Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Canonical Chain
-
This is quite advanced so maybe Rand can give me an answer?
I often have seen questions surrounding a 301 chain where only 85% of the link juice is passed on to the first target and 85% of that to the next one, up to three targets. But how about a canonical chain?
What do I mean by this:?
I have a client who sells lighting so I will use a real example (sans domain)
I don't want 'new-product' pages appearing in SERPS. They dilute link equity for the categories they replicate and often contain identical products to the main categories and subcategories. I don't want to no index them all together I'd rather tell Google they are the same as the higher category/sub category. (discussion whether a noindex/follow tag would be better?)
If I canonicalize
new-products/ceiling-lights-c1/kitchen-lighting-c17/kitchen-ceiling-lights-c217 to
/ceiling-lights-c1/kitchen-lighting-c17/kitchen-ceiling-lights-c217
I then subsequently discover that everything in kitchen-ceiling-lights-c217 is already in /kitchen-lighting-c17 and I decide to canonicalize those two - so I place a /kitchen-lighting-c17 canonical on /kitchen-ceiling-lights-c217. Then what happens to the new-products canonical?
Is it the same rule - does it pass 85% of link equity back to the non new-product URL and 85% of that back to the category? does it just not work? or should I do noindexi/follow
Now before you jump in:
Let's assume these are done over a period of time because the obvious answer is:
Canonicalize both back to /ceiling-lights-c1/kitchen-lighting-c17
I know that and that is not what I am asking.
What if they are done in a sequence what is the real result?
I don't want to patronise anyone but please read this carefully before giving an answer.
Regards
Nigel
Carousel Projects.
-
Anyone have any more thoughts on this please?
-
OK, thanks for that - I'm still a bit cynical about that amd am pretty sure that doesn't go for a redirect chain but: The reason I asked for the person answering to read the question properly was so that I wouldn't get half an answer
please could someone read it all the way through and give me their thoughts?
Thanks.
-
Full link juice is now passed through redirects. Google stopped dinging the value of links that pass through a redirect about a year ago. More info here....
http://searchengineland.com/google-no-pagerank-dilution-using-301-302-30x-redirects-anymore-254608
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
How to handle sorting, filtering, and pagination in ecommerce? Canonical is enough?
Hello, after reading various articles and watching several videos I'm still not sure how to handle faceted navigation (sorting/filtering) and pagination on my ecommerce site. Current indexation status: The number of "real" pages (from my sitemap) - 2.000 pages Google Search Console (Valid) - 8.000 pages Google Search Console (Excluded) - 44.000 pages Additional info: Vast majority of those 50k additional pages (44 + 8 - 2) are pages created by sorting, filtering and pagination. Example of how the URL changes while applying filters/sorting: example.com/category --> example.com/category/1/default/1/pricefrom/100 Every additional page is canonicalized properly, yet as you can see 6k is still indexed. When I enter site:example.com/category in Google it returns at least several results (in most of the cases the main page is on the 1st position). In Google Analytics I can see than ~1.5% of Google traffic comes to the sorted/filtered pages. The number of pages indexed daily (from GSC stats) - 3.000 And so I have a few questions: Is it ok to have those additional pages indexed or will the "real" pages rank higher if those additional would not be indexed? If it's better not to have them indexed should I add "noindex" to sorting/filtering links or add eg. Disallow: /default/ in robots.txt? Or perhaps add "noindex, nofollow" to the links? Google would have then 50k pages less to crawl but perhaps it'd somehow impact my rankings in a negative way? As sorting/filtering is not based on URL parameters I can't add it in GSC. Is there another way of doing that for this filtering/sorting url structure? Thanks in advance, Andrew
Intermediate & Advanced SEO | | thpchlk0 -
Spammy page with canonical reference to my website
A potentially spammy website http://www.rofof.com/ has included a rel canonical tag pointing to my website. They've included the tag on thousands of pages on their website. Furthermore http://www.rofof.com/ appears to have backlinks from thousands of other low-value domains For example www.kazamiza.com/vb/kazamiza242122/, along with thousands of other pages on thousands of other domains all link to pages on rofof.com, and the pages they link to on rofof.com are all canonicalized to a page on my site. If Google does respect the canonical tag on rofof.com and treats it as part of my website then the thousands of spammy links that point to rofof.com could be considered as pointing to my website. I'm trying to contact the owner of www.rofof.com hoping to have the canonical tag removed from their website. In the meantime, I've disavowed the www.rofof.com, the site that has canonical tag. Will that have any effect though? Will disavow eliminate the effect of a rel canonical tag on the disavowed domain or does it only affect links on the disavowed website? If it only affects links then should I attempt to disavow all the pages that link to rofof.com? Thanks for reading. I really appreciate any insight you folks can offer.
