How to Migrate Your Website to Cloud Without Losing Data

Q: How long does it take to migrate a website to the cloud?

The technical part — file transfer, database import, and verification — takes between 1 and 4 hours for most websites. DNS propagation adds between 15 minutes and 48 hours, though 90% of cases resolve within 4 hours.

Q: Can I migrate to the cloud with zero downtime?

Yes, if you follow the right order: set up the new server, copy the data, verify with the provisional IP, and only then change DNS. Throughout this process the old site keeps running. The only risk window is during the first minutes of DNS propagation, when some resolvers still point to the old server and others to the new one.

Q: What happens to my email if I change hosting providers?

Email and web hosting are separate services but are often bundled with the same provider. Changing DNS can also affect your MX records (which control email routing). Download all your emails via IMAP before migrating and configure the MX records in the new DNS zone before the cutover to minimize any interruption.

Q: Do I need a developer to migrate my site to the cloud?

For standard WordPress or Joomla sites, a user with basic technical knowledge can complete the migration by following a step-by-step guide. For custom applications, complex databases, or e-commerce stores with active orders, having technical support available is recommended to avoid configuration errors that could cost you sales.

To migrate your website to the cloud without losing data, the key is the right order of operations: full backup first, then copy to the new server, verify using a provisional IP, and only after everything works — switch the DNS.

Follow the steps in this guide and the process shouldn't take more than a few hours, even if you've never done a migration before.

Why Move to the Cloud (and What to Expect)

Cloud hosting offers higher availability, automatic scalability, and — in most cases — better performance than traditional shared hosting. Entry-level pricing is now comparable to a premium shared plan, making migration a financially sound decision for most websites.

What you should know before you start:

A migration done correctly requires zero downtime.
Files and the database are separate; both must be migrated.
DNS propagation takes between 15 minutes and 48 hours — plan your migration during low-traffic hours.

Step 1 — Take a Full Backup Before Touching Anything

This is the most important rule of any migration: don't move anything without a tested backup.

Your backup must include:

Site files: the entire root directory of your website (public_html or equivalent), including hidden files like .htaccess.
Database: a complete SQL dump (mysqldump or export from phpMyAdmin). Verify the generated file is not empty and contains the expected tables.
Email accounts: if your current host includes mailboxes and you want to keep them, download them via IMAP before migrating.
Special configurations: custom .htaccess rules, cron jobs, custom SSL certificates.

Store the backup in at least two places: your local computer and external storage (Google Drive, Dropbox, S3).

Step 2 — Set Up the New Cloud Environment

Before copying a single file, the destination server must be ready:

Create the hosting account with the new cloud provider. If using cPanel, Plesk, or another panel, complete the initial setup wizard.
Create the database on the new server: name, username, and password. Note these down — you'll need them to update your CMS configuration.
Check the PHP version: make sure the new server runs the same version (or a compatible one) as your current host. Version mismatches are the most common cause of post-migration errors.
Install required extensions: if your site uses specific PHP modules (intl, imagick, redis), confirm they're available in the new plan.

Step 3 — Transfer Files and Import the Database

With the environment ready, you can copy the content:

File transfer

Use SFTP (more secure than plain FTP) with a client like FileZilla or Cyberduck. Connect to the new server with your panel credentials and upload all files to the correct root directory.

For large sites (over 1 GB), consider compressing everything into a ZIP or TAR first, uploading the compressed file, and extracting it via the file manager or SSH. This saves significant time on slower connections.

Database import

Open phpMyAdmin on the new server or use your preferred MySQL client.
Select the database you created in step 2.
Import the SQL backup file. If it's over 50 MB, use the command line: mysql -u user -p db_name < backup.sql
Verify that all tables are present and the records make sense (check at least the users or products table).

Update your CMS configuration

If you use WordPress, edit wp-config.php with the new database name, username, and password. In Joomla the file is configuration.php; in Drupal, settings.php. Also verify that the site's base URL is correct.

Step 4 — Verify the Site Using the Provisional IP

Before changing DNS, confirm everything works by temporarily pointing to the new server's IP. You have two options:

Local hosts file: add a line to /etc/hosts (Linux/Mac) or C:\Windows\System32\drivers\etc\hosts (Windows) in the format NEW_SERVER_IP yourdomain.com. Your browser will resolve the domain to the new server without affecting anyone else.
Provider's staging URL: many providers assign a temporary URL (e.g., yourusername.myprovider.com/yourdomain) so you can review the site before cutover.

Check these points before switching DNS:

The homepage loads correctly.
Images and assets display (no broken paths).
The admin login works.
An article, product, or inner page opens without errors.
Contact forms or checkout flows respond correctly.

If everything looks good, the site is ready for cutover. If you find errors, fix them now while DNS still points to the old server.

For projects with more complex workflows, elenlace.com provides assisted migrations where a technician oversees every stage of the process.

Step 5 — Switch DNS and Close the Migration

Once the site is verified, update the DNS records at your domain registrar:

Log in to your registrar's panel (GoDaddy, Namecheap, Hover, etc.).
Change the A record for the root domain (and the www subdomain) to the new cloud server's IP. Alternatively, change the nameservers if the new provider manages your full DNS zone.
Lower the TTL to 300 seconds before making the change to speed up propagation (remember to restore it afterward).
Save the changes and wait for propagation. Use tools like whatsmydns.net to monitor progress across different regions.

Keep the old server active for at least 48–72 hours after propagation before canceling it, in case any slow resolvers still point there.

Finally, activate the SSL certificate on the new server. If you use Let's Encrypt, the panel handles it in one click. Confirm https:// works and that HTTP → HTTPS redirects are active. Find additional HTTPS configuration help in our cloud hosting guides.

Key takeaways

A tested backup before you start is the single most important step in any migration.
Preparing the cloud environment first (database, PHP version, extensions) prevents surprises during import.
Verifying the site with a provisional IP or staging URL before changing DNS eliminates the risk of downtime.
The DNS switch is the only visitor-visible moment — schedule it during low-traffic hours.
Keep the old server live for 48–72 hours after migration as a safety net.

Would you rather have someone handle it for you? The team at elenlace.com provides cloud migrations with a zero-data-loss guarantee, from personal blogs to e-commerce stores with thousands of products.

FAQ

How long does it take to migrate a website to the cloud?

The technical part — file transfer, database import, and verification — takes between 1 and 4 hours for most websites. DNS propagation adds between 15 minutes and 48 hours, though 90% of cases resolve within 4 hours.

Can I migrate to the cloud with zero downtime?