Website Migration Checklist
Migrating your website is a daunting task, and it’s important to ensure that your SEO remains intact throughout the process.
A successful SEO migration requires careful planning and execution to prevent traffic drops and ensure a smooth transition. This SEO site migration checklist can help you keep your SEO intact and optimise the migration for minimal disruption.
If you want an experienced partner to migrate your website, our SEO migration service is available. We have over a decade of technical SEO experience ready to help your brand.
Pre-Migration Phase
Planning and Objectives
Before you jump into the site migration, it’s important to define clear, actionable goals.
- Are you migrating to a new platform, rebranding, or improving site performance? Having specific goals helps you stay focused throughout the process.
- Create a comprehensive project timeline with milestones to help ensure everything stays on track. A well-planned timeline enables you to allocate resources effectively while avoiding any unnecessary delays.
- As part of your planning, it’s also essential to benchmark your current KPIs, such as traffic, rankings, and conv, so that you can measure the success of your migration.
- Ensure that you’ve assigned the project to a dedicated team, including an SEO expert, developers, designers, and quality assurance specialists.
Site Audits and Backups
If you want to have a successful site migration process, a site audit is one of the first tasks you should complete during the pre-migration phase.
- Run a full crawl of your existing site using tools like Screaming Frog or Semrush to catalogue all URLs. This gives you a solid understanding of the site’s current structure and content.
- Identify and document the high-performing pages and URLs driving the most traffic—these are critical to preserving during the migration.
- Back up your entire site, including all databases and files, to safeguard your data.
Technical Preparations
One of the first things you need to do when it comes to technical preparations is set up a staging environment.
This allows you to test the migration without affecting the live site. During testing, be sure to block search engines from indexing the staging site and map old URLs to new ones.
You’ll need a solid 301 redirect plan to ensure search engines and visitors are seamlessly directed to the right pages. Avoid creating redirect chains, as they can slow down your site and impact SEO.
Document your current site analytics and benchmarks, including traffic, rankings, and load times, to compare performance post-migration.
Content and Structure Review
Conduct a thorough review of your content and site structure.
Audit your content to identify thin or duplicate pages, which can negatively affect SEO.
Optimise to ensure the content is valuable and comprehensive. Also, verify that all canonical tags, meta tags, H1s, and structured data are correctly implemented.
These elements help search engines understand your content’s hierarchy and relevance.
If your site’s structure, such as URL structure or page layout, changes, update your internal linking to reflect these modifications.
Communication Plan
A smooth website migration process depends on strong, clear communication.
Notify your internal teams, from developers to marketing staff, about the migration schedule and their responsibilities.
It’s also important to inform external stakeholders, such as customers or users, about any potential downtime or disruptions.
Migration Phase
Execution
The execution of the migration should be carefully planned to minimise disruption.
Perform the migration during off-peak hours when user traffic is typically lower.
This will reduce the risk of negatively impacting the user experience. Once the migration process is underway, you’ll implement your 301 redirect plan.
A 301 redirect ensures SEO value is maintained by redirecting old URLs to their new counterparts.
Verify that these redirects are functioning properly to avoid any broken links or missed SEO opportunities.
Live Testing
After the migration, live testing is crucial to ensure everything functions as expected.
Start by checking core site functionalities like forms, shopping carts, and navigation.
These elements are essential for a smooth user experience and need to be tested thoroughly. In addition to these features, verify that your site is responsive across different devices.
As part of the testing, confirm that all SEO elements—such as meta tags, structured data, robots.txt files, and sitemaps—are intact and properly configured.
DNS and Hosting Changes
If you’re changing hosting providers, updating your DNS settings is a critical step.
Adjust your DNS records to point to the new hosting provider, and remember to keep the Time-to-Live (TTL) value low.
A low TTL ensures faster DNS propagation, helping your site go live with minimal downtime.
Verification
Once the migration is live, it’s time to verify that everything is functioning as expected.
- Start by submitting the new XML sitemaps to Google Search Console and Bing Webmaster Tools. This will prompt search engines to crawl and index your new site more efficiently.
- Run site crawlers to compare the new site with the old one, ensuring that all URLs are correctly mapped without errors.
- Note changes in your analytics tools to track the migration’s impact on traffic, rankings, and other key metrics.
Post-Migration Phase
Performance Monitoring
Once the migration is finished, the next step is to closely monitor your site’s performance.
Use tools like Google Search Console and GA4 to monitor organic traffic, rankings, and crawl errors.
Check for 404 errors and verify that any removed pages are either properly redirected or set to a 410 status (indicating that the page is permanently gone).