Intermediate & Advanced SEO | | brucepomeroy2 -
Change Google's version of Canonical link
Hi My website has millions of URLs and some of the URLs have duplicate versions. We did not set canonical all these years. Now we wanted to implement it and fix all the technical SEO issues. I wanted to consolidate and redirect all the variations of a URL to the highest pageview version and use that as the canonical because all of these variations have the same content. While doing this, I found in Google search console that Google has already selected another variation of URL as canonical and not the highest pageview version. My questions: I have millions of URLs for which I have to do 301 and set canonical. How can I find all the canonical URLs that Google has autoselected? Search Console has a daily quota of 100 or something. Is it possible to override Google's version of Canonical? Meaning, if I set a variation as Canonical and it is different than what Google has already selected, will it change overtime in Search Console? Should I just do a 301 to highest pageview variation of the URL and not set canonicals at all? This way the canonical that Google auto selected might get redirected to the highest pageview variation of the URL. Any advice or help would be greatly appreciated.
Intermediate & Advanced SEO | | SDCMarketing0 -
How (or if) to apply re canonical tags to Shopify?
Anyone familiar with Shopify will understand the problems of their directory structure. Every time you add a product to a 'collection' it essentially creates a duplicate. For example... https://www.domain.com/products/product-slim-regular-bikini may also appear as: https://www.domain.com/collections/all/products/product-slim-regular-bikini https://www.domain.com/collections/new-arrivals/products/product-slim-regular-bikini https://www.domain.com/collections/bikinis/products/product-slim-regular-bikini etc, etc It's not uncommon to have up to six duplicates of each product. So my question is twofold: Firstly, should I worry about this from an SEO point of view? I understand the desire to minimise potential duplicate content issues and also in focussing the 'juice' on just one page per product. But I also planned on trying to build the authority of the collection pages. If I request Google not to index the product pages which link off the collections, does this not devalue these collections pages? Secondly, I understand the correct way to fix these is using 'rel canonical' tags, but I'm not clear about HOW to actually do this. Shopify support has not been very helpful. They have provided two different instructions, so just added to the confusion (see below). Shopify instruction #1: Add the following to the theme.liquid file... <title><br />{{ page_title }}{% if current_tags %} – tagged "{{ current_tags | join: ', ' }}"{% endif %}{% if current_page != 1 %} – Page {{ current_page }}{% endif %}{% unless page_title contains shop.name %} – {{ shop.name }}{% endunless %}<br /></title>
Intermediate & Advanced SEO | | muzzmoz
{% if page_description %} {% endif %} Shopify instruction #2: Add the following to each individual product page... So, can anyone help clarify: The best strategic approach to this inherent SEO issue with Shopify (besides moving to another platform!)? and If 'rel canonical' tags is the way to go, exactly where and how to apply them? Regards, Murray1 -
Should I Keep adding 301s or use a noindex,follow/canonical or a 404 in this situation?
Hi Mozzers, I feel I am facing a double edge sword situation. I am in the process of migrating 4 domains into one. I am in the process of creating URL redirect mapping The pages I am having the most issues are the event pages that are past due but carry some value as they generally have one external followed link. www.example.com/event-2008 301 redirect to www.newdomain.com/event-2016 www.example.com/event-2007 301 redirect to www.newdomain.com/event-2016 www.example.com/event-2006 301 redirect to www.newdomain.com/event-2016 Again these old events aren't necessarily important in terms of link equity but do carry some and at the same time keep adding multiple 301s pointing to the same page may not be a good ideas as it will increase the page speed load time which will affect the new site's performance. If i add a 404 I will lose the bit of equity in those. No index,follow may work since it won't index the old domain nor the page itself but still not 100% sure about it. I am not sure how a canonical would work since it would keep the old domain live. At this point I am not sure which direction I should follow? Thanks for your answers!
Intermediate & Advanced SEO | | Ideas-Money-Art0 -
Canonical tag - but Title and Description are slightly different
I am building a new SEO site with a "Silo" / Themed architecture. I have a travel website selling hotel reservations. I list a hotel page under a city page - example, www.abc.com/Dallas/Hilton.html Then I use that same property under a segment within the city - example www.abc.com/Dallas/Downtown/Hilton.html, so there are two URLs with the same content Both pages are identical, except I want to customize the Title and Description. I want to customize the title and description to build a consistent theme - for example the /Downtown/Hilton page will have the words "Near Downtown" in the Title and Description, while the primary city Hilton page will not. So I have two questions about this. First, is it okay to use a canonical tag if the Title and Description are slightly different? Everything else is identical. If so, will Google crawl and comprehend the unique Title and Description on the "Downtown" silo? I want Google to see that I have several "supporting" pages to my main landing page(s). I want to present to Google 5 supporting pages in each silo that each has a supporting keyword theme. But I'm not sure if Google will consider content of pages that point to a different page using the canonical tag. Please see this supporting example: http://d.pr/i/aQPv Thanks for your insights. Rob
Intermediate & Advanced SEO | | partnerf0 -
Should I use rel=canonical on similar product pages.
I'm thinking of using rel=canonical for similar products on my site. Say I'm selling pens and they are al very similar. I.e. a big pen in blue, a pack of 5 blue bic pens, a pack of 10, 50, 100 etc. should I rel=canonical them all to the best seller as its almost impossible to make the pages unique. (I realise the best I realise these should be attributes and not products but I'm sure you get my point) It seems sensible to have one master canonical page for bic pens on a site that has a great description video content and good images plus linked articles etc rather than loads of duplicate looking pages. love to hear thoughts from the Moz community.
Intermediate & Advanced SEO | | mark_baird0