undefined
Skip to content
Moz logo Menu open Menu close
  • Products
    • Moz Pro
    • Moz Pro Home
    • Moz Local
    • Moz Local Home
    • STAT
    • Moz API
    • Moz API Home
    • Compare SEO Products
    • Moz Data
  • Free SEO Tools
    • Domain Analysis
    • Keyword Explorer
    • Link Explorer
    • Competitive Research
    • MozBar
    • More Free SEO Tools
  • Learn SEO
    • Beginner's Guide to SEO
    • SEO Learning Center
    • Moz Academy
    • SEO Q&A
    • Webinars, Whitepapers, & Guides
  • Blog
  • Why Moz
    • Agency Solutions
    • Enterprise Solutions
    • Small Business Solutions
    • Case Studies
    • The Moz Story
    • New Releases
  • Log in
  • Log out
  • Products
    • Moz Pro

      Your all-in-one suite of SEO essentials.

    • Moz Local

      Raise your local SEO visibility with complete local SEO management.

    • STAT

      SERP tracking and analytics for enterprise SEO experts.

    • Moz API

      Power your SEO with our index of over 44 trillion links.

    • Compare SEO Products

      See which Moz SEO solution best meets your business needs.

    • Moz Data

      Power your SEO strategy & AI models with custom data solutions.

    NEW Keyword Suggestions by Topic
    Moz Pro

    NEW Keyword Suggestions by Topic

    Learn more
  • Free SEO Tools
    • Domain Analysis

      Get top competitive SEO metrics like DA, top pages and more.

    • Keyword Explorer

      Find traffic-driving keywords with our 1.25 billion+ keyword index.

    • Link Explorer

      Explore over 40 trillion links for powerful backlink data.

    • Competitive Research

      Uncover valuable insights on your organic search competitors.

    • MozBar

      See top SEO metrics for free as you browse the web.

    • More Free SEO Tools

      Explore all the free SEO tools Moz has to offer.

    NEW Keyword Suggestions by Topic
    Moz Pro

    NEW Keyword Suggestions by Topic

    Learn more
  • Learn SEO
    • Beginner's Guide to SEO

      The #1 most popular introduction to SEO, trusted by millions.

    • SEO Learning Center

      Broaden your knowledge with SEO resources for all skill levels.

    • On-Demand Webinars

      Learn modern SEO best practices from industry experts.

    • How-To Guides

      Step-by-step guides to search success from the authority on SEO.

    • Moz Academy

      Upskill and get certified with on-demand courses & certifications.

    • MozCon

      Save on Early Bird tickets and join us in London or New York City

    Unlock flexible pricing & new endpoints
    Moz API

    Unlock flexible pricing & new endpoints

    Find your plan
  • Blog
  • Why Moz
    • Small Business Solutions

      Uncover insights to make smarter marketing decisions in less time.

    • Agency Solutions

      Earn & keep valuable clients with unparalleled data & insights.

    • Enterprise Solutions

      Gain a competitive edge in the ever-changing world of search.

    • The Moz Story

      Moz was the first & remains the most trusted SEO company.

    • Case Studies

      Explore how Moz drives ROI with a proven track record of success.

    • New Releases

      Get the scoop on the latest and greatest from Moz.

    Surface actionable competitive intel
    New Feature

    Surface actionable competitive intel

    Learn More
  • Log in
    • Moz Pro
    • Moz Local
    • Moz Local Dashboard
    • Moz API
    • Moz API Dashboard
    • Moz Academy
  • Avatar
    • Moz Home
    • Notifications
    • Account & Billing
    • Manage Users
    • Community Profile
    • My Q&A
    • My Videos
    • Log Out

The Moz Q&A Forum

  • Forum
  • Questions
  • Users
  • Ask the Community

Welcome to the Q&A Forum

Browse the forum for helpful insights and fresh discussions about all things SEO.

  1. Home
  2. SEO Tactics
  3. Technical SEO
  4. Missing Canonical Tag for a PDF document

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.

Missing Canonical Tag for a PDF document

Technical SEO
canonical
4
5
3.0k
Loading More Posts
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as question
Log in to reply
This topic has been deleted. Only users with question management privileges can see it.
  • ahmadmdahshan
    ahmadmdahshan Subscriber last edited by Nov 28, 2022, 4:28 PM

    Error: Missing Canonical Tag
    But URL is not a webpage it is a PDF document, is this fixable?

    Tom.Capper 1 Reply Last reply Nov 29, 2022, 2:42 PM Reply Quote 0
    • equipmentmanual
      equipmentmanual @Adnan-farooq last edited by Oct 4, 2023, 7:58 PM

      @Adnan-farooq said in Missing Canonical Tag for a PDF document:

      i don't think that we used canonical tag for PDF document i think no option is visible on moz 👎

      Hitachi Workshop Manual Instant Download PDF at your fingertips. Access valuable resources for quick and efficient equipment maintenance and operation. Don't miss out on this essential source for Hitachi machinery enthusiasts.

