by robfelty 4.1 (57 reviews)

Collapsing Categories

Name: Collapsing Categories
Rating: 4.1 (57 reviews)
Author: robfelty

Adds a widget which uses Javascript to dynamically expand or collapse the set of posts for each category.

Collapsing Categories ranks #3,416 among WordPress.org plugins with 4,000+ active installations, is #544 of 8,548 in the Customization category, a 4.1/5 rating from 57 reviews, and was last updated Feb 12, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 6.9.7 (Current: 7.1)

v3.0.12 Current Version v3.0.12

Updated 7 months ago Last Update on 12 Feb, 2026

Refreshed 9 hours ago Last Refreshed on

#544 of 8,548 in Customization Top 5% by installs Downloads -36.7% this week

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Rank

#3,416

— No change

Active Installs

4K+

-15.2%

KW Avg Position

— No change

Downloads

295.3K

+14 today

Support Resolved

— No change

Rating

82%

Review 4.1 out of 5

4.1 (57 reviews)

Next Milestone 5K

Total Progress 68.6%

4K+ 5K+

150

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #3,416

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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

4.1

57 reviews

Overall 82%

40 (70%)

4 (7%)

1 (2%)

2 (4%)

10 (18%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

Resolution Rate

Security History

Source: WPVulnerability

2 known vulnerabilities on record · 2 in the last 24 months · checked 3 days ago

Feb 16, 2026

Collapsing Categories [collapsing-categories] < 3.0.12

CVE-2026-32366 · Fixed in v3.0.12
Dec 17, 2024

Collapsing Categories [collapsing-categories] < 3.0.9

CVE-2024-12025 · Fixed in v3.0.9

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Plugin Details

Version: 3.0.12
Last Updated: Feb 12, 2026
Requires WP: 5.0+
Tested Up To: 6.9.7
PHP Version: N/A
Author: robfelty

Support & Rating

Rating: ★ ★ ★ ★ ☆ 4.1
Reviews: 57
Support Threads: 1
Resolved: 0%

Keywords

categories navigation sidebar widget

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TL;DR

AI summary of the plugin's readme

Collapsing Categories is for WordPress site owners who want an interactive, space-saving category listing on their site. It solves the problem of long category/subcategory lists taking up too much space by letting visitors expand and collapse them via JavaScript, optionally showing posts within each category.

Expandable category widget
Show/hide posts per category
Subcategory support
Manual theme integration
Category and post sorting options
Post count display
RSS feed links per category
Cookie-based expand memory

Frequently Asked Questions

Common questions about Collapsing Categories

If you want to use images, you can upload your own images to http://yourblogaddress/wp-content/plugins/collapsing-categories/img/collapse.gif and expand.gif There is an option for this. I have selected a category to expand by default, but it doesn't seem to work If you select a sub-category to expand by default, but not the parent category, you will not see the sub-category expanded until you expand the parent category. You probably want to add both the parent and the sub-category into the expand by default list. I can't get including or excluding to work Make sure you specify category names, not ids. There seems to be a newline between the collapsing/expanding symbol and the category name. How do I fix this? = If your theme has some css that says something like sidebar li a {display:block} that is the problem. You probably want to add a float:left to the .sym class No categories are showing up! What's wrong?"

categories. Please check the options in the settings page (or in the widget if you are using the widget)

As of version 2.0, there are several default styles that come with collapsing-categories. You can choose from these in the widget settings , or you

modify it slightly to your needs. The following classes are used: * collapsing-categories - applied to all ul and li elements * list - applied to the top-level ul * item - applied to each li which has no sub-elements * expand - applied to a category which can be expanded (is currently collapsed) * collapse - applied to a category which can be collapsed (is currently expanded) * sym - class for the expanding / collapsing symbol An example: <ul id='widget-collapscat-15-top ' class='collapsing-categories list'> <li class='collapsing-categories post'><a href='http://mysite.com/your-website/about-your-own-site/' title='About your own site'>About your own site</a> </li> <li class='collapsing-categories'><span class='collapsing-categories expand' onclick='expandCollapse(event, "▶","▼", 1, "collapsing categories"); return false'><span class='sym'>▶</span>Web hosting</span> <ul id='collapsCat-176-15' style="display:none"> <li class='collapsing-categories post'><a href='http://mysite.com/your-website/web-hosting/about-webhosting/' title='About webhosting'>About webhosting</a> </li> <li class='collapsing-categories post'><a href='http://mysite.com/products/webhosting-1/' title='Webhosting #1'>Webhosting #1</a> </li> <li class='collapsing-categories post'><a href='http://mysite.com/products/webhosting-2/' title='Webhosting #2'>Webhosting #2</a> </li> </ul> </li>