ActivityStream extension
ActivityStrea.ms feeds for WordPress (Atom and JSON(-LD))
Solid choice
ActivityStream extension is a solid plugin choice in 2026, with a few things worth checking first. It runs on 50+ sites, is rated 5/5 and was last updated 1 month ago, and scores 71/100 on our health check.
- Tested with the latest WordPress (7.1)
- Small user base (50+ active installs)
- Very few reviews so far
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where ActivityStream extension stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| ActivityStreams | #1 |
| Atom | #27 |
| feed | >100 |
| JSON-LD | #57 |
| rss | >100 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 5 from 1 reviews
About ActivityStream extension
From the official readme · v1.3.9Description
ActivityStreams (activitystrea.ms) support for your WordPress-blog
ActivityStreams is an open format specification for activity stream protocols, which are used to syndicate activities taken in social web applications and services, similar to those in Facebook’s Newsfeed, FriendFeed, the Movable Type Action Streams plugin, etc.
Installation
- Upload the whole folder to your
wp-content/pluginsfolder - Activate it at the admin interface
Thats it
Changelog
Project maintined on github at pfefferle/wordpress-activitystream-extension.
1.3.9
- renamed
pubsubhubbub_supported_feed_typesfilter towebsub_supported_feed_types
1.3.8
- CI/CD changes
- optimized “flash rewrite rules”
1.3.7
- fix “Non-static method” warning
1.3.6
- Updated WebSub support
1.3.4
- version bump
1.3.3
- update dependencies
1.3.2
- added missing enclosure mime-type
1.3.1
- replaced json_encode with wp_json_encode
- added enclosures to Atom
<activity:object>
1.3.0
- Added enclosure support
- Fixed summary js-summary
1.2.3
- added WebFinger and host-meta discovery
1.2.2
- updated requirement
- fixed licenses
1.2.1
- removed charset
1.2.0
- updated to latest spec: http://www.w3.org/TR/2016/WD-activitystreams-core-20160712/
- fixed comment feed
1.1.0
- initial AS2 feed (beta)
- WordPress coding standard
1.0.0
- changes based on the 7B plugin https://github.com/pento/7B
- json-feed for comments
- cleanup
0.8
- some JSON changes to match spec 1.0
- changed the HTML discovery-links
- added post_thumbnail support
0.7.1
- updated to new JSON-Activity changes
0.7
- deprecated
<activity:subject> - enriched Atom
<author />
0.6
- added json feed
- pubsubhubbub for json
0.5
- some OStatus compatibility fixes
- added
<activity:subject> - added
<activity:target>
0.3
- Fixed a namespace bug
- Added autodiscovery link
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
FAQ
ActivityStream extension: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
Is ActivityStream extension free?
Yes. ActivityStream extension is free to download and use from the official WordPress.org plugin directory.
Is ActivityStream extension safe to use in 2026?
ActivityStream extension is a solid plugin choice in 2026, with a few things worth checking first. It runs on 50+ sites, is rated 5/5 and was last updated 1 month ago, and scores 71/100 on our health check.
How many websites use ActivityStream extension?
ActivityStream extension is active on 50+ WordPress websites and has been downloaded 10,080 times since it launched in April 2009. It was downloaded 131 times in the last 30 days.
Does ActivityStream extension work with WordPress 7.1?
Yes. The developer has tested ActivityStream extension up to WordPress 7.1.2, the latest release. It requires WordPress 4.2 or newer.
When was ActivityStream extension last updated?
The latest version, 1.3.9, was released on August 21, 2026 (1 month ago).
Who makes ActivityStream extension?
ActivityStream extension is developed and maintained by Matthias Pfefferle.
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