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.

      What is your Brand Authority?
      Moz

      What is your Brand Authority?

      Check yours now
    • 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.

      • SEO Q&A

        Insights & discussions from an SEO community of 500,000+.

      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. Moz Tools
    3. Moz Pro
    4. Link Explorer
    5. If I migrate to a new domain, does my Domain Authority score get migrated also?

    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.

    If I migrate to a new domain, does my Domain Authority score get migrated also?

    Link Explorer
    2
    2
    1057
    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.
    • KenSchaefer
      KenSchaefer last edited by

      For business reasons, I migrated my domain with a DA score of 85 to a new domain.  After some time, the DA score on the new domain is only 45.  My migration plan and redirects went smooth and all redirected with best practices in mind.  I am still ranking well for almost all of the keywords where I've 301 redirected old URL to new.

      Any feedback welcome!

      1 Reply Last reply Reply Quote 1
      • samantha.chapman
        samantha.chapman Staff last edited by

        Hi there,

        Sam from Moz's Help Team here!

        Sorry for any confusion.

        So the thing is, for us to update any 301 link, we would need to re-discover the old pages to be able to follow and update the metrics.

        As our index continues to grow and links are rediscovered, links which have changed should be marked as “lost” for the original domain and “discovered” for the new domain. In order for our crawler to update metrics to reflect the new domain, it would need to recrawl the pages linking to your site and discover the links which redirect.

        The discrepancies between the DA of your old domain and new domain are probably due to the previously externally discovered links that haven't moved over just or haven’t been discovered. I hope this helps to explain - definitely let me know if you have any follow up questions!

        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

        • g3mmab

          Unsolved Huge Increase In Internal Links + Domain Authority Tanked

          internal linking domain authority

          Hey, I am very concerned about the link metrics I am seeing, really hoping someone can help. In October last year there were a total of 34.7K 'total links' attributed to my E-commerce website . This compared to 41.2k and 213k links attributed to my two main competitors. In November, my website had a forced update due to incompatibility issues my shopping cart version was having with the server on which it is hosted. (I was told by my web developers / hosting company that their server was upgraded.) This update created many problems such as checkout issues, page layout issues, sitemaps not automatically regenerating and the big one - it reverted back to http instead of https. Along with my developers, I spent 2 weeks fixing all of the issues until everything worked correctly and https was reinstated. After initial warnings from Moz, I have not received any critical crawler issues or warnings, big ranking drops etc since November. I was satisfied that all was ok. However, in November my 'total links' jumped to 81.5k and have since continued to balloon. December - 309.1k, January -335k, February - 665k, March - 716k, April - 719k, May - 742k, June - 751k. In the same period (November - June), my external links went from 5.3k - 8.7k. So it appears the huge increase in links are internal. In my latest report it states that 'internal follow links' are up by 8k and 'internal no follow links' are up by 1k. This is insane. I cannot understand why I have so many internal links and why they keep increasing. I maintain the website with updates, blog articles etc but no more than I have in the past several years. Worryingly, once this increase in links started being reported, my Domain Authority has also tanked. In October my DA was 37 (higher than my competitors) and has since dropped as low as 19. It has gone up to 21 this month (still significantly lower than my competitors). I have spent hours researching why this huge increase in internal links could be happening but have got nowhere. If anyone could advise what the issue could be and how I can fix it, I would be eternally grateful. Issues I have discovered along the way that may help with analysis:
          My site has many 404s (hundreds) - all relate to urls of old images that have been removed from the website. The 'Top Hits' on my website are from blogs (some spammy) to these deleted image urls that return a 404. I don't use any plugins. I do get 'duplicate content' notices as my blog posts archive themselves and generate new urls - as an example - 'blog post name' archived December 2023. It may be the case that the old http urls have been redirected to https but I have no warnings for 'redirect issues' in Moz. Thanks for taking the time to read this and thanks in advance for any help.

          Link Explorer | | g3mmab
          0
        • Faizali.786

          Unsolved How to decrease spam score

          spam score link explorr

          Why spam score of my website is 78 in moz. I had disaow bad backlinks in 2023 and it's still showing my spam score too high. Help me to decrease it. alt text

          Link Explorer | | Faizali.786
          0
        • mark_seomoz1

          How do I find http backlinks to my domain?

          backlinks http

          Hi, We spotted a number of sites linking to us from http sites, not https sites. How can I use backlink tools to find just those from http sites? Right now I'm looking at exporting a spreadsheet with 3.3 million entries and filtering - and there's not one person here who wants to do that! Thanks in advance. Screen Shot 2021-11-03 at 10.49.12.png

          Link Explorer | | mark_seomoz1
          0
        • yenu

          What is Spam Score?

          DA, PA, I knows it. But what is Spam Score? How does it work? For example in my website: tructiepbongda, the score is 3%. So is this factor evaluated by GG in terms of rankings? How to control this indicator well?
          Thanks!

          Link Explorer | | yenu
          0
        • MonsterIklan12

          How To Bulk Check Linking Domain

          helo sir i want to know are moz can bulk check linking domain maybe like ahrefs batch analysis? if can , can somebody tell me how to do it thanks sir

          Link Explorer | | MonsterIklan12
          2
        • BobAnderson

          Spam links and Domain Authority

          I have a site that I know was Domain Authority 35 but now Domain Authority 25 after someone sent a load of spam links to it, how can this be correct and how can I change it? Is it worth doing a disavow and will moz take that into account?

