by Dan 5 (6 reviews)

Cache-Control

Configurable HTTP Cache-Control response headers for webpages generated by WordPress.

Cache-Control ranks #5,583 among WordPress.org plugins with 1,000+ active installations, is #178 of 1,523 in the Performance category, a 5/5 rating from 6 reviews, and was last updated Aug 30, 2019. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 5.2 (Current: 7.1)

v2.2.5 Current Version v2.2.5

Updated 7 years ago Last Update on 30 Aug, 2019

Refreshed 6 hours ago Last Refreshed on

#178 of 1,523 in Performance Top 10% by installs Downloads -12.2% this week No update in over a year

View on WordPress.org

Rank

#5,583

-7 this week

Active Installs

1K+

-43.5%

KW Avg Position

N/A

— No change

Downloads

99K

+24 today

Support Resolved

— No change

Rating

100%

Review 5 out of 5

5 (6 reviews)

Next Milestone 2K

Total Progress 77.1%

1K+ 2K+

450

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #5,583

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

5.0

6 reviews

Overall 100%

6 (100%)

0 (0%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Cache-Control. Checked 1 month ago.

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Plugin Details

Version: 2.2.5
Last Updated: Aug 30, 2019
Requires WP: 4.4.1+
Tested Up To: 5.2
PHP Version: N/A
Author: Dan

Support & Rating

Rating: ★ ★ ★ ★ ★ 5
Reviews: 6
Support Threads: 0
Resolved: 0%

Keywords

cache-control caching http performance

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who want more control over their site's performance and caching behavior. It solves the problem of managing HTTP Cache-Control headers by letting users configure different caching policies for shared and private caches while keeping logged-in and admin pages uncached.

Configurable Cache-Control response headers
Separate policies for shared/intermediary caches
Separate policies for private caches
Sensible defaults for medium traffic blogs
Automatic max-age lowering before scheduled posts
No caching for private pages
Extensive documentation

Frequently Asked Questions

Common questions about Cache-Control

Please refer to RFC 2616 Section 13. If you’re unfamiliar with this header, you’ll want to disable this plugin until you’ve read up on caching in general. Apache’s caching guide is a great resource to get better acquainted with caching. This plugin should be used with great care as it breaks assumptions set by WordPress core and most plugin authors that every page will be regenerated for every request.

You can use your web browser’s developer tools, or a web utility for inspecting headers like Redbot.

These fields can be configured individually: max-age s-maxage stale-if-error stale-while-revalidate Alternatively, uncacheable pages are served with no-cache, no-store, must-revalidate.

No, but it tells caching reverse proxies like Apache’s mod_cache, Varnish, Squid, that it’s okay to cache the content generated by WordPress for the specified intervals you define in the header.

These pages are always set as non-cacheable. Whether caches respect this is up to their configuration. By default, this shouldn’t be an issue.

Yes, the stale-if-error and stale-while-revalidate headers from RFC 5861 are supported. Please verify with your reverse proxy, content distribution network (CDN), or web accelerator whether RFC 5861 is supported there too. Setting the headers doesn’t help when your deployment doesn’t support them.

Yes, there is a separate setting for feeds. It’s recommended to set it to a few hours to preserve device battery and network bandwidth on users’ devices even if your site is updated very frequently.

Caching means pages will be static (non-changing) in caches that store them. Dynamic themes that modify page content will generate one variant that is served to all users for as long as a cache consider the response “fresh”. You can use client-side scripting to make some elements (ad banners, recent posts, etc.) update more frequently than the rest of the page.

Any plugin that require dynamic content will be negatively affected. For example, many anti-comment spam plugins will not work when served statically from a cache. Make sure to test every feature on your website after enabling caching. Plugins that produce texts, images, ads, and the like will produce one output and potentially have that served to all users until the cache expires.