This will prevent broken links and help preserve your SEO efforts.
Content Updates
Now that the site is live, you can revise and improve the migrated content.
This is an opportunity to update outdated content, optimise for relevant keywords, and enhance the user experience.
Look for external links that still point to the old domain. Update these links to point to the new domain to avoid any loss of referral traffic.
Regular content updates will also help improve your rankings and ensure your website continues to meet SEO best practices.
SEO and Technical Audits
Run a comprehensive technical SEO audit to identify and fix any issues that may have come up during the migration.
Focus on areas like the ability of search engine crawlers to access and understand pages, duplicate content, and internal linking.
Verify the integrity of your metadata and structured data to ensure that everything is correctly set up for search engines.
Check that all important tags (Google Analytics, Facebook Pixel, etc.) are working properly to maintain tracking accuracy.
Continuous Improvement
The post-migration phase isn’t just about checking for issues—it’s also about continuous improvement.
Track key metrics, such as organic traffic and SEO performance, rankings, and engagement, and compare them to the benchmarks you set during the pre-migration phase.
Identify any pages loading slowly and optimise them to improve user experience while reducing bounce rates.
Rollback Contingency
Despite the best planning, a website migration doesn’t always go as expected. Therefore, it’s essential to have a rollback plan in place in case you encounter critical issues.
Make sure that backups of your old site are easily accessible for quick restoration.
How Does a Website Migration Affect SEO?
Website migrations are a critical phase in any site’s life cycle, whether you’re changing platforms, restructuring your site, or rebranding.
While a migration can offer many benefits—such as improved site performance, a better user experience, and better design—it can also significantly impact your SEO if not handled carefully.
Potential Risks to SEO During Migration
One of the concerns during a website migration is the potential loss of organic traffic.
Search engines need enough time to crawl and index the new site, which can temporarily disrupt traffic flow.
Depending on how the migration is managed, this dip in traffic can last anywhere from a few days to several weeks.
Another common issue is ranking fluctuations.
The URL structure might change, the content might get missed or misconfigured, and the site might experience crawl errors that prevent search engines from indexing it properly.
This can temporarily lower rankings, especially if 301 redirects aren’t set up correctly or if Google finds duplicate content on the new site.
How a Migration Can Benefit SEO
Migrating to a more efficient platform, improving site speed, optimising for mobile, or creating a new site structure can enhance user experience and offer a foundation for better search engine rankings.
In some cases, migrations offer the opportunity to clean up technical SEO issues, remove duplicate content, and optimise site structure for better crawlability over your existing website.
The correct implementation of 301 redirects ensures that link equity is passed from old pages to new ones, keeping your valuable backlinks and minimising any negative impact on SEO.
Key SEO Factors to Monitor During Migration
301 Redirects help visitors and search engines go to the correct new URLs. Improperly configured redirects can cause 404 errors or create redirect chains that negatively impact SEO.
Ensure that all key content is properly transferred to the new site.
Missing content can harm rankings, so make sure everything from blog posts to meta tags carries over accurately.
Verify that the new site’s technical SEO elements—like robots.txt, sitemaps, and internal linking—are set up correctly. Missing or incorrect configurations can lead to crawlability issues and indexing problems.
During the migration, tools like Google Search Console are used to track crawl errors, monitor traffic, and submit sitemaps for the new site. They also ensure that analytics tags and tracking codes are transferred correctly.
Minimising SEO Impact During Migration
Careful planning is essential to minimise SEO disruptions.
Ensure that you have a detailed migration checklist and that all technical aspects are thoroughly tested before your new site goes live.
This includes setting up a staging environment to preview the new site and test for errors, configuring 301 redirects, and validating all technical elements before making the final switch.
Keep a close eye on your site’s performance post-migration.
If rankings or organic traffic drop, investigate quickly to identify any issues, such as broken redirects or missing content, and resolve them as soon as possible.
Want a Professional Migration Team?
Migrating your website is a complex process that requires precision, expertise, and careful planning. If you’d rather us implement our website SEO migration checklist, reach out.
With our experienced team at Prosperity Media, we ensure your SEO stays intact, traffic loss is minimised, and your site transition is as smooth as possible.
Let us manage the heavy lifting while you focus on growing your business.
Matthew Barby, Senior Director of Acquisition at HubSpot
"Whenever I have companies ask me if there are any great agencies in Australia, I always point them to Prosperity Media. James and team are always pushing out incredibly impactful work, and their depth of knowledge around SEO and content marketing is up there with the best in the world."