          Link Explorer | | BobAnderson
          0
        • HeidiMaryAyuningtyas

          How can i reduce spam score

          my website is activate in egg incubation industry https://chicken-device.ir . Level of this site spam score is 19% . now how can i reduce that ?

          Link Explorer | | HeidiMaryAyuningtyas
          0
        • randfish

          DA/PA Fluctuations: How to Interpret, Apply, & Understand These ML-Based Scores

          Howdy folks, Every time we do an index update here at Moz, we get a tremendous number of questions about Domain Authority (DA) and Page Authority (PA) scores fluctuating. Typically, each index (which release approximately monthly), many billions of sites will see their scores go up, while others will go down. If your score has gone up or down, there are many potential influencing factors: You've earned relatively more or less links over the course of the last 30-90 days.
          Remember that, because Mozscape indices take 3-4 weeks to process, the data collected in an index is between ~21-90 days old. Even on the day of release, the newest link data you'll see was crawled ~21 days ago, and can go as far back as 90 days (the oldest crawlsets we include in processing). If you've done very recent link growth (or shrinkage) that won't be seen by our index until we've crawled and processed the next index. You've earned more links, but the highest authority sites have grown their link profile even more
          Since Domain and Page Authority are on a 100-page scale, the very top of that represents the most link-rich sites and pages, and nearly every index, it's harder and harder to get these high scores and sites, on average, that aren't growing their link profiles substantively will see PA/DA drops. This is because of the scaling process - if Facebook.com (currently with a DA of 100) grows its link profile massively, that becomes the new DA 100, and it will be harder for other sites that aren't growing quality links as fast to get from 99 to 100 or even from 89 to 90. This is true across the scale of DA/PA, and makes it critical to measure a site's DA and a page's PA against the competition, not just trended against itself. You could earn loads of great links, and still see a DA drop due to these scaling types of features. Always compare against similar sites and pages to get the best sense of relative performance, since DA/PA are relative, not absolute scores. The links you've earned are from places that we haven't seen correlate well with higher Google rankings
          PA/DA are created using a machine-learning algorithm whose training set is search results in Google. Over time, as Google gets pickier about which types of links it counts, and as Mozscape picks up on those changes, PA/DA scores will change to reflect it. Thus, lots of low quality links or links from domains that don't seem to influence Google's rankings are likely to not have a positive effect on PA/DA. On the flip side, you could do no link growth whatsoever and see rising PA/DA scores if the links from the sites/pages you already have appear to be growing in importance in influencing Google's rankings. We've done a better or worse job crawling sites/pages that have links to you (or don't)
          Moz is constantly working to improve the shape of our index - choosing which pages to crawl and which to ignore. Our goal is to build the most "Google-shaped" index we can, representative of what Google keeps in their main index and counts as valuable/important links that influence rankings. We make tweaks aimed at this goal each index cycle, but not always perfectly (you can see that in 2015, we crawled a ton more domains, but found that many of those were, in fact, low quality and not valuable, thus we stopped). Moz's crawlers can crawl the web extremely fast and efficiently, but our processing time prevents us from building as large an index as we'd like and as large as our competitors (you will see more links represented in both Ahrefs and Majestic, two competitors to Mozscape that I recommend). Moz calculates valuable metrics that these others do not (like PA/DA, MozRank, MozTrust, Spam Score, etc), but these metrics require hundreds of hours of processing and that time scales linearly with the size of the index, which means we have to stay smaller in order to calculate them. Long term, we are building a new indexing system that can process in real time and scale much larger, but this is a massive undertaking and is still a long time away. In the meantime, as our crawl shape changes to imitate Google, we may miss links that point to a site or page, and/or overindex a section of the web that points to sites/pages, causing fluctuations in link metrics. If you'd like to insure that a URL will be crawled, you can visit that page with the Mozbar or search for it in OSE, and during the next index cycle (or, possibly 2 index cycles depending on where we are in the process), we'll crawl that page and include it. We've found this does not bias our index since these requests represent tiny fractions of a percent of the overall index (<0.1% in total). My strongest suggestion if you ever have the concern/question "Why did my PA/DA drop?!" is to always compare against a set of competing sites/pages. If most of your competitors fell as well, it's more likely related to relative scaling or crawl biasing issues, not to anything you've done. Remember that DA/PA are relative metrics, not absolute! That means you can be improving links and rankings and STILL see a falling DA score, but, due to how DA is scaled, the score in aggregate may be better predictive of Google's rankings. You can also pay attention to our coverage of Google metrics, which we report with each index, and to our correlations with rankings metrics. If these fall, it means Mozscape has gotten less Google-shaped and less representative of what influences rankings. If they rise, it means Mozscape has gotten better. Obviously, our goal is to consistently improve, but we can't be sure that every variation we attempt will have universally positive impacts until we measure them. Thanks for reading through, and if you have any questions, please leave them for us below. I'll do my best to follow up quickly.

          Link Explorer | | randfish
          13

        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
        • 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.