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
      • MozCon
      • Webinars, Whitepapers, & Guides
    • Blog
    • Why Moz
      • Digital Marketers
      • Agency Solutions
      • Enterprise Solutions
      • Small Business Solutions
      • 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.

      Track AI Overviews in Keyword Research
      Moz Pro

      Track AI Overviews in Keyword Research

      Try it free!
    • 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
      • Digital Marketers

        Simplify SEO tasks to save time and grow your traffic.

      • 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.

      • 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. Digital Marketing
    3. Web Design
    4. Reason for robots.txt file blocking products on category pages?

    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.

    Reason for robots.txt file blocking products on category pages?

    Web Design
    3
    7
    2281
    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.
    • Frankie-BTDublin
      Frankie-BTDublin Subscriber last edited by

      Hi

      I have a website with thosands of products. On the category pages, all the products are linked to with the code “?cgid” in the URL. But “?cgid” is also blocked in the robots.txt file for some reason. So I'm thinking it's stopping all my products getting crawled by Google.

      Am I right here? Is there any reason why a website would want to limit so many URL's? I'm only here a week and the sites getting great traffic, so don't want to go breaking it!!!

      Thanks

      1 Reply Last reply Reply Quote 0
      • Frankie-BTDublin
        Frankie-BTDublin Subscriber @AL123al last edited by

        Thanks again AL123al!

        I would be concerned about my internal linking because of this problem. I've always wanted to keep important pages within 3 clicks of the Homepage. My worry here is that while these products can get clicked by a user within 3 clicks of the Homepage, they're blocked to Googlebot.

        So the product URLS are only getting crawled in the sitemap, which would be hugely ineffcient? So I think I have to decide whether opening up these pages will improve my linking structure for Google to crawl the product pages, but is that important than increasing the amount of pages it's able to crawl and wasting crawl budget?

        1 Reply Last reply Reply Quote 0
        • AL123al
          AL123al last edited by

          Hello,

          The canonical product URLS will be getting crawled just fine as they are not blocked in the robots.txt. Without understanding your problem completely, I think the guys before you were trying to stop all the duplicate URLS with parameters being crawled and just leaving Google to crawl the canonicals - which is what you want.

          If you remove the parameter from robots.txt then Google will crawl everything including the parameter URLS. This will waste crawl budget. So better that Google is only crawling the canonicals.

          Regarding the sitemap, being present on the sitemap will help Googlebot decide what to prioritise crawling but won't stop it finding other URLS if there is good internal linking.

          Frankie-BTDublin 1 Reply Last reply Reply Quote 0
          • Frankie-BTDublin
            Frankie-BTDublin Subscriber @AL123al last edited by

            Thanks AL123al! The base URL's (www.example.com/product-category/ladies-shoes) do seem to be getting crawled here & there, and some are ranking which is great. But I think the only place they can get crawled is the sitemap, which has has over 28,000 URLs on one page (another thing I need to fix)!

            So if Googlebot gets to the parameter URL through category pages (www.example.com/product-category/ladies-shoes?cgid...) and sees it's blocked, I'm guessing it can't see it's important to us (from the website hierarchy) or the canonical tag, so I'm presuming it's seriously damaging or power in getting products ranked 😕

            In Screaming Frog, 112,000 get crawled and 68% are blocked by robots. 17,000 are URL's which contain "?cgid", which I don't think is too big for Googlebot to crawl, the websites has a pretty good authority so I think we have a pretty deep crawl.

            So I suppose what really want to know is will removing "?cgid" from the robots file really damage the site? I my opinion, I think it'll really help

            1 Reply Last reply Reply Quote 0
            • AL123al
              AL123al last edited by

              This looks like the products are being appended by a parameter ?cgid - there may be other stuff attached to the end of each URL like this below:

              e.g. www.example.com/product-category/ladies-shoes?cgid-product=19&controller=product  etc

              but canonical URL is www.example.com/product-category/ladies-shoes

              These products may have had a canonical to the base URL which means that there won't be any problem with duplicates being indexed. So all well and good.

              Except.....Google has to crawl each of these parameter URLs to find the canonical. In a huge website this means that crawl budget is being consumed by unnecessary crawling of these parameterised URLs.

