- Transients are persistent and write to the wp_options. The object cache persists only for the particular page load.
- Transients are stored in the WordPress database. The object cache is stored on the server where the WordPress install is located.
- Transients are available for the duration of a user session and apply to all page components. The object cache is available only for scripts.
- Transients persist only for the particular page load. The object cache is persistent and writes to the wp_options table.
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