      1 Reply Last reply Reply Quote 0
      • equipmentmanual
        equipmentmanual @Adnan-farooq last edited by Oct 4, 2023, 7:54 PM

        Hitachi Workshop Manual Instant Download PDF at your fingertips. Access valuable resources for quick and efficient equipment maintenance and operation. Don't miss out on this essential source for Hitachi machinery enthusiasts.

        1 Reply Last reply Reply Quote 0
        • topic:timeago_earlier,10 months
        • Adnan-farooq
          Adnan-farooq last edited by Nov 30, 2022, 3:02 PM

          i don't think that we used canonical tag for PDF document i think no option is visible on moz 👎

          equipmentmanual 2 Replies Last reply Oct 4, 2023, 7:54 PM Reply Quote 0
          • Tom.Capper
            Tom.Capper Subject Expert @ahmadmdahshan last edited by Nov 29, 2022, 2:42 PM

            @ahmadmdahshan

            There's two answers to this.

            One is that whilst it's best practice for all URLs to have a canonical (even if it's self-referencing), if this resource has no duplicates, it's not mandatory.

            The other is that yes, you can add a canonical tag to a web page. You'd have to do it at the HTTP header level.

            https://developers.google.com/search/docs/crawling-indexing/consolidate-duplicate-urls#rel-canonical-header-method

            1 Reply Last reply Reply Quote 0
            • 1 / 1
            1 out of 5
            • First post
              1/5
              Last post

            Got a burning SEO question?

            Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.


            Start my free trial


            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.

            • See all categories

            Related Questions

            • GAnalytics

              Dynamic Canonical Tag for Search Results Filtering Page

              canonical indexation search page categorization search results crawl

              Hi everyone, I run a website in the travel industry where most users land on a location page (e.g. domain.com/product/location, before performing a search by selecting dates and times. This then takes them to a pre filtered dynamic search results page with options for their selected location on a separate URL (e.g. /book/results). The /book/results page can only be accessed on our website by performing a search, and URL's with search parameters from this page have never been indexed in the past. We work with some large partners who use our booking engine who have recently started linking to these pre filtered search results pages. This is not being done on a large scale and at present we only have a couple of hundred of these search results pages indexed. I could easily add a noindex or self-referencing canonical tag to the /book/results page to remove them, however it’s been suggested that adding a dynamic canonical tag to our pre filtered results pages pointing to the location page (based on the location information in the query string) could be beneficial for the SEO of our location pages. This makes sense as the partner websites that link to our /book/results page are very high authority and any way that this could be passed to our location pages (which are our most important in terms of rankings) sounds good, however I have a couple of concerns. • Is using a dynamic canonical tag in this way considered spammy / manipulative? • Whilst all the content that appears on the pre filtered /book/results page is present on the static location page where the search initiates and which the canonical tag would point to, it is presented differently and there is a lot more content on the static location page that isn’t present on the /book/results page. Is this likely to see the canonical tag being ignored / link equity not being passed as hoped, and are there greater risks to this that I should be worried about? I can’t find many examples of other sites where this has been implemented but the closest would probably be booking.com. https://www.booking.com/searchresults.it.html?label=gen173nr-1FCAEoggI46AdIM1gEaFCIAQGYARS4ARfIAQzYAQHoAQH4AQuIAgGoAgO4ArajrpcGwAIB0gIkYmUxYjNlZWMtYWQzMi00NWJmLTk5NTItNzY1MzljZTVhOTk02AIG4AIB&sid=d4030ebf4f04bb7ddcb2b04d1bade521&dest_id=-2601889&dest_type=city& Canonical points to https://www.booking.com/city/gb/london.it.html In our scenario however there is a greater difference between the content on both pages (and booking.com have a load of search results pages indexed which is not what we’re looking for) Would be great to get any feedback on this before I rule it out. Thanks!

              Technical SEO | Aug 16, 2022, 11:12 PM | GAnalytics
              1
            • Alancito

              Alternate page with proper canonical tag Status: Excluded in Google webmaster tools.

              canonical google webmaster

              In Google Webmaster Tools, I have a coverage issue. I am getting this error message: Alternate page with proper canonical tag Status: Excluded. It gives the below blog post page as an example. Any idea how to resolve? At one time, I was using handl utm grabber, but the plugin is deactivated on my website. https://www.savacations.com/turrialba-costa-ricas-garden-city/?utm_source=deleted&utm_medium=deleted&utm_term=deleted&utm_content=deleted&utm_campaign=deleted&gclid=deleted5.

              Intermediate & Advanced SEO | May 2, 2024, 2:42 PM | Alancito
              0
            • Serg155

              Optimal use of keywords in header tag

              what does optimal use of keywords in header tag actually mean given you indicate this as hurting seo factor?

              Technical SEO | Feb 17, 2019, 8:53 AM | Serg155
              0
            • zasite

              Do URLs with canonical tags get indexed by Google?