              You can tell Google not to crawl the parameter URLs in search console (at least in the old version you can). But you can also stop Google crawling these URLS unnecessarily by blocking them in robots txt if you are sure that the parameters are not changing how the page is looking in search.

              So long story short is that is why you may see that the URLS with parameters are being blocked in robots.txt. The canonical version URLS will be getting crawled just fine since they don't have any parameters and hence not being blocked.

              Hope that makes sense?

              Frankie-BTDublin 1 Reply Last reply Reply Quote 0
              • Frankie-BTDublin
                Frankie-BTDublin Subscriber @jacobmartinnn last edited by

                Yes, it's in the robot.txt, that's the problem. Someone had to physically put it in there, but I've no idea why they would.

                1 Reply Last reply Reply Quote 0
                • jacobmartinnn
                  jacobmartinnn last edited by

                  Did you check  your robot txt file? Or check if any plugin creating this problem.

                  Frankie-BTDublin 1 Reply Last reply Reply Quote -1
                  • 1 / 1
                  • First post
                    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

                  • sb1030

                    JSON-LD product page markup for multiple currencies?

                    I haven't found a working example of a single product page with one "Offer" in multiple "priceCurrency" and "price" We have product pages with a single product URL which will offer different prices in different currencies based on the user's IP. Some of the language of the page will be translated based on the IP (this will have href lang tag) but the URL will not change. (We're aware TLD is considered best practice, however, this is not an option at this time.) Is the best option to update the markup based on what the corresponding "country"? I'm uncertain how this may be handled by crawlers. Eg, For the product page https://www.example.com/product1 displaying USD "offers": {
                    "@type": "Offer",
                    "url": "https://www.example.com/product1",
                    "itemCondition": "https://schema.org/NewCondition",
                    "availability": "InStock",
                    "priceCurrency": "USD",
                    "price": "7.99"} For the product pagehttps://www.example.com/product1 displaying EUR "offers": {
                    "@type": "Offer",
                    "url": "https://www.example.com/product1",
                    "itemCondition": "https://schema.org/NewCondition",
                    "availability": "InStock",
                    "priceCurrency": "EUR",
                    "price": "7.50"} Thanks for any input.

                    Web Design | | sb1030
                    0
                  • KempRugeLawGroup

                    Fixing Render Blocking Javascript and CSS in the Above-the-fold content

                    We don't have a responsive design site yet, and our mobile site is built through Dudamobile. I know it's not the best, but I'm trying to do whatever we can until we get around to redesigning it. Is there anything I can do about the following Page Speed Insight errors or are they just a function of using Dudamobile? Eliminate render-blocking JavaScript and CSS in above-the-fold content Your page has 3 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript: http://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js http://mobile.dudamobile.com/…ckage.min.js?version=2015-04-02T13:36:04 http://mobile.dudamobile.com/…pts/blogs.js?version=2015-04-02T13:36:04 Optimize CSS Delivery of the following: http://fonts.googleapis.com/…:400|Great+Vibes|Signika:400,300,600,700 http://mobile.dudamobile.com/…ont-pack.css?version=2015-04-02T13:36:04 http://mobile.dudamobile.com/…kage.min.css?version=2015-04-02T13:36:04 http://irp-cdn.multiscreensite.com/kempruge/files/kempruge_0.min.css?v=6 http://irp-cdn.multiscreensite.com/…mpruge/files/kempruge_home_0.min.css?v=6 Thanks for any tips, Ruben

                    Web Design | | KempRugeLawGroup
                    0
                  • CFSSEO

                    Spaces at beginning of title tag - negatively affect the optimization of the page?

