Arb Speed
A complete caching & performance suite — a free alternative to WP Rocket and LiteSpeed Cache.
What is Arb Speed?
Arb Speed is a full performance suite that makes any WordPress site load faster without a paid subscription. It combines disk and Redis page caching, object caching, CSS/JS minification and combining, critical CSS, deferred and delayed JavaScript, lazy loading, WebP delivery, LCP preloading, browser-cache headers, safe database cleanup and CDN support (Cloudflare + QUIC.cloud) — plus an AI advisor that tells you exactly what to turn on.
Key features
- ✓Disk + Redis page caching and object caching
- ✓CSS/JS minify, combine, defer & delay JavaScript
- ✓Automatic Critical CSS + LCP image preload
- ✓Lazy loading + automatic WebP delivery
- ✓Safe one-click database cleanup
- ✓CDN integration (Cloudflare + QUIC.cloud) & LiteSpeed LSCache
- ✓AdSense-safe mode so ads keep earning
- ✓Built-in AI Advisor + Autopilot for the best settings
Why choose Arb Speed over WP Rocket & LiteSpeed Cache?
Premium WordPress plugins like WP Rocket & LiteSpeed Cache lock their best features behind expensive yearly subscriptions. Arb Speed gives you those same professional capabilities for free, with no feature gating and no per-site renewal fees. It is a genuine free alternative — install it, activate it and start using every feature today.
| Capability | Arb Speed | WP Rocket & LiteSpeed Cach... |
|---|---|---|
| Price | Free forever | Paid / subscription |
| Core features unlocked | All included | Premium-gated |
| Per-site renewal fee | None | Yearly |
| Licence | GPL (open) | Proprietary |
Requirements & compatibility
Arb Speed is licensed under the WordPress GPL and built to the official WordPress.org plugin guidelines. Minimum WordPress version: 5.5. Minimum PHP version: 7.2 (see the official PHP supported-versions list). These are the versions declared in the plugin's own header and tested at release — always keep WordPress and PHP updated for security.
Frequently asked questions
Is Arb Speed a free WP Rocket alternative?
Yes. It offers the core features people buy WP Rocket for — page caching, minification, critical CSS, lazy load, preloading and CDN — completely free.
Will it break my site or my ads?
It ships with safe defaults and an AdSense-safe mode. You enable optimizations gradually, and the AI Advisor recommends only what is safe for your setup.
Does it work without Redis?
Yes. Disk caching works everywhere; Redis object caching is optional and used automatically if your host provides it.
More free resources from Arb Digital
Beyond plugins, explore our library of 100+ free online tools, in-depth digital marketing guides, and done-for-you digital marketing services. Need help installing or configuring this plugin on your site? Get in touch with our team for a free consultation. For the metrics this plugin improves, see Google's own Core Web Vitals documentation.
