
When considering WordPress site migration (server relocation)、Most search results recommend All‑in‑One WP Migration is。but、There is a capacity limit in the free version.、When a site has grown to a certain extent, there are many cases where errors occur midway through.。
Also、Although the "easy migration tool" provided by each rental server seems convenient at first glance,、
- Large number of files
- Large media capacity
- Plugin configuration is complicated
When conditions such as、Migration failure or data loss may occur。
There is also the option of manual FTP transfer.、In a WordPress environment that handles thousands to tens of thousands of files.、1Missing files can lead to fatal problems。From the viewpoint of reproducibility and safety、Not a recommended method。
Based on this background,、Site migration method with emphasis on stability and reproducibilityIt is effective as、backup plugin「UpdraftPlus」This is a method using。
What is UpdraftPlus? Why is it suitable for site migration?
Updraft Plus、Used worldwide as a backup plugin for WordPress.、A major feature is that backup and restoration can be completed on the same interface.。
Main features and benefits
Everything from backup to restore can be completed on the management screen.
Many backup plugins、Database operations and file placement must be performed manually during restoration.。
In UpdraftPlus、Restoration processing is performed only by operations on the management screen.、Problems due to environmental differences are less likely to occur.。
Backup can be saved to external storage
When backup data is saved on the same server、
- server failure
- hacking
- Contract cancellation
Due to events such as、There is a risk that the backup itself will be lost.。
UpdraftPlus can be linked with the following external storages:。
- Google Drive
- Dropbox
- Amazon S3 etc.
This results in、Ensure backup redundancy。
Flexible scheduling
The backup frequency is、
- every few hours
- every day
- weekly
Etc、Can be set according to site operation status。
Even the free version is practical enough
For normal site migration or backup purposes、Can be operated without problems without using the paid version。
Data content that UpdraftPlus backs up
Updraft Plus、To fully reproduce your WordPress site、The following data is to be backed up。
- Database (Articles、Fixed page、Setting information) (db)
- plugins
- themes
- Upload files (images/videos) (uploads)
- Other related files under wp-content (others)
- *Required plugins (mu-plugins)、may be created
Cases in which UpdraftPlus is effective
- If the site display is broken after updating
- Data deletion due to incorrect operation
- Malware infection/tampering
- Server relocation (site migration)
Server migration procedure using UpdraftPlus
Below is、This is a general procedure for migrating a WordPress site using UpdraftPlus.。
Step 1:Creating a backup on the old server
First、A "full copy" of your current sitecreate。
Open the UpdraftPlus settings screen
Log in to the WordPress admin screen (dashboard)、Select the following from the menu on the left。
- setting > UpdraftPlus Backup
Check that the tabs such as "Current Status", "Settings", and "Existing Backups" are lined up at the top of the screen.。
Run "Backup Now"
In the "Current Status" tab、big blue button"Back up now"Click。
Click to、A small settings window (pop-up) appears。Here below3Check one itemMake sure that it is included。
- Include database in backup(articles and setting data)
- Include all files in backup(image、theme、plugin)
- Send this backup to remote storage(*Only if you have set an external storage location such as Google Drive)
Once confirmed、bottom right"Back up now"Click the button again。
Check your progress
When the backup starts、A blue progress bar is displayed。
- It depends on the capacity of the site (number of images, etc.)、UsuallyA few minutes to 10 minutesCompleted with。
- "The backup was successful.、If the message “Completed” appears, it is successful.。
Confirm and download data (required for transfer)
After the backup is complete、Scroll down the screen a little"Existing backup"Check the item。The backup you just created is displayed with the date。
To save to your own computer for server migration、Do the following。
1. click all buttons In the "Backup data" column、Click the buttons below one by one。
- database (db)
- plugins
- themes
- uploads
- Others
- *Required plugins (mu-plugins)but、may be created

2. Save to computer Press the button to start preparation、If you wait a little bit"Download to your computer"A button will appear.。 do all this、自分のパソコンの分かりやすい場所に保存する。

3. プラグインや、アップロードファイルが大きな場合は、分割したファイルを作成してくれる。
💡 失敗しないためのポイント
- 「ダウンロード」を忘れずに: サーバー移転の場合、Data must be manually transferred to the new server、Downloading to PC is required。
- Do not change file name: The name of the downloaded file (zip format, etc.) is、It has a special name for UpdraftPlus to identify.。without changing the namekeep it as is。If it is unzipped when downloading、Keep the file in zip format。
- When you download a compressed file, it is automatically decompressed.、Files that are then recompressed may cause errors.。
To avoid such troubles,、Please change the settings of the browser you are using so that it does not automatically decompress when downloading.。
Disable automatic extraction、You can save the original compressed file as is.。
For specific settings for each browser,、Search with your browser name、please confirm。
Step 2:Preparing the new server side
- Installing WordPress on a new server
- Install and enable UpdraftPlus
There is no problem with WordPress in its initial state.。
Step 3:Restore backup
- Upload backup file
Select “Upload backup file” from the UpdraftPlus settings screen、Upload all backup files taken on the old server。


2. Performing a restore
Execute "Restore" on the backups displayed in the list.、
- database
- plugin
- theme
- upload
- Other
Select all and proceed。
Be sure to check the database restore option。to new siteURL replacement required。

After restoration is complete、A WordPress environment with the same configuration as the old site will be reproduced on the new server.。
summary
Site migration using UpdraftPlus、
- Not subject to capacity limitations
- No need for FTP manual work
- Highly reproducible
In that sense、High stability compared to other "easy migration" methods。
Even if you don't plan on migrating your site.、It is a backup plug-in that is highly worth introducing as a countermeasure against failures.。


