1. Optimize the database with the WP-Optimize plugin
WP-Optimize is a very popular WordPress plugin that helps you automate and optimize database operations, includingDeletion of useless data,Compressed imagesrespond in singingCache Optimization. Here are the steps to use the WP-Optimize plugin:
Step 1: Install WP-Optimize Plugin
- Log in to your WordPress dashboard and go to the Plugins menu.
- Click "Add New Plugin" and type "WP-Optimize" in the search box.
- Install and activate the plugin.
![图片[1]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420114758811-image.png)
Step 2: Optimize the Database with WP-Optimize
- After installing and activating the plugin, go to the "WP-Optimize" menu in the dashboard.
- Click on the "Database" tab and select what you want to optimize, for example:
- Delete automatic drafts and deleted posts
- Clean up spam comments and drafts
- Remove redundant database entries
- Click the "Run Optimization" button to start the cleanup, and select "
Run all selected optimizations " to optimize the database.
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Step 3: Remove unnecessary database tables
WP-Optimize also provides the ability to delete database tables that are no longer in use. Follow the steps below:
- Go to the WP-Optimize menu and click "comprehensive database".
- Select "a meter (measuring sth)" tab to view and select those tables that are no longer in use.
- Click "
removing " button removes these tables, freeing up database space.
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Step 4: Setting up automatic optimization tasks
WP-Optimize allows you to set up automatic cleanup tasks:
- Go to the WP-Optimize menu and click "comprehensive database".
- Configure the frequency of automatic cleanup and optimization (e.g., weekly or monthly).
- Save the settings for easy optimization on a regular basis.
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Step 5: Optimize your website with other features
WP-Optimize optimizes not only the database, but also images, cache and code:
- Image Optimization: Compresses and optimizes JPG, PNG, and WebP formatof the image to reduce the loading time of the image.
![图片[5]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115108261-image.png)
- Cache Management: Enabling caching speeds up page loading and reduces server load by caching pages already generated on the server.
![图片[6]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115058159-image.png)
- Compression code: WP-Optimize can be compressed
HTML,CSSrespond in singingJavaScriptfile to reduce the file size when the page loads and increase the loading speed.
![图片[7]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115044767-image.png)
2. Optimizing the database with phpMyAdmin
If you prefer to do it manually, you can also optimize the database via phpMyAdmin. Here are the steps to optimize your database through phpMyAdmin:
Step 1: Backup Database
Before you do anything, first make sure you've
Step 2: Enter phpMyAdmin
- Visit your hosting admin panel (e.g. cPanel), find and go to phpMyAdmin.
- Select the WordPress database you want to optimize.
![图片[8]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115222831-image.png)
Step 3: Select the table to optimize
- In phpMyAdmin, select the file you want to
optimized table . You can select all the tables at once, or select them one by one for optimization. - If you select all tables, you may encounter errors during optimization, and it is recommended that theoptimize one by oneEach table.
![图片[9]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115316153-image.png)
Step 4: Optimization Table
- On the phpMyAdmin page, check one or more tables.
- From the Options menu at the bottom of the page, select Optimize Table.
![图片[10]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115358802-image.png)
- phpMyAdmin will start optimizing the selected table. During the optimization process, the table will be cleared of fragments and redundant data, and the size of the table may be reduced.
Step 5: Check Optimization Results
After the optimization is complete, you can check the table size again. If there are fragments or unused rows in the table, the table size will decrease. If the table has been optimized, the size will not change.
![图片[11]-如何优化 WordPress 数据库以提升网站性能](https://www.361sale.com/wp-content/uploads/2025/04/20250420115439360-image.png)
3. Other optimization recommendations
In addition to using the WP-Optimize plugin and phpMyAdmin to optimize your database, you can take the following steps to further improve database performance:
- periodicClean up spam comments: Spam comments can waste your database space and affect site performance. Regularly cleaning up comments keeps your database tidy.
- Delete outdated posts and drafts: Many WordPress users will be
outline in which unpublished content is kept, and over time these drafts take up database space. - Optimizing database table indexes: Ensuring that database tables are indexed properly can help speed up queries.
By doing so, regular optimization of your WordPress database can effectively improve your website's performance, reduce load times, and improve the user experience.
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