As your WordPress site grows, media files (images, videos, PDFs) can consume significant server space. This slows down backups, eats into disk storage, and can even impact site speed. The solution is straightforward: move images and other static files to a cloud-based storage service like object storage.
Why Object Storage?
At HostingServer.com.tr, we often see a common scenario: when clients have hundreds of thousands of images on their WordPress sites, server resources become insufficient. Typical VDS storage uses fast but expensive SSD or NVMe drives. Object storage (like AWS S3, DigitalOcean Spaces, or Wasabi) is much cheaper per GB. For example, a 100 GB SSD VDS might cost the same as 500 GB of object storage. Plus, object storage automatically scales—you don’t need to manage capacity as your needs grow.
Performance also gets a big boost: files stored in object storage are typically delivered through a CDN. This means images load quickly from anywhere in the world. It also reduces server load because PHP no longer needs to handle static files. The result: faster page loads and better SEO.
Tools You’ll Need for the Migration
There are several methods. The most common one is the WP Offload Media (Delicious Brains) plugin. It’s a paid plugin but does the job professionally. Free alternatives include Cloudinary, Stateless Media, or Media Cloud. We usually recommend WP Offload Media to our clients—it’s easy to set up, supports most object storage providers, and can migrate not only new files but also your entire existing library.
Step-by-Step Migration
Let’s walk through an example using AWS S3. First, create an S3 bucket, set up an IAM user with the necessary permissions (s3:PutObject, s3:GetObject, s3:DeleteObject). Then, install the WP Offload Media plugin on your WordPress site and go to its settings. Enter your Access Key and Secret Key, select the bucket name and region. You’ll see an option like “Move all media files now”. That’s it—the plugin copies all existing images to S3 and updates the database URLs. For example, https://yoursite.com/wp-content/uploads/2025/01/photo.jpg becomes https://bucket.s3.amazonaws.com/wp-content/uploads/2025/01/photo.jpg.
One important note: by default, the plugin does not delete local files. You can choose to remove them by checking an option, but we recommend keeping them initially as a backup in case something goes wrong. After a week of smooth operation, you can safely delete them.
Things to Watch Out For
- URL Changes: After moving to object storage, all media URLs change. If your site has hardcoded old URLs (e.g., in CSS), you’ll need to update them too. WP Offload Media helps with this, but it’s a good idea to run a scan.
- Cache and CDN: Even though object storage often comes with its own CDN (like CloudFront), if you use a separate CDN, remember to update its settings.
- Security: You don’t have to make your bucket public; the plugin can generate signed URLs. But that’s more complex. Public buckets are sufficient for most sites.
- Test Performance: After migration, test your site’s speed with tools like GTmetrix or PageSpeed Insights. Make sure images are being served from object storage.
Alternative Strategies
Object storage isn’t always the only solution. For instance, some hosting providers offer managed WordPress services that already optimize storage. But if you manage your own server or want to scale, object storage is one of the best options.
Another alternative: move images to a service like Cloudflare Images or Imgix. These services also perform image optimization, but costs vary. In our own experience, migrating a WordPress site with 50,000 images to Wasabi (S3-compatible) with WP Offload Media cost less than $5 per month in storage. We saved 20 GB of server disk space and saw a 30% increase in site speed.
“Moving images to object storage is a game-changer, especially for media-heavy sites. It lets you use server resources for dynamic content while serving your static files cheaply and quickly.” – HostingServer.com.tr Team
Conclusion
Moving your WordPress media to object storage is not as complicated as it seems. With the right plugin and a few configuration steps, you can complete the process in under an hour. In the long run, you’ll save disk space, gain better performance, and enjoy scalability. Keep in mind that every system has different needs—if you’re migrating a large site, test it on a staging environment first. At HostingServer.com.tr, we always recommend taking backups and managing the process carefully.