ActivityPub vs Webmention (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

ActivityPub

ActivityPub

4.9(39)

6.0K+ active installs

Free

Updated 2 weeks ago
View ActivityPub
VS
Webmention

Webmention

5(8)

900 active installs

Free

Updated 5 days ago
View Webmention

Quick Verdict

As of April 2026, Webmention has a higher user rating (5/5 from 8 reviews) while ActivityPub leads in active installations (6.0K+ vs 900). Both are free WordPress plugins. ActivityPub has accumulated 502K+ total downloads while Webmention has 60K+.

Detailed Comparison

Rating
4.9/5ActivityPub
Webmention5/5
Total Reviews
39ActivityPub
Webmention8
Active Installs
6.0K+ActivityPub
Webmention900
Total Downloads
502K+ActivityPub
Webmention60K+
Support Resolution
75%ActivityPub
WebmentionN/A
Last Updated
2 weeks agoActivityPub
Webmention5 days ago
First Released
2018ActivityPub
Webmention2014
Age
8 yearsActivityPub
Webmention12 years
WP Requires
6.5+ActivityPub
Webmention6.2+
PHP Requires
7.4+ActivityPub
Webmention7.2+
Business Model
FreeActivityPub
WebmentionFree
Latest Version
8.0.2ActivityPub
Webmention5.7.0

Rating Breakdown

ActivityPub

4.9/5(39 reviews)
5
90%
4
8%
3
3%
2
0%
1
0%

Webmention

5/5(8 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

ActivityPub Reviews

by Chuck Grimmett

Makes my WP posts look great in the fediverse

Great plugin with regular updates. Does what it says on the label, and does it well. It makes my WP posts look great in the fediverse and boost, replies, and likes quickly make their way back to my si

by 김지운

Thank You for Making Fediverse Connections Possible

As someone working on the Korean translation of this plugin, I have seen first-hand how important it is for WordPress users to connect with the Fediverse. This plugin provides a bridge that makes such

by Writeworks

Worked out of the box. Brilliant.

I’ve installed and setup other ActivityPub servers usually some time & testing required along with tweaks. However with the WP ActivityPub plug-in it, surprisingly, functioned properly <gasp!> ri

Webmention Reviews

No reviews yet

Frequently Asked Questions

Is ActivityPub or Webmention more popular?
ActivityPub has 6.0K+ active installations while Webmention has 900. ActivityPub is the more widely-used plugin as of April 2026.
Which has better ratings — ActivityPub or Webmention?
ActivityPub has a 4.9/5 rating from 39 reviews, while Webmention has a 5/5 rating from 8 reviews.
Are ActivityPub and Webmention free?
ActivityPub is free and Webmention is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — ActivityPub or Webmention?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
ActivityPub was last updated 2 weeks ago and Webmention was last updated 5 days ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.