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Free Plugin by TMM Technology v1.3.10

Cache Warmer

Visits website pages to warm (create) the cache if you have any caching solutions configured.

Cache Warmer

The facts

Rating
4.8★ from 19
Active installs
1k+
Price
Free
Last updated
2 Jul 2026
Added
Dec 2022
Tested up to
WP 7.0.0
Requires PHP
7.4
Downloads
23,077

Our analysis

AI-assisted

Cache Warmer is a WordPress plugin designed to create and maintain cache for websites with existing caching solutions. It automates the process of visiting website pages to warm the cache, which can enhance performance by ensuring that frequently accessed pages are readily available.

The plugin allows you to configure various settings, such as entry points for cache warming, asset types to load, and custom parameters. It also provides features like scheduling automatic warming intervals and excluding specific pages from the process. This plugin is suitable for website owners looking to improve their site's speed and performance through effective cache management.

Best for: Website owners who want to enhance performance through cache management.

What it does well

  • Free to use from the WordPress.org directory
  • Configurable cache warming entry points and depth
  • Supports custom URL parameters and user agents
  • Includes a dashboard graph for load time analysis
  • Cleans up Action Scheduler logs automatically

Where it falls short

  • Limited information on external service integration
  • Requires specific PHP extensions

Verdict

Cache Warmer offers useful features for automating cache management. It is a practical tool for those looking to improve site speed and performance.

From the developer

TMM Technology's own description of Cache Warmer, lightly tidied.

Visits website pages to warm (create) the cache if you have any caching solutions configured.

Settings

  • Configure cache warming entry points and the depth of the warming;
  • Add all public site posts as entry points;
  • Add entry point sites sitemaps as entry points;
  • Select which types of assets to load, with 4 checkboxes: scripts, styles, images, fonts;
  • Set custom URL params (?foo=bar);
  • Set custom user agent;
  • Set custom request headers;
  • Set custom cookies;
  • Set connection timeout;
  • Set speed limit (pages to visit per minute);
  • Autorun Interval: to run the warming each N minutes;
  • Exclude pages (by substring or regex);
  • Rewrite URLs to HTTPS;
  • Visit pages second time without custom URL params (if they are set);
  • Warm-up posts (on their publication and edit (Can be seen in Logs -> Triggered)):
    • Set custom posts warming interval.

    Additional

    • Adds a graph to your dashboard with page load time before and after the warming (2 lines) per day.
    • Cleans up Action Scheduler log after itself (older than 30 days for failed actions, and older than 2 days for completed actions).

    External services

    • Connect to paid service for warming from external global servers.

    Run from code

    • Start: \Cache_Warmer\AJAX::start_warm_up( false );
    • Stop: \Cache_Warmer\AJAX::stop_warm_up( false );

    Run from WP CLI

    • Start: wp cache-warmer start
    • Stop: wp cache-warmer stop

    Required PHP extensions

    • json
    • simplexml (optional)

    Bug reports / Questions / Suggestions

    wp@tmm.ventures

    Read the full description on the official page →

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