By TMM Technology

June 23, 2024

Cache Warmer Plugin

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.
Use object cache for tree storage, when it’s available.

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.

Required PHP extensions

json
simplexml (optional)

Bug reports / Questions / Suggestions

[email protected]

Screenshots

Changelog

1.3.0 2024-06-24

Enhancements

Speed up warmings (optimization).

Bugfixes

Fix stuck object cache bug.

1.2.5 2024-06-23

Bugfixes

Fix stuck object cache bug.

1.2.4 2024-06-23

Changes

Do not schedule notifications fetch action.

1.2.3 2024-06-05

Bugfixes

Fix Action Scheduler bug.

1.2.2 2024-05-26

Bugfixes

Fix Fatal Error with explode on Windows by using DIRECTORY_SEPARATOR constant.

1.2.1 2024-05-02

Enhancements

Use standard Action Scheduler interval.
Update WP-Plugins-Core.

1.2.0 2024-04-23

Bugfixes

Fix the unscheduled warming with empty data (which results in PHP Warnings).

1.1.9 2024-03-12

Bugfixes

Fix the “depth” setting.

1.1.8 2024-03-11

Bugfixes

Fix the sitemaps parsing (didn’t visit them at all previously).
Fix ID for “external warmer” setting fields.
Fix “speed limit” bug.

1.1.7 2024-02-28

Bugfixes

Fix settings import button color.
Fix a bug when the scheduling time is drifting.
Fix the wrong warming “Duration”.
Fix “speed limit” bug.

Enhancements

Warm sitemaps and posts first (with prio), and only then entry points.

1.1.6 2024-01-14

Bugfixes

Fix “Request: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty”.

1.1.5 2024-01-13

Enhancements

Update default User-Agent to the newer version of Chrome.
Increase URL params limit from 5 to 50.
Add a setting to specify custom request headers.
Add a setting to visit pages second time without custom cookies (when they are set).
Improve canonicals logic, to add a log icon with the canonical to the warm-up log; and if ‘skip pages with warmed canonical’ setting is off, then also warm the canonical page immediately.

Bugfixes

Fix table cells style (overflow: auto for all).
Logs in the site’s timezone.
Fix a bug when resetting settings does not change posts warming enqueue.
Fix user-agent table width when no values are set.

1.1.4 2023-09-23

Bugfixes

Fix canonicals logic.
Do not untrailingslash all URLs, but keep them as they are.
Allow to specify “localhost” as entry points.
Fix URL column style (overflow: auto).

1.1.2 2023-09-16

Enhancements

Add an option to specify several User-Agents.
Dynamically escape regex characters when enabling regex. And de-escape on uncheck.
For headers-based requests classification, do not show 0, but instead show nothing; so that people could not misinterpret it as another request.
Add a setting to skip the pages with the warmed canonical.
Add optional “Comment” column to the warm log.
Change number of pages in batch size from 10 to 1 to increase the robustness.
Add a setting for logs retention time.
New menu layout.

Bugfixes

Make “Rewrite to HTTPS” to work for the “URL to warm” on page edit block, and for entry points pages exclusion.
Fix update_failed_to_retrieve_links() and update_retrieved_links() added links check, to not add duplicates.
Improve RegExes robustness by using “lazy” quantifiers, instead of the greedy ones.

1.0.54 2023-07-18

Enhancements

Use wp_options table instead of cache for the lock of migrations.
Set min PHP version to 7.4.

1.0.51 2023-07-16

Enhancements

Cleans up Action Scheduler log after itself (older than 30 days for failed actions, and older than 2 days for completed actions).
Added index to the table to make the post edit page open faster.
Entry points limit lifted.
Can specify homepage relative paths as entry points.
Add support for “html” files warming.
Add a notice when the plugin is being updated instead of blocking the whole logic.

Bugfixes

Fix table creation error.
Fix action scheduler scheduling (improve initialization check).
Fix a bug to not warm “mailto:” URLs, but only the ones that start from “http://” or “https://”.
Add checks in case wp_parse_url() is false.
Add Author metadata to the plugin main file.
Do not add URL params to files with ‘XML’ extensions.
Fix a bug when URL params to sitemap pages were not added.
Fix a bug when “sitemaps” setting was not reset.

1.0.44 2023-06-11

Bugfixes

Add pagination to blog posts.
Support pagination for plaintext URLs structure.

1.0.43 2023-06-08

Bugfixes

Fix URLs overlap over the post edit content box.

1.0.41 2023-06-07

Enhancements

Add pages support for taxonomies.
Better migration routine.

1.0.40 2023-06-07

Bugfixes

Add missing libraries.

1.0.38 2023-06-06

Bugfixes

Fix the plugin (didn’t start previously).

1.0.37 2023-06-06

Enhancements

Decrease plugin size from 8 MiB to 2.8 MiB by removing irrelevant files.

1.0.36 2023-06-03

Enhancements

Rename “Interval” tab to “Autorun Interval”.
Capitalize first letters of all tab words.
Add post URL, and with URL params (if presents) to the post edit block.
Add option to exclude pages by regex.

Bugfixes

Fix interval-based warming.

1.0.35 2023-05-15

Enhancements

Add an option to skip pages (that match URL a substring).
Add links (tag ) to the warm-up URL column.

1.0.34 2023-04-30

Bugfixes

Fixed error when the host was undefined.

1.0.25 2023-02-23

Enhancements

Check page load time pre warmer.
Add Varnish and Cloudfront support.

1.0.20 2023-02-15

Bugfixes

Redundant dashboard query deleted.

1.0.19 2023-02-14

Bugfixes

Min PHP version required downgraded to 5.6.20.

1.0.17 2023-02-08

Optimizations

Dashboard query to consider only the previous 30 days.

Bugfixes

Default sitemap priority changed from 0 to 0.5.
Add terms to the tree query fixed.

1.0.16 2023-02-08

Enhancements

Improved accuracy for server IP address detection.

1.0.15 2023-02-08

Bugfixes

Regexes fixed and improved (now work more accurately and catch more links).

1.0.11 2023-02-08

Enhancements

Consider priority for sitemaps.

1.0.10 2023-02-08

Enhancements

Optimized dashboard widget by using a faster query for the dashboard widget.

Bugfixes

Do not get empty afterload time for the dashboard widget.

1.0.9 2023-02-08

Enhancements

Add term links and archives to the posts also.

1.0.8 2023-02-05

Enhancements

Option to sitemaps of entry points as entry points

1.0.7 2023-02-04

Enhancements

Option to add all public site posts (of any type) as entry points.

Bugfixes

Batch size reduced from 10 to 1.

1.0.6 2023-02-02

Enhancements

Post warm details.

1.0.5 2023-02-02

Enhancements

Slow down when hit 429 or 500 error: first 2 times slower for 15 minutes from the previous avg speed, then 8 times slower, then pause for an hour.

Bugfixes

Speed limit is now working properly.

1.0.4 2023-01-30

Enhancements

Show a notification when a page is blocked by Cloudflare or other firewall (403, 502, 504 codes).

Bugfixes

Infinite loop during fake tree creation when the initial passed depth is 0.

1.0.3 2023-01-29

Enhancements

Changelog added.