Migrating a WordPress site to a new host can be stressful, especially when every second of downtime impacts sales, the user experience, and even search rankings. For an ecommerce site, even a brief outage can mean lost revenue, frustrated customers, and a tarnished reputation. Mistakes like data loss, failed database transfers, or DNS issues can have lasting consequences.

We’re going to break down everything you need to know to create a flawless WordPress migration. From pre-migration prep to the step-by-step process of transferring databases and configuring DNS, we’ll cover it all, all while sharing tips to minimize downtime. We’ll also troubleshoot common hiccups and explain how picking the right WordPress-savvy host can set you up for success.

Understanding Downtime Risks

While website transfers are a critical process, it’s not without its challenges and downtime.

Here are the risks and common transfer issues:

• Data loss: Data loss is one of the biggest fears of anyone migrating a website from one host to another. The good news is this can be avoided with the right process.
• Damaged URLs: When you set up a website on a new hosting service, you often use a temporary domain. Sometimes your website links don’t update when you change your URL to the live domain name.
• DNS propagation delays: During a server transfer, DNS updates can take time to propagate globally, causing some users to access the old site while others reach the new one. This fragmentation can disrupt traffic and user sessions for up to 48 hours.
• Database sync issues: Improperly synced databases during the transfer can result in data loss or corruption, leading to missing content, broken functionality, or even full site outages.
• File compatibility conflicts: Server environment differences, such as mismatched PHP versions, can create file conflicts, causing pages to break or display incorrectly on the new server.
• Dropped SSL certificates: The URL issue can also impact your SSL certificate. An SSL certificate often automatically gets issued for the temporary domain. You must reissue it when changing the domain name to your live URL.
• 500 internal server error: The Internal Server Error is the WordPress equivalent of the Blue Screen of Death. The most common causes of this error are .htaccess file issues, PHP memory limits, and plugins.
• SEO issues: If search engines crawl your site during downtime or while DNS updates are still propagating, they may log errors, potentially leading to temporary drops in rankings or reduced visibility.

You can transfer a site manually, use a plugin, or use a white-glove service where your host handles it for you. These are the WordPress migration problems to watch for, regardless of your chosen method.

Preparing for Your Website Migration

Moving a WordPress site can be intimidating due to the sheer amount of busy work involved, even if, individually, the steps aren’t overly complex. But don’t worry, with a clear checklist, it can be a far less daunting experience.

Here’s our list of migration prep to help keep your data clean:

• Back up your site: Perform a full backup of your site, covering every file, database, and configuration. If anything goes wrong, this backup is your safety net.
• Audit and clean up your site: Remove unused plugins, themes, and media files to streamline the migration. Update everything – active plugins, themes, and WordPress core – because outdated software often causes issues in the new environment. If you have any unresolved errors or performance issues, fix them now so you’re not bringing problems along for the ride.
• Review existing 301 redirects: Depending on your website and hosting setup, you may have a mix of old and new 301 redirects, as well as redirects located in various places. Redirects could potentially live in a WordPress plugin, a host specific function, or your .htaccess file. You’ll want to consolidate all of the existing redirects and proof the list to make sure you don’t have any redirect chains or loops.
• Document your site setup: Make detailed notes about your current configuration. List all active plugins with their settings, note any theme customizations, and include any unique code or modifications you’ve added. This documentation can be invaluable for troubleshooting and recreating your setup on the new host if needed.
• Check compatibility with the new host: Ensure the new hosting environment meets all your site’s requirements. Check for PHP compatibility by reviewing your essential plugins and themes’ documentation to check whether they’ll work smoothly on the new server. Skipping this can lead to avoidable errors after migration.
• Plan your migration timing: Choose a low-traffic period for scheduling your site move to minimize performance issues. This ensures a smoother process with less impact on users and allows you to display an “under maintenance” message during the migration. By moving your site during periods of reduced traffic and implementing this message, you effectively mitigate the risk of leaving a negative impression on your audience.
• Gather all credentials: Have all the necessary login details for both the current and new hosting environments ready. This includes FTP access, database credentials, and any specific security tokens required. Not having credentials on hand can create unnecessary delays.

Now that we’ve covered your migration prep, we’ll move forward into the migration itself.

Automatic vs. Manual Migration

Choosing between automatic and manual migration directly impacts how much downtime you risk when moving a WordPress site.

