Adds the version number of attachments to their URL.
As of April 2026, Attachment URL Version is a WordPress cache plugin with 0 active installations and a 0/5 rating0. It has been downloaded 1.5K+ times in total. Requires WordPress 4.6+ and PHP 7.4+. Available on WordPress.org since 2021. Last updated 3 years ago — may have compatibility concerns. Top alternative: WP-Optimize – Cache, Compress images….
By default, attachments do not have a version query parameter, like, for example JavaScript files have. This plugins adds version numbers to the query strings of attachments.
Version numbers in query strings are useful for caching. If an attachment changes, its version number and, therefore, its URL changes. This allows for the attachment to be cached for an extended period of time or indefintely, for example, with the directive “immutable” of the Cache-Control header.
| WordPress | 4.6+ requiredTested up to 6.1.10 |
| PHP | 7.4+ required |
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