Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to HarborCache – Object Cache with Redis
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Redis Object Cachev3.0.0
A persistent object cache backend powered by Redis®¹. Supports Predis, PhpRedis, Relay, replication, sentinels, clustering and WP-CLI.
PigCachev1.0.29
Redis object-cache drop-in with optional SQL, HTML page, and fragment caching.
Flexa Cachev1.3.2
Page cache, Redis object cache, and front-end optimization: static HTML before WordPress boots plus a persistent object cache, zero configuration.
Object cache management for WordPress sites using Redis as a supported cache backend. Enable, disable, monitor, and control cache exclusions.
Jabali Cachev1.1.0
Persistent Redis object cache for WordPress. Zero-config on the Jabali panel, works without the phpredis extension, and always fails safe.
Detect PHP error spikes, recurring patterns, request impact and source-version changes with grouped local diagnostics.
Shows why WordPress loads slowly: autoload size with the plugin responsible, database bloat, and the state of object cache and OPcache.
Cache Warmerv1.4.10
Visits website pages to warm (create) the cache if you have any caching solutions configured.
SnapCachev1.2.1
A high-performance persistent object cache powered by Memcached.