                    For some reason, our title tags have a long space after the beginning title tag and before the text appears. The beginning title tag is on one line, then a break, a tab and then the content of the title tag.  I'm pretty sure this is not good and is affecting optimization of the page.  Am I correct or is this not an issue and does not need to be fixed? Example: | <title></span></p> <p> </p> </td> </tr> <tr> <td class="line-number"> </td> <td class="line-content">                       First keyword</td> </tr> </tbody> </table></title> |

                    Web Design | | CFSSEO
                    0
                  • paulbaguley

                    Help with Schema.org on Ecommerce Products

                    I’m looking for ways of using schema.org with products that have pricing options. There appear to be two main problems 1)      Whilst colour, width, height and depth are all catered for, size appears to be missing – how can we mark up products that are available in sizes that aren’t necessarily covered by width/height/depth (e.g. shoe size). Also, what if the product is available in different finishes – technically, these could not properly be described as colours so how could we mark them up? 2)      There doesn’t seem to be any particularly good way of marking up pricing options that are displayed on the same product detail page. For e.g. if a pricing option table is used like this: | ID | Colour | Price 001-red | Red | £3.99 001-green | Green | £4.49 001-blue | Blue | £4.99 | I can mark up each row as an offer, and give each offer a price and sku or mpn, but then I can’t use itemprop=”color” to describe exactly what the option is. Would I just use itemprop=”name” in this case and abandon color altogether (even though it’s technically supposed to be describing the colour of the product and not the name of the offer)? I suppose another way I could approach it would be to mark up each row as an individual product, and assign each one an offer with the details as described above but then the containing page would effectively look like a separate product – which it isn’t. Any help or advice on this would be very much appreciated

                    Web Design | | paulbaguley
                    0
                  • jpretz

                    One Page Guide vs. Multiple Individual Pages

                    Howdy, Mozzers! I am having a battle with my inner-self regarding how to structure a resources section for our website. We're building out several pieces of content that are meant to be educational for our clients and I'm having trouble deciding how to layout the content structure. We could either layout all eight short sections on a single page, or create individual pages for each section. The goal is obviously to attract new potential clients by targeting these terms that they may be searching for in an information gathering stage. Here's my dilemma...
                    With the single page guide, it would be nice because it will have a lot of content (and of course, keywords) to be picked up by the SERPS but I worry that it is going to be a bit crammed (because of eight sections) for the user. The individual pages would be much better organized and you can target more specific keywords, but I worry that it may get flagged for light content as some pages may have as little as a 150 word description. I have always been mindful of writing copy for searchers over spiders, but now I'm at a more technical crossroads as far as potentially getting dinged for not having robust content on each page. Here's where you come in...
                    What do you think is the better of the two options? I like the idea of having the multiple pages because of the ability to hone-in on a keyword and the clean, organized feel, but I worry about the lack of content (and possibly losing out on long-tail opportunities). I'd love to hear your thoughts. Please and thank you. Ready annnnnnnnnnnnd GO!

                    Web Design | | jpretz
                    0
                  • airnwater

                    Decreasing Page Load Time with Placeholder Images - Good Idea or Bad Idea?

                    In an effort to decease our page load time, we are looking at making a change so that all product images on any page past page 1 load with a place holder image.  When the user clicks to the next page, it then loads all of the images for that page. Right now, all of the product divs are loaded into a Javascript array and loaded in chunks to the page display div. Product-heavy pages significantly increase load time as the browser loads all of the images from the product HTML before the Javascript can rewrite the display div with page-specific product HTML. In order to get around this, we are looking at loading the product HTML with a small placeholder image and then substituting the appropriate product image URLs when each page is output to the display div. From a user experience, this change will be seamless and they won't be able to tell the difference, plus they will benefit from a potentially a short wait on loading the images for the page in question.  However, the source of the page will have all of the product images in a given category page all having the same image.  How much of a negative impact will this have on SEO?

                    Web Design | | airnwater
                    0
                  • Naghirniac

                    Is there a limit for 301 redirection in htaccess file?

                    For the SEO perspective, there is a limit for the number of 301 redirection inside the htaccess file?

                    Web Design | | Naghirniac
                    0
                  • Ryan-Bradley

                    How to Add canonical tags on .ASPX pages?

                    What is the proper way (or is it possible) to add canonical tags on website pages that end in .aspx? If you add a canonical tag to the Master Page it will put that exact canonical tag on every page, which is bad. Is there a different version of the tag to put on individual pages? And one to put on the home page without the Master Page error?

                    Web Design | | Ryan-Bradley
                    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
                  • Digital Marketers
                  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.