Documentation
Cache Rocket documentation
Warm caches, Managed CDN, cloud optimization, and integrations.
Start with the quickstart if you are new, or jump to Managed CDN, image optimization, warmers, or CDN purge → rewarm. Every page is written to be read on its own, with plain-language explanations and worked examples.
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Getting started
What Cache Rocket does, the ideas behind it, and a guided first setup.
Introduction
What Cache Rocket is, the problem it solves, and how to find your way around these docs.
How it works
What actually happens during a warm run — discovery, the queue, the double fetch, and how Cache Rocket knows warming worked.
Quickstart
From empty account to a working, verified cache warmer with proof that it improved your load times.
Core concepts
The vocabulary the rest of the documentation assumes: warmers, entry URLs, depth, intervals, warmth, and workspaces.
Setup
Prove you own your domains, create API keys, and connect WordPress.
Hostname verification
Prove you control a domain using a DNS TXT record or an HTTPS file, so you can warm it.
API keys
Generate the public and secret key pair used by the WordPress plugin, deploy webhooks, and the public API.
WordPress plugin
Install the official plugin, connect it to your account, and manage warmers from wp-admin.
Warming
Create and tune the warmers that keep your pages and APIs hot.
Cache warmers
Create, run, and manage the website warmers that crawl your pages and keep them cached.
Warmer settings
A field-by-field reference for every option on the cache warmer form, and when to change it.
API warmers
Keep REST and GraphQL endpoints hot, with real methods, headers, cookies, bodies, and config matrices.
Advanced warming
Schedule windows, multi-region warming, browser/SSR rendering, and mobile user agents.
Monitoring
Measure whether warming is working, and get told when it is not.
Optimization & CDN
Managed CDN delivery, cloud image optimization, Critical CSS, LQIP, and PageSpeed Insights.
Managed CDN
How Cache Rocket delivers cloud-optimized assets from assets.cacherocket.com.
Image optimization
Cloud WebP/AVIF conversion for WordPress uploads, delivered via Managed CDN.
Critical CSS
Generate above-the-fold CSS with a real browser and serve it from Managed CDN.
LQIP placeholders
Low-quality image placeholders for faster perceived loading.
PageSpeed Insights
Run mobile Lighthouse audits from the WordPress Media page.
Integrations
Bring your own CDN for purge → rewarm, and wire deploy pipelines.
Account & billing
Workspaces, roles, plan limits, and subscriptions.
Help
Fixes for common problems and a plain-English glossary.