• BBgmoro

        See all notifications

        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.

          Turn SEO data into actionable content briefs

          Turn SEO data into actionable content briefs

          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.

          Let your business shine with Listings AI

          Let your business shine with Listings AI

          Get found
        • 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

          Access 20 years of data with flexible pricing
          Moz API

          Access 20 years of data with flexible pricing

          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
        • My Q&A
        • 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. 4XX Errors - Adding %5c%5c to Links

        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.

        4XX Errors - Adding %5c%5c to Links

        Technical SEO
        3
        7
        2650
        Loading More Posts
        • Watching

          Notify me of new replies.
          Show question in unread.

        • Not Watching

          Do not notify me of new replies.
          Show question in unread if category is not ignored.

        • Ignoring

          Do not notify me of new replies.
          Do not show question in unread.

        • Oldest to Newest
        • Newest to Oldest
        • Most Votes
        Reply
        • Reply as question
        Locked
        This topic has been deleted. Only users with question management privileges can see it.
        • potpiegirl
          potpiegirl last edited by

          Hi all  😃

          Hope someone can help me with this.

          The internal links on my hubby's business site occasionally break and add %5c%5c%5c endlessly to the end of the url - like this:

          site.com/about/hours-of-operation/\\\\\\\\%

          I cannot for the life of me figure out why it is doing this and while it has happened to me from time to time, I can't recreate it.

          My crawl diagnostics here in my SEOMox campaign show 19-20 urls doing this - it's nuts.

          Any insight?

          Thank you!!

          Jennifer

          ~PotPieGirl

          1 Reply Last reply Reply Quote 0
          • potpiegirl
            potpiegirl @irvingw last edited by

            Both Shane and I looked and neither of saw any / vs \ issues.

            Then, I just took a peek at my source code and look what I saw:

            http://screencast.com/t/y02R4RS2L

            Think that is it?

            Thanks for replying!

            Jennifer

            1 Reply Last reply Reply Quote 0
            • potpiegirl
              potpiegirl @potpiegirl last edited by

              Sent you a PM, Shane - thanks so much for the offer!

              By "occasionally break", I mean that every now and again, any link on the site will freak out and add the %5c jibberish to the end.

              Jennifer

              1 Reply Last reply Reply Quote 0
              • Jinx14678
                Jinx14678 @potpiegirl last edited by

                It would really have to be....

                The only reason for a %5C is the use of backslash - as that is actually what it means in code.

                **business site occasionally break **

                How do you mean "break" ?

                My crawl diagnostics here in my SEOMox campaign show 19-20 urls doing this - it's nuts.

                Is the only issue from this in SEOMOZ reports?

                If you would like to PM me the site I can attempt to profile it

                1 Reply Last reply Reply Quote 1
                • potpiegirl
                  potpiegirl @Jinx14678 last edited by

                  Thanks for replying so quickly, Shane!

                  I don't believe it's a / vs \ issue.  It's a wordpress site.  Key pages are in the top nav bar (all urls correct) and all the side bar links are 'widgets' and created by Wordpress.

                  For some reason I am suspecting a theme issue, but if I can't recreate the error, I'll have no way of knowing if changing the theme solves the problem.

                  Site has been online since 2010 with no issues...this is a new issue (past couple months according to crawl diagnostics).

                  Thanks!!!

                  Jinx14678 potpiegirl 2 Replies Last reply Reply Quote 0
                  • irvingw
                    irvingw last edited by

                    somewhere in your url coding you added backslash instead of slash which is not valid.

                    potpiegirl 1 Reply Last reply Reply Quote 1
                    • Jinx14678
                      Jinx14678 last edited by

                      It appears from research it is actually \   (backslash)  not / (slash)

                      So possibly somewhere in your site you have used \ instead of /  but of course this is just a possibility, as it appears that %5C is the delimiter or interpretation of \ in original Unix.

                      Hope this helps

                      PS a quick check at http://www.w3schools.com/tags/ref_urlencode.asp verified %5c is URL encode, for backslash - as it is treated as a special character, so somewhere in your CMS or code, you have used backslash instead of slash.

                      potpiegirl 1 Reply Last reply Reply Quote 1
                      • 1 / 1
                      • First post
                        Last post

                      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

                      • Mediaholix

                        Does anyone know the linking of hashtags on Wix sites does it negatively or postively impact SEO. It is coming up as an error in site crawls 'Pages with 404 errors' Anyone got any experience please?

                        Does anyone know the linking of hashtags on Wix sites does it negatively or positively impact SEO.  It is coming up as an error in site crawls 'Pages with 404 errors'  Anyone got any experience please? For example at the bottom of this blog post https://www.poppyandperle.com/post/face-painting-a-global-language the hashtags are linked, but they don't go to a page, they go to search results of all other blogs using that hashtag.  Seems a bit of a strange approach to me.

