Donncha O’Caoimh, one of WordPress’ lead developers spent the last few weeks working on a brand new plugin called WP Super Cache which is, without a doubt, the biggest advance in WordPress performance in years. (Please Digg it fast!)

Donncha has not only improved the existing ubiquitous WP-Cache system for users that are logged in (bug fixes, added plugin capabilities, etc), he’s literally invented a new methodology for static caching of documents for visitors which renders at least a 2-3X performance improvement over WP-Cache.
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