Automatic migration tools are designed to simplify the process, cutting down on time and reducing the chances of errors. With built-in compatibility checks, these tools can handle complex site structures without needing constant oversight, and many offer automatic DNS updates and database optimization. This results in a faster, cleaner migration with minimal downtime risks.

Manual migration, on the other hand, gives you full control, but it’s a slower, more error-prone process. Exporting and importing files and databases by hand increases the risk of configuration mistakes, especially for large or complex sites. Each step requires attention to detail; a single misstep can lead to data corruption, broken pages, or mismatched settings, all of which extend downtime and complicate fixes.

For most users, automatic migration is a clear choice – it’s efficient, reliable, and largely takes the guesswork out of the transfer. It minimizes downtime while handling the technical details that can otherwise trip up the process.

Host-specific migration tools are built to handle site transfers specifically within a single hosting environment, setting them apart from generic migration plugins. Unlike one-size-fits-all plugins, these tools are tailored to the exact infrastructure of the hosting provider, making them faster, more reliable, and better suited to the platform’s particular setup.

These tools often include extra features and optimizations that can improve performance during migration and reduce the risk of compatibility issues. They also come with dedicated support from the hosting provider, so if anything goes wrong, you’re not left troubleshooting on your own.

Take the Pressable Automated Migration plugin, for example. It’s the simplest way to transfer your WordPress site to Pressable’s hosting platform. This tool automates much of the process, handling the heavy lifting with minimal user input, so you get a faster, smoother migration. And if you’re not confident with carrying out any of the steps, Pressable’s team can handle the migration for you.

Here’s all you need to use the migration plugin:

• An active Pressable account.
• A site set up on Pressable as the migration destination.
• WordPress admin access to the source site.
• Both the source and destination sites disconnected from Jetpack.

If you’re interested in learning more about how it works, head over to our detailed guide on using the Pressable Automated Migration Plugin!

Manually Migrating the Website

Preparation before a WordPress migration is the part where you dig in and double-check every little thing because one missed detail can make the whole site crumble like it’s built on nothing.

1.   Create a Backup of Your Current Site

Start by creating a full backup of your site, so you have a safe copy of all files and the database, ready to restore if anything goes wrong during migration. You can do this in a few clicks from your hosting control panel or you can use a plugin like Updraftplus.

If you need to take the DIY approach to backing up the site:

1. Access your site files via an SFTP client like FileZilla or your hosting control panel.
2. Navigate to your WordPress root directory (usually public_html or www) and download all files, especially the wp-content folder. This is where your site’s themes, plugins, and media live.
3. Back up your database by opening your database management tool (typically phpMyAdmin), selecting your WordPress database, and exporting it as an SQL file.
4. Save your complete backup in a secure location, such as a cloud service or external drive, for easy access during migration.

2.   Create and Test Your Staging Website

A staging environment is a safe, private clone of your live site where you test changes without breaking anything important. Most website hosts have a one-click staging tool, but if needed, you can set up a subdomain (like staging.yoursite.com), install WordPress, and import your files and database, or use a plugin like WP Staging.

3.   Migrate the Staging Website to the Live Domain

When you’re satisfied with your tests on the staging site, it’s time for the actual migration.

Here are the five steps needed to manually migrate the data:

1. Connect to your new hosting account via SFTP or through your hosting control panel.
2. In your SFTP client, navigate to the root directory of your new server (again, that should be public_html or www) and upload all files from your backup, focusing on the wp-content folder.
3. In the new hosting control panel, use the database management tool (again, usually phpMyAdmin) to create a new MySQL database, as this will store all of your WordPress content, settings, and user data.
4. Open phpMyAdmin, select your new database, and use the “Import” function to upload the SQL file you exported earlier; this action restores your site’s data to the new server.
5. Edit the wp-config.php file in your WordPress root directory to update the database name, username, password, and host to match the new database credentials, allowing WordPress to connect correctly.
6. Adjust any hardcoded URLs to match the new domain; if changed – use the search and replace function in phpMyAdmin or a plugin like Better Search Replace.
7. Check all pages for proper loading, plugin functionality, form submissions, and media display. Test your site on different devices and browsers to catch compatibility issues.

4.   Update Your DNS

The Domain Name System (DNS) is essentially the internet’s directory, translating your domain name (like example.com) into the specific server IP address where your site’s content is hosted.