                        Technical SEO | | Mediaholix
                        0
                      • CuriosityMedia

                        How does link juice flow through hreflang?

                        We want to use the hreflang tag on our site (direct users searching for the Spanish version of spanishdict.com to spanishdict.com/traductor). Before doing so, we were wondering how link juice flows through hreflang? Any insight or resources on this would be very helpful. Thanks!

                        Technical SEO | | CuriosityMedia
                        0
                      • AfroSEO

                        Schema Markup Errors - Priority or Not?

                        Greetings All... I've been digging through the search console on a few of my sites and I've been noticing quite a few structured data errors. Most of the errors are related to: hcard, hentry and hatom. Most of them are missing author & entry-title, while the other one is  missing: fn. I recently saw an article on SEL about Google's focus on spammy mark-up. The sites I use are built and managed by vendors, so I would have to impress upon them the impact of these errors and have them prioritize, then fix them. My question is whether or not this should be prioritized? Should I have them correct these errors sooner than later or can I take a phased approach? I haven't noticed any loss in traffic or anything like that, I'm more focused on what negative impact a "phased approach" could have. Any thoughts?

                        Technical SEO | | AfroSEO
                        0
                      • Liggins

                        Updating inbound links vs. 301 redirecting the page they link to

                        Hi everyone, I'm preparing myself for a website redesign and finding conflicting information about inbound links and 301 redirects. If I have a URL (we'll say website.com/website) that is linked to by outside sources, should I get those outside sources to update their links when I change the URL to website.com/webpage? Or is it just as effective from a link juice perspective to simply 301 redirect the old page to the new page? Are there any other implications to this choice that I may want to consider? Thanks!

                        Technical SEO | | Liggins
                        0
                      • inlinear

                        Correct linking to the /index of a site and subfolders: what's the best practice? link to: domain.com/ or domain.com/index.html ?

                        Dear all, starting with my .htaccess file: RewriteEngine On
                        RewriteCond %{HTTP_HOST} ^www.inlinear.com$ [NC]
                        RewriteRule ^(.*)$ http://inlinear.com/$1 [R=301,L] RewriteCond %{THE_REQUEST} ^./index.html 
                        RewriteRule ^(.)index.html$ http://inlinear.com/ [R=301,L] 1. I redirect all URL-requests with www. to the non www-version...
                        2. all requests with "index.html" will be redirected to "domain.com/" My questions are: A) When linking from a page to my frontpage (home) the best practice is?: "http://domain.com/" the best and NOT: "http://domain.com/index.php" B) When linking to the index of a subfolder "http://domain.com/products/index.php" I should link also to: "http://domain.com/products/" and not put also the index.php..., right? C) When I define the canonical ULR, should I also define it just: "http://domain.com/products/" or in this case I should link to the definite file: "http://domain.com/products**/index.php**" Is A) B) the best practice? and C) ? Thanks for all replies! 🙂
                        Holger

                        Technical SEO | | inlinear
                        0
                      • KLLC

                        What is link Schemes?

                        Hello Friends, Today I am reading about link schemes on http://support.google.com/webmasters/bin/answer.py?hl=en&answer=66356 there are a several ways how to avoid Google penalties and also talk about the low quality links. But I can't understand about  "Low-quality directory or bookmark site links" Is there he talked about low page rank, Alexa or something else?

                        Technical SEO | | KLLC
                        0
                      • Aspedia

                        Add to Cart Link

                        We have shopping cart links (<a href's,="" not="" input="" buttons)="" that="" link="" to="" a="" url="" along="" the="" lines="" of="" cart="" add="" 123&return="/product/123. </p"></a> <a href's,="" not="" input="" buttons)="" that="" link="" to="" a="" url="" along="" the="" lines="" of="" cart="" add="" 123&return="/product/123. </p">The SEOMoz site crawls are flagging these as a massive number of 302 redirects and I also wonder what sort of effect this is having on linkjuice flowing around the site. </a> <a href's,="" not="" input="" buttons)="" that="" link="" to="" a="" url="" along="" the="" lines="" of="" cart="" add="" 123&return="/product/123. </p">I can see several possible solutions: Make the links nofollow Make the links input buttons Block /cart/add with robots.txt Make the links 301 instead of 302 Make the links javascript (probably worst care) All of these would result in an identical outcome for the UX, but are very different solutions. What would you suggest?</a>

                        Technical SEO | | Aspedia
                        0
                      • MarloSchneider

                        How to find links to 404 pages?

                        I know that I used to be able to do this, but I can't seem to remember. One of the sites I am working on has had a lot of pages moving around lately.  I am sure some links got lost in the fray that I would like to recover, what is the easiest way to see links going to a domain that are pointing to 404 pages?

                        Technical SEO | | MarloSchneider
                        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 - 2026 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.