentially identical pages?

I have a web page with a dozen tables of data on it, each with half a dozen columns. Every table can be sorted by a column by clicking on the relevant header, and these get appended to the ...
3
votes
1answer
45 views

Would publishing a canonical, consumer-facing article feed for our white label editorial content help our clients?

We deliver syndicated content to our clients' sites. In our articles, we often link to blogs. We recently received a complaint from a blog that our link to them hurt their Google ranking, likely ...
3
votes
3answers
356 views

How to handle different images size and URL with SEO

I'm creating my own CMS, and I have to handle images with differentes sizes. I store all my image's information in a database. For every image, I have: a filename (with extension) a title an alt ...
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 ...
3
votes
2answers
264 views

Subdomain as home page

I'm looking at how best to launch a project using subdomains to create around 10 'minisites' of sufficiently differing content using the subdomain as branding. There will never really be much content ...
3
votes
0answers
29 views

Canonical tag not getting honoured or is it?

I realise this is a topic which has probably been covered to infinity, however I have my own little question so hope the mods wont mind me opening a new threat on canonical issues. I have a post on ...
3
votes
1answer
30 views

Should I use a 301 redirect for inbound discount offer links?

We have discount links like example.com/alex10 that set a discount in the session and show the homepage as normal (with a tiny adjustment to say "£10 credit applied"). When we initially set this up ...
3
votes
2answers
122 views

Many user-created sites/pages and subdomains. SEO questions for primary domain

My site allows people to create free websites and provides them with a subdomain link to their site. For example, a user bsmith will end up with a site at bsmith.example.com, and pages like ...
3
votes
0answers
146 views

Canonicalization of single, small pages like reviews or product categories [closed]

In general I pretty much like the idea of canonicalization. And in most cases, Google explains possible procedures in a clear way. For example: If I have duplicates because of parameters (eg: ...
2
votes
2answers
534 views

Does noindex metatag have a negative effect on the canonical URLs PageRank?

A page has this URL: http://example.com/pages/some-page/ There's a pagination on this page which uses a GET parameter page which would result in URLs like: ...
2
votes
2answers
331 views

Why do sites redirect to the canonical URL if it can parse a page correctly given any slug? [closed]

Several sites that I have come across, including Stackoverflow, perform a 301 redirect when given an "incorrect" slug. For example: http://webmasters.stackexchange.com/questions/9/incorrect-slug ...
2
votes
4answers
280 views

What is the difference between canonical and 301 redirects?

I am not able to differentiate between canonical and 301 Redirects. The canonical link and 301 redirects have been around for years, but they continuously generate the confusion and questions about ...
2
votes
2answers
2k views

Difference between canonical and base tag

I am a little bit confused regarding the usage of canonical tags and base tags. I have placed canonical tag (rel="canonical") on my website because of my website opening with no-www. I have reviewed ...
2
votes
2answers
109 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
1answer
536 views

Canonical and hreflang implementation for international desktop and mobile site versions

I have an interesting case and I am lost in it. There are two versions of the site: desktop and mobile. And there are also international versions: English and Spanish. I'm stuck at implementation of ...
2
votes
2answers
67 views

Can I benefit from links to pages on my site which have a `noindex` meta tag?

I'm trying to understand if/how I can benefit from people linking to pages on my site which are with pages that have a noindex meta tag. 2 actions I'm considering to perform: Remove the robots.txt ...
2
votes
2answers
1k views

Canonical URLs with multiple domains

Within my CMS I can add multiple domains. IE: domain-1.com and domain-2.com. The way my CMS is setup I can access the same content across both domains. For instance: domain-1.com/contact and ...
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
145 views

Canonical links and non-identical content (mobile / desktop)

We are being advised to: Use switchboard tags to indicate alternate media for handheld devices. Canonicalize those mobile pages to the relevant desktop pages My issue is that I thought that for ...
2
votes
1answer
105 views

What do large review sites do when duplicate content is unavoidable?

Most review sites, for example sites that review games with different platforms, will often have three URL's with identical content, only differing in color schemes, and of course comments. This is ...
2
votes
3answers
62 views

Support same url in different forms

I have seen many websites supporting multiple forms of the same URL. For example consider www.example.com/question1/ OR www.example.com/Question1/ OR www.example.com/QUESTION1/ etc. all lead to one ...
2
votes
1answer
194 views

Is it possible to check the case on Apache redirects or aliases?

I have a big website (15,000 pages) with a log list of redirects (about 800) that have been used in marketing pieces for years. My Apache server has been running mod_rewrite for the past 10 years or ...
2
votes
2answers
848 views

rel=canonical required for HTTPS?

I'm offering a page through HTTP and HTTPS, both with the same URL scheme. I.e., a page is available as http://www.example.com/page1.html as well as https://www.example.com/page1.html. Should I add ...