Saves you from asking « have you emptied your cache? ».

Forked and updated for todays WordPress and PHP from the original plugin by Paul Clark.

Features :

• Safe to leave running on live sites.
• Only refreshes browser cache for a file if it has been modified.
• Resolves Content Delivery Network (CDN) issues. No need to purge CDN cache.
• Multisite compatible.
• « Just works » — no configuration necessary.