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.

      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
      • 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. On-Page Optimization
    4. Blog on Subdomain vs. Subdirectory - Best Practices

    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.

    Blog on Subdomain vs. Subdirectory - Best Practices

    On-Page Optimization
    7
    9
    17072
    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.
    • HiddenPeak
      HiddenPeak last edited by

      Hi,

      I have recently been told that it no longer impacts authority or rankings if a blog is set up on a subdomain (blog.domain.com) rather than a subdirectory (/blog). However, I am reluctant to do so because I remember learning how blog subdomains did not adhere to SEO best practices.

      Would anyone be able to shed some light on the latest SEO best practices regarding this topic?

      Many thanks,

      Erin

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

        Can Moz weigh in on this please? There is a lot of really  good discussion on this particular topic across multiple threads but no clear direction. What does Moz recommend and why? The why is important and here's why.

        If I have a client with an established blog that uses the blog.domain versus domain/blog structure, should I be recommending they migrate to a different structure?

        1 Reply Last reply Reply Quote 1
        • photoseo1
          photoseo1 Subscriber @gregalam last edited by

          Thanks Greg,

          Super helpful video.

          I have a Blogger blog and it is much harder to host it on a subdirectory and extremely easy to host it on a Subdomain. That video was extremely helpful in making a decision as to which one to use. It just saved me lots of hours of toil and pulling my hair out getting a subdirectory set up and configured, when from the horses mouth, it looks like a subdomain is just fine.

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

            An interesting discussing. This is something I have been looking into recently for a blog of mine.

            Thanks

            1 Reply Last reply Reply Quote 0
            • HiddenPeak
              HiddenPeak @gregalam last edited by

              Interesting point. Thanks for sharing this video!

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

                Does the advice still hold true given this video?

                watch?feature=player_embedded&v=_MswMYk05tk

                HiddenPeak photoseo1 2 Replies Last reply Reply Quote 1
                • HiddenPeak
                  HiddenPeak last edited by

                  Thanks everyone for your responses!

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

                    Hi Erin,

                    Sub directories are the preferred method. This has been asked many times on SEOmoz so I'll post a few links so you can have a look at some of the responses and exactly why they are preferred:

                    http://www.seomoz.org/q/blog-vs-blog

                    http://www.seomoz.org/q/best-place-for-a-blog-blog-mydomain-com-or-mydomain-com-blog

                    http://www.seomoz.org/q/subdomains-vs-subfolders

                    Hope that helps!

                    Brad

                    1 Reply Last reply Reply Quote 2
                    • MoosaHemani
                      MoosaHemani Banned last edited by

                      Well there is a very old debate and many SEO will recommend you using sub directory instead of sub domain.

                      Reasons why you should use Sub directory instead of sub-domain:

                      • Search engine still counts sub domain as another website so if the blog is in sub directory it will be considered as the part of the website
                      • Your over all SEO efforts will impact on sub directory which is not the case in terms of sub domain.
                      • Its way easier to rank for long tail keywords with sub directory instead of sub domain.

                      If SEO is not a problem for you are you are more interested in branding then i think subdomain goes well as its easier to remember and write directly in the URL bar.

                      1 Reply Last reply Reply Quote 6
                      • 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

                      • annegretwidmer

                        titles length, URL length and meta descriptions on a subdomain effecting SEO on main domain?

                        subdomains optimization

                        Hi all, I am currently evaluating areas for optimization on my main domain. When doing this, Moz has identified multiple titles and urls that should be shortened and missing meta descriptions on my subdomain (a help center of sorts). As far as I am aware, we have not set up any "no-index" rules for this subdomain. Are these items affecting SEO on my main domain? Thanks,
                        Kasey

                        On-Page Optimization | | annegretwidmer
                        0
                      • StoryScout

                        Duplicate Content - Blog Rewriting

                        I have a client who has requested a rewrite of 250 blog articles for his IT company. The blogs are dispersed on a variety of platforms: his own website's blog, a business innovation website, and an IT website. He wants to have each article optimised with keyword phrases and then posted onto his new website thrice weekly. All of this is in an effort to attract some potential customers to his new site and also to establish his company as a leader in its field. To what extent would I need to rewrite each article so as to avoid duplicating the content? Would there even be an issue if I did not rewrite the articles and merely optimised them with keywords? Would the articles need to be completely taken by all current publishers? Any advice would be greatly appreciated.

                        On-Page Optimization | | StoryScout
                        0
                      • JesusD

                        Blocking Subdomain from Google Crawl and Index

                        Hey everybody, how is it going? I have a simple question, that i need answered. I have a main domain, lets call it domain.com. Recently our company will launch a series of promotions for which we will use cname subdomains, i.e try.domain.com, or buy.domain.com. They will serve a commercial objective, nothing more. What is the best way to block such domains from being indexed in Google, also from counting as a subdomain from the domain.com. Robots.txt, No-follow, etc? Hope to hear from you, Best Regards,

                        On-Page Optimization | | JesusD
                        3
                      • truckguy77

                        Blog.mysite.com or mysite.com/blog?

                        Hi, I'm just curious what the majority think of what's the best way to start a blog on your website for SEO benefits. Is it better to have it under a sub domain or a directory? Or does it even matter?

                        On-Page Optimization | | truckguy77
                        0
                      • rohanarora536

                        Which is Best Practice for creating URLs for subdomain?

                        My website is related to education. We have created sub domains for all major colleges, universities & Entrance exams like Gre, Toefl ETC. for eg:  amityuniversity.abc.com (Amity is Name of University ) Now if have to mention city name in URL as well (college is located in multiple locations) amityuniversity-delhi.abc.com
                        amityuniversitydelhi.abc.com Now my Q is can we use hyphens in sub domains if we have to add city name or shall we create without using any  hyphens. In Directory  structure we can always separate words with hyphens, can we follow same practice in subdomain as well Which is a  best URL for subdomain amity-university-delhi.abc.com
                        amityuniversity-delhi.abc.com
                        or amityuniversitydelhi.abc.com

                        On-Page Optimization | | rohanarora536
                        0
                      • activitysuper

                        .us VS .com

                        In general from what I have experienced a location specific extension such as .co.uk geo-targeted to the same location gives the best results when ranking BUT when I look at results from the US, page after page shows results of .com, surely if my above statement is true then a .us domain extension should rank better then a .com.

                        On-Page Optimization | | activitysuper
                        0
                      • teatable

                        External vs inline for CSS menu

                        Which is better for search engines: external or inline menus? And which language: CSS, Javascript, or both?

                        On-Page Optimization | | teatable
                        0
                      • NextDigital51

                        Passing value in a subdomain

                        Hi guys, I am planning of setting up a blog within a client's website, due to limitations to their server environment, I can only setup the blog in a subdomain, I have read in some articles saying subdomains don't pass value as well as subfolders. My questions are: Is it true that subdomains can't pass SEO value? For example, if I set up a blog (say blog.mydomain.com), will that improve long tail searches for my website (mydomain.com)? What are some recommendations for subdomains so that it passes more value back to the root domain (for example, internal linking from subdomain back to root domain) Thanks guys.

                        On-Page Optimization | | NextDigital51
                        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.