              Hi, we re-branded and launched a new website in February 2016. In June we saw a steep drop in the number of URLs indexed, and there have continued to be smaller dips since. We started an account with Moz and found several thousand high priority crawl errors for duplicate pages and have since fixed those with canonical tags. However, we are still seeing the number of URLs indexed drop. Do URLs with canonical tags get indexed by Google? I can't seem to find a definitive answer on this. A good portion of our URLs have canonical tags because they are just events with different dates, but otherwise the content of the page is the same.

              Technical SEO | Oct 18, 2016, 4:15 PM | zasite
              0
            • suchde

              Missing meta descriptions from Google SERPs

              Hullo all, I run an e-commerce website and hence have a lot of product category/sub-category pages to handle. Despite giving each of these category pages meta descriptions, in the Google SERPs, a lot of these descriptions don't show up fully. Rather, only half the text that I'd inputed as my meta desc. shows up; the other half has generic stuff from that page given.  I've attached a screen shot to give you an example of what comes up in the SERPs. Could you please tell me what exactly is the problem? Is it a coding issue? Or has Google not crawled that page? Need help asap! Thank you in advance! aE9RKXJ

              Technical SEO | Jul 26, 2013, 5:24 AM | suchde
              0
            • tjhossy

              Do canonical tags pass all of the link juice onto the URL they point to?

              I have an ecommerce website where the category pages have various sorting and paging options which add a suffix to the URLs. My site is setup so the root category URL, domain.com/category-name, has a canonical tag pointing to domain.com/category-name/page1/price however all links, both interner & external, point to the former (i.e. domain.com/category-name). I would like to know whether all of the link juice is being passed onto the canonical tag URL? Otherwise should I change the canonical tag to point the other way? Thanks!

              Technical SEO | Jan 14, 2013, 8:08 PM | tjhossy
              0
            • lnietob

              I need help with a PHP canonical URL tags

              I found a little difficult for me to do a canonical tag in my PHP. On-Page Report Card We check to make sure that IF you use canonical URL tags, it points to the right page. If the canonical tag points to a different URL, engines will not count this page as the reference resource and thus, it won't have an opportunity to rank. If you've not made this page the rel=canonical target, change the reference to this URL. NOTE: For pages not employing canonical URL tags, this factor does not apply. I don't know how to tidy my PHP Any suggestion.

              Technical SEO | Jul 18, 2013, 2:00 PM | lnietob
              0
            • robertdempsey

              Duplicate canonical URLs in WordPress

              Hi everyone, I'm driving myself insane trying to figure this one out and am hoping someone has more technical chops than I do. Here's the situation... I'm getting duplicate canonical tags on my pages and posts, one is inside of the WordPress SEO (plugin) commented section, and the other is elsewhere in the header. I am running the latest version of WordPress 3.1.3 and the Genesis framework. After doing some testing and adding the following filters to my functions.php: <code>remove_action('wp_head', 'genesis_canonical'); remove_action('wp_head', 'rel_canonical');</code> ... what I get is this: With the plugin active + NO "remove action" - duplicate canonical tags
              With the plugin disabled + NO "remove action" - a single canonical tag
              With the plugin disabled + A "remove action" - no canonical tag I have tried using only one of these remove_actions at a time, and then combining them both. Regardless, as long as I have the plugin active I get duplicate canonical tags. Is this a bug in the plugin, perhaps somehow enabling the canonical functionality of WordPress? Thanks for your help everyone. Robert Dempsey

              Technical SEO | May 27, 2011, 12:14 PM | robertdempsey
              0

            Get started with Moz Pro!

            Unlock the power of advanced SEO tools and data-driven insights.

            Start my free trial
            Products
            • Moz Pro
            • Moz Local
            • Moz API
            • Moz Data
            • STAT
            • Product Updates
            Moz Solutions
            • SMB Solutions
            • Agency Solutions
            • Enterprise Solutions
            Free SEO Tools
            • Domain Authority Checker
            • Link Explorer
            • Keyword Explorer
            • Competitive Research
            • Brand Authority Checker
            • Local Citation Checker
            • MozBar Extension
            • MozCast
            Resources
            • Blog
            • SEO Learning Center
            • Help Hub
            • Beginner's Guide to SEO
            • How-to Guides
            • Moz Academy
            • API Docs
            About Moz
            • About
            • Team
            • Careers
            • Contact
            Why Moz
            • Case Studies
            • Testimonials
            Get Involved
            • Become an Affiliate
            • MozCon
            • Webinars
            • Practical Marketer Series
            • MozPod
            Connect with us

            Contact the Help team

            Join our newsletter
            Moz logo
            © 2021 - 2025 SEOMoz, Inc., a Ziff Davis company. All rights reserved. Moz is a registered trademark of SEOMoz, Inc.
            • Accessibility
            • Terms of Use
            • Privacy

            Looks like your connection to Moz was lost, please wait while we try to reconnect.