Descripción
Every cache purge leaves your pages «cold»: the first visitor after a purge pays the full origin render time. CacheBoost Warmer closes that gap. Whenever a purge or invalidation occurs in WordPress, it tells the CacheBoost API to re-warm the affected pages, so your cache stays hot and every visitor hits a fast, cached response.
Features:
- Smart warming — resolves purged post/term URLs and triggers a targeted warm (only the affected pages).
- Full warming — triggers a full site warming on global events (theme switch, plugin upgrade, full cache purge).
- Deduplication — multiple purge events within the same HTTP request produce a single API call.
- Non-blocking — uses
wp_remote_post()withblocking => false; never delays a WordPress request. - WooCommerce — warms product and category pages on save; optional stock-change warming.
- Cache plugin integrations — WP Rocket, W3 Total Cache, LiteSpeed Cache, WP Super Cache.
- Multisite — each sub-site has its own settings and API key.
Configuration
Step 1 — Get your API key
- Log in to app.cache-boost.com.
- Go to your profile and click New API key.
- Select the scopes:
sites:read,sites:write,boosts:read,boosts:write,runs:read. - Copy the generated key (format
cb_live_…).
Step 2 — Configure the plugin
Go to the CacheBoost menu:
- Enable — master on/off switch.
- API Key — paste your
cb_live_...key. - Warming triggers — Smart (targeted URLs) and/or Full (entire site), each can be toggled independently.
- Stock Warming — (WooCommerce only) warm product pages after stock changes.
- Test Connection — validate your API key without leaving the admin. If your domain is not yet validated in CacheBoost, the plugin validates it automatically (requires the
sites:writescope).
Cache plugin support
WP Rocket, W3 Total Cache, LiteSpeed Cache, WP Super Cache
External Services
This plugin sends data to the CacheBoost API (https://api.cache-boost.com) to trigger cache warming jobs after a purge event. Data transmitted includes the site URL, the list of page URLs to warm and a timestamp. No personal user data is sent.
Requests are only made when:
– The plugin is enabled in the CacheBoost settings
– A valid API key (format: cb_live_…) has been configured
CacheBoost Terms of Service: https://www.cache-boost.com/terms
Capturas
Instalación
- Upload the
cacheboost-warmerfolder towp-content/plugins/. - Activate the plugin via Plugins Installed Plugins.
- Go to the CacheBoost menu in the admin sidebar and enter your API key.
FAQ
-
Does this plugin slow down my WordPress site?
-
No. Warming notifications are fire-and-forget (
blocking => false) and never delay a request. The dashboard widget and history page fetch stats from the API; widget results are cached for a couple of minutes. -
Does it work on multisite?
-
Yes, but do not network-activate. Each sub-site should have its own settings and API key.
-
What is sent to the CacheBoost API?
-
Only the site URL, the list of page URLs to warm (Smart mode), and a timestamp. No credentials and no personal data are ever transmitted.
-
What happens if my API key is invalid or the API is unreachable?
-
Nothing breaks on the front end. Because notifications are non-blocking, a failed or rejected request is logged silently and your WordPress pages keep serving as usual. Use Test Connection in the admin to validate the key.
-
Does CacheBoost work with my CDN?
-
CacheBoost works with any CDN that serves content via HTTP — Cloudflare, Fastly, BunnyCDN, KeyCDN, and more. If your CDN caches HTTP responses, CacheBoost can warm it.
-
Does CacheBoost work without a CDN?
-
Absolutely. CacheBoost works with any caching layer — not just CDNs. If your site uses Varnish, Redis, a file cache, a database cache, or any HTTP-based caching system, CacheBoost can warm it. As long as your pages are served faster on the second request, CacheBoost is useful.
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Will the warming requests affect my server load?
-
Warming requests are sent at a controlled rate to avoid overloading your origin server. You can configure the concurrency and request rate per boost from your CacheBoost dashboard.
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What if my site has thousands of URLs?
-
No problem. On a full warm, CacheBoost reads your sitemap (including multi-level and sitemap index files) with no limit on the number of URLs. Every page gets warmed, regardless of the size of your site.
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Is my data safe?
-
CacheBoost only sends HTTP requests to your public URLs — the same requests any visitor would make. No credentials and no private data are ever accessed.
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Colaboradores y desarrolladores
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Registro de cambios
1.0.2
- Domain ownership is now validated automatically when saving a new API key or clicking Test Connection, without uploading a file or editing the theme. Requires the
sites:writeAPI scope. - Settings page warns when the domain is not validated, with a link to the manual validation methods.
1.0.1
- Improvement: clearer admin notices on Test Connection failures.
1.0.0
- Initial release.