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. SEO Tactics
    3. Technical SEO
    4. Disallow: /404/ - Best Practice?

    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.

    Disallow: /404/ - Best Practice?

    Technical SEO
    2
    3
    5319
    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.
    • niconico101
      niconico101 last edited by

      Hello Moz Community,

      My developer has added this to my robots.txt file: Disallow: /404/

      Is this considered good practice in the world of SEO? Would you do it with your clients?

      I feel he has great development knowledge but isn't too well versed in SEO.

      Thank you in advanced,

      Nico.

      1 Reply Last reply Reply Quote 1
      • niconico101
        niconico101 @LesleyPaone last edited by

        Thank you Lesley.

        This really helps a lot. I appreciate it very much. This is my site by the way: http://devilswink.com/

        Thanks.

        Nico.

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

          This comes down to personal preference in my opinion. I think honestly it is neither here nor there. The instances that your 404 page could come up in the SERP's is more than likely pretty low and at the same time it really does not offer any useful content. So disallowing it would not really be any loss. One reason why it might be disallowed is that you have an e-commerce site that rotates products. When a product is deleted, the developer has a 301 to the 404 page, then with the robots.txt saying not to index the 404 page, the other page will drop out of search engines. If this is the case I would rethink that strategy. If you notice a lot of sites like amazon and other big sites leave the page in the index even if the product is no longer for sale. The thought is traffic is traffic, the hardest part in the whole equation is getting someone to your site, if the page is ranking, why delete it.

          The only time I can think that I would specifically allow it and optimize it is if you have a cool 404 page. Some companies actually spend a bit of time on their pages and it gets them a little pop of viral traffic from social sharing sites like reddit. If you do have one that is funny or unique I would allow it and actually optimize it for a term like "funny 404 page" or something like that.

          niconico101 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

          • Breemcc

            Our clients Magento 2 site has lots of obsolete categories. Advice on SEO best practice for setting server level redirects so I can delete them?

            magento nginx

            Our client's Magento website has been running for at least a decade, so has a lot of old legacy categories for Brands they no longer carry. We're looking to trim down the amount of unnecessary URL Redirects in Magento, so my question is: Is there a way that is SEO efficient to setup permanent redirects at a server level (nginx) that Google will crawl to allow us at some point to delete the categories and Magento URL Redirects? If this is a good practice can you at some point then delete the server redirects as google has marked them as permanent?

            Technical SEO | | Breemcc
            0
          • acsilver

            What do you do with product pages that are no longer used ? Delete/redirect to category/404 etc

            We have a store with thousands of active items and thousands of sold items. Each product is unique so only one of each. All products are pinned and pushed online ... and then they sell and we have a product page for a sold item. All products are keyword researched and often can rank well for longtail keywords Would you :- 1. delete the page and let it 404 (we will get thousands) 2. See if the page has a decent PA, incoming links and traffic and if so redirect to a RELEVANT category page ? ~(again there will be thousands) 3. Re use the page for another product - for example a sold ruby ring gets replaces with ta new ruby ring and we use that same page /url for the new item. Gemma

            Technical SEO | | acsilver
            0
          • Taswirh

            Expired domain 404 crawl error

            I recently purchased a Expired domain from auction and after I started my new site on it, I am noticing 500+ "not found" errors in Google Webmaster Tools, which are generating from the previous owner's contents.Should I use a redirection plugin to redirect those non-exist posts to any new post(s) of my site? or I should use a 301 redirect? or I should leave them just as it is without taking further action? Please advise.

            Technical SEO | | Taswirh
            1
          • mtthompsons

            Backlinks that we have if they are 404?

            Hi All, Backlinks that we have if they are 404? Open site explorer shows 1,000 of links and when I check many are 404 and those are spammy links which we had but now the sites are 404 I am doing a link profile check which is cleaning up all spammy links Should i take any action on them? As open site explorer or Google still shows these links on the searches. Should we mention these URL's in disallow in Google webmaster. Thanks

            Technical SEO | | mtthompsons
            0
          • Santaur

            Best practices for controlling link juice with site structure

            I'm trying to do my best to control the link juice from my home page to the most important category landing pages on my client's e-commerce site. I have a couple questions regarding how to NOT pass link juice to insignificant pages and how best to pass juice to my most important pages. INSIGNIFICANT PAGES: How do you tag links to not pass juice to unimportant pages. For example, my client has a "Contact" page off of there home page. Now we aren't trying to drive traffic to the contact page, so I'm worried about the link juice from the home page being passed to it. Would you tag the Contact link with a "no follow" tag, so it doesn't pass the juice, but then include it in a sitemap so it gets indexed? Are there best practices for this sort of stuff?

            Technical SEO | | Santaur
            0
          • gojesper

            Best URL-structure for ecommerce store?

            What structure will recommend to the product pages? Lets make an example with the keyword "Luxim FZ200" With category in url:
            www.myelectronicshop.com/digital-cameras/luxim-FZ200.html With /product prefix:
            www.myelectronicshop.com/product/luxim-FZ200.html Without category in url:
            www.myelectronicshop.com/luxim-FZ200.html I have read in a blog post that Paddy Moogan recommend /lluxim-FZ200.html - i think i prefer this version too. But I can see that many of the bigger ecommerce stores are using a /product prefix before the product name. What is the reason for this? and what is best practice?

            Technical SEO | | gojesper
            0
          • AndreVanKets

            OK to block /js/ folder using robots.txt?

            I know Matt Cutts suggestions we allow bots to crawl css and javascript folders (http://www.youtube.com/watch?v=PNEipHjsEPU) But what if you have lots and lots of JS and you dont want to waste precious crawl resources? Also, as we update and improve the javascript on our site, we iterate the version number ?v=1.1... 1.2... 1.3... etc. And the legacy versions show up in Google Webmaster Tools as 404s. For example: http://www.discoverafrica.com/js/global_functions.js?v=1.1
            http://www.discoverafrica.com/js/jquery.cookie.js?v=1.1
            http://www.discoverafrica.com/js/global.js?v=1.2
            http://www.discoverafrica.com/js/jquery.validate.min.js?v=1.1
            http://www.discoverafrica.com/js/json2.js?v=1.1 Wouldn't it just be easier to prevent Googlebot from crawling the js folder altogether? Isn't that what robots.txt was made for? Just to be clear - we are NOT doing any sneaky redirects or other dodgy javascript hacks. We're just trying to power our content and UX elegantly with javascript. What do you guys say: Obey Matt? Or run the javascript gauntlet?

            Technical SEO | | AndreVanKets
            0
          • anchorwave

            Best 404 Error Checker?

            I have a client with a lot of 404 errors from Web Master Tools, and i have to go through and check each of the links because Some redirect to the correct page Some redirect to another url but its a 404 error Some are just 404 errors Does anyone know of a tool where i can dump all of the urls and it will tell me If the url is redirected, and to where if the page is a 404 or other error Any tips or suggestions will be really appreciated! Thanks SEO Moz'rs

            Technical SEO | | anchorwave
            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.