When migrating, you’ll need to update DNS records (usually in your domain registrar’s control panel) to point to the new host’s IP address. DNS propagation, which is the time it takes for this change to spread across the internet, can take up to 48 hours, though it’s often faster.

The actual process for updating your DNS records varies depending on your registrar and host, so you’ll need to check with them for the exact steps.

Here’s the general process for DNS updates:

1. Log in to your domain registrar’s control panel and find the DNS settings for your domain.
2. Locate the A record, which controls the IP address directing traffic to your site.
3. Replace the current IP address in the A record with the new IP provided by your host.
4. Save the changes and allow time for DNS propagation to complete, redirecting traffic to the new server.

To minimize downtime, consider lowering the TTL (Time-to-Live) setting on your DNS records to a shorter interval, like 5 minutes, a few days before the migration.

Once updated, check site accessibility by clearing your browser cache or using tools like DNS Checker to confirm the new server’s IP is live. Remember, propagation takes time, so don’t panic if the change isn’t instant – if you’ve done everything right, your site should gradually become accessible from the new host worldwide.

Tips for Handling Large Databases and Complex Plugins

A “large” database, in this context, is anything over a few hundred MB, usually packed with years of posts, images, and plugin data – altogether, this can make it clunky to move.

Uploading or importing a big SQL file can time out or fail, so beginner-friendly tools like Duplicator and All-in-One WP Migration split the database and handle this heavy lifting without the fuss of command-line tools.

For testing plugins on the new host, activate them one by one and click through their core functions – catch those that throw errors or slow down your site early.

When tackling a huge migration, break it into steps: start with files, test the core site, add plugins, and only then bring in the database. A methodical approach makes spotting issues easier and keeps things from turning into an all-or-nothing disaster.

Advanced Techniques for WordPress Migrations

To keep your WordPress site operational during migration, you’ll need strategies that go beyond the basics.

Here’s how to set up a migration that minimizes downtime:

• Set up a staging environment that mirrors production: Build a staging site that closely matches your live site in both configuration and content so you can test the migration without user impact. For sites with dynamic content (like comments, form submissions, or ecommerce transactions), implement a strategy for real-time sync during migration. Solutions like database replication tools or temporary databases can help keep content consistent.
• Implement a sophisticated maintenance mode: Set up a selective maintenance mode that allows restricted access for key users or roles (like admins or test users) while displaying a migration status to general users. This transparency reassures visitors, and selective access lets you monitor the live state closely as the migration progresses.
• Use advanced caching mechanisms: To reduce server strain, especially on larger sites, set up object caching (like Redis or Memcached) and full-page caching. These techniques lessen the load on your database by storing frequently accessed data in memory, allowing most user requests to bypass the database. During migration, this can significantly reduce load times and prevent service interruptions on the original server.
• Consider database sharding for large-scale migrations: For sites with very large databases, sharding divides the database into smaller parts across multiple servers. This reduces database size on each server, making data transfers faster and helping avoid timeout errors. Sharding also distributes the workload so no single server becomes a bottleneck during the migration.
• Leverage containerization for consistent environments: Using containers, such as Docker, creates an isolated, consistent environment for your site, making it easier to replicate the setup on the new host and roll back if needed. Containers encapsulate the application and its dependencies, giving you precise control over server configuration and reducing the risk of compatibility issues.
• Implement a CDN with origin shield: Origin shield on a CDN creates a buffer layer between users and your source server. This can reduce the load on your origin server during migration by caching content and serving it from multiple edge locations, minimizing the impact of migration on user experience and server load.

Let Us Help Create a Smooth and Uninterrupted WordPress Site Transfer

Pressable makes WordPress migrations painless and uninterrupted. With our free migration service you won’t have to worry about downtime or digging into technical details.

Our team of WordPress experts handles every part of the migration, from file transfers to database syncs, so your site stays accessible throughout the process. And with our 100% uptime guarantee, your users won’t experience any change in service, even during DNS and domain updates.

Our infrastructure is purpose-built for WordPress, designed to keep transitions smooth and performance rock-solid. If your business can’t afford downtime, Pressable offers a smarter alternative to manual migrations or generic hosts.

Explore Pressable’s pricing, choose a plan that fits, and see how we can help make your migration a success.