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.
Dealing with 404s during site migration
-
Hi everyone - What is the best way to deal with 404s on an old site when you're migrating to a new website? Thanks, Luke
-
thanks Moosa - it does

-
Thanks - useful feedback - Do you need to forward existing 301s as well? 301s on the site you're moving from? Or might that create complications?
-
I agree with Russ! If you have a 404 page see if you have exact page on your new website (or atleast nearer to exact) if yes, redirect! If you are in to ecommerce industry and you really don’t think that 404 page have any other alternate, in that case try redirecting it to 404 pages!
Make sure the page is customized, provide value to users and allow them to continue their journey on the website.
Hope this helps!
-
If you can, find an exact or close-to-exact replacement on your new site and 301 redirect. You might want to go through analytics to find any trafficked pages and make sure you have them 301 redirected as well. In some cases, you might need to 404 pages, but make sure the 404 pages are useful to help your users find the best content on the new site.
-
Luke,
Refer to this fantastic post of Modestos for better understanding:
https://moz.rainyclouds.online/blog/web-site-migration-guide-tips-for-seos
This will certainly help!
Umar
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
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.
Related Questions
-
How do I treat URLs with bookmarks when migrating a site?
I'm migrating an old website into a new one, and have several pages that have bookmarks on them. Do I need to redirect those? or how should they be treated? For example, both https://www.tnscanada.ca/our-expertise.html and https://www.tnscanada.ca/our-expertise.html#auto resolve .
Intermediate & Advanced SEO | | NatalieB_Kantar0 -
Shopify Site with Multiple Domains?
Hey there! My client has a website on Shopify. I don't even know how to open this can of worms, but let me try. The site URL is: https://mobilityequipmentforless.com/ However, there is another (older?) URL that gets updated as the main site gets updated and shows the exact same content. It's a straight duplicate, but is it's own URL and doesn't redirect to the main site. https://www.powerchairrecyclers.com/ And this isn't the SITE.Shopify back-end site name that was used for set up initially. I just have no idea what's going on here. Not sure if it's a serious error that needs to be fixed, or if it's something weird with how Shopify work. Any insight would be immensely helpful. Thanks! Mike
Intermediate & Advanced SEO | | naturalsociety0 -
Google cache is showing my UK homepage site instead of the US homepage and ranking the UK site in US
Hi There, When I check the cache of the US website (www.us.allsaints.com) Google returns the UK website. This is also reflected in the US Google Search Results when the UK site ranks for our brand name instead of the US site. The homepage has hreflang tags only on the homepage and the domains have been pointed correctly to the right territories via Google Webmaster Console.This has happened before in 26th July 2015 and was wondering if any had any idea why this is happening or if any one has experienced the same issueFDGjldR
Intermediate & Advanced SEO | | adzhass0 -
Noindex a meta refresh site
I have a client's site that is a vanity URL, i.e. www.example.com, that is setup as a meta refresh to the client's flagship site: www22.example.com, however we have been seeing Google include the Vanity URL in the index, in some cases ahead of the flagship site. What we'd like to do is to de-index that vanity URL. We have included a no-index meta tag to the vanity URL, however we noticed within 24 hours, actually less, the flagship site also went away as well. When we removed the noindex, both vanity and flagship sites came back. We noticed in Google Webmaster that the flagship site's robots.txt file was corrupt and was also in need of fixing, and we are in process of fixing that - Question: Is there a way to noindex vanity URL and NOT flagship site? Was it due to meta refresh redirect that the noindex moved out the flagship as well? Was it maybe due to my conducting a google fetch and then submitting the flagship home page that the site reappeared? The robots.txt is still not corrected, so we don't believe that's tied in here. To add to the additional complexity, the client is UNABLE to employ a 301 redirect, which was what I recommended initially. Anyone have any thoughts at all, MUCH appreciated!
Intermediate & Advanced SEO | | ACNINTERACTIVE0 -
Server Migration, Does it effect SEO?
About to go through a server migration. My intitial thought is that a change in servers shouldn't really change my rankings. But I've heard rumors... Can a server migration change rankings? Why?
Intermediate & Advanced SEO | | Thos0030 -
Outbound Links to Authority sites
Will outbound links to a related topic on an authority site help, hurt or be irrelevanent for SEO purposes. And if beneficially, should it be Nofollow?
Intermediate & Advanced SEO | | VictorVC0 -
Is it possible to Spoof Analytics to give false Unique Visitor Data for Site A to Site B
Hi, We are working as a middle man between our client (website A) and another website (website B) where, website B is going to host a section around websites A products etc. The deal is that Website A (our client) will pay Website B based on the number of unique visitors they send them. As the middle man we are in charge of monitoring the number of Unique visitors sent though and are going to do this by monitoring Website A's analytics account and checking the number of Unique visitors sent. The deal is worth quite a lot of money, and as the middle man we are responsible for making sure that no funny business goes on (IE false visitors etc). So to make sure we have things covered - What I would like to know is 1/. Is it actually possible to fool analytics into reporting falsely high unique visitors from Webpage A to Site B (And if so how could they do it). 2/. What could we do to spot any potential abuse (IE is there an easy way to spot that these are spoofed visitors). Many thanks in advance
Intermediate & Advanced SEO | | James770 -
Recovery during domain migration
On average, how long does it takes to recover 80% of the rankings if two high authority domains are combined without chaging any content? I totally understand that each domain is different and search engines can treat them differently but if all the steps are followed to the T what are the chances?
Intermediate & Advanced SEO | | ninjamarketer1