ActivityPub
v9.4.3by Automattic · updated 3 days ago
Connect your site to the Open Social Web and let millions of users follow, share, and interact with your content from Mastodon, Pixelfed, and more.
- Rank
- #2,743
- Up2 vs yesterday
- Active installs (est.)
- ≈ 6,610
- 6K+ reported · High
- Total downloads
- 608.7K
- 608,747 all-time
- Rating
- 4.9/5
- 40 reviews
- Support resolved
- 100%
- 2 of 2 threads, last 2 months
ActivityPub at a glance
ActivityPub is a WordPress plugin by Automattic with 6K+ active installs, the #2,743 most popular plugin on WordPress.org. On a typical day it’s downloaded about 90 times, 19% fewer than the month before. It’s rated 4.9 out of 5 from 40 reviews. Version 9.4.3 came out on Nov 5, 2026 and is tested up to WordPress 7.1.4. It leads the 14 plugins tagged “activitypub”. It was first released in 2018.
Chart time range
Applies to every chart below. History from Oct 9, 2026, 31 days.
Downloads over time
Download stats1.9K downloads · the last 30 days
View as table
| Date | ActivityPub |
|---|---|
| Oct 26, 2026 | 115 |
| Oct 25, 2026 | 79 |
| Oct 24, 2026 | 87 |
| Oct 23, 2026 | 116 |
| Oct 22, 2026 | 152 |
| Oct 21, 2026 | 191 |
| Oct 20, 2026 | 95 |
| Oct 19, 2026 | 113 |
| Oct 18, 2026 | 85 |
| Oct 17, 2026 | 77 |
| Oct 16, 2026 | 76 |
| Oct 15, 2026 | 84 |
| Oct 14, 2026 | 85 |
| Oct 13, 2026 | 92 |
| Oct 12, 2026 | 142 |
| Oct 11, 2026 | 77 |
| Oct 10, 2026 | 79 |
| Oct 9, 2026 | 112 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 6,647 · +1.1% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 8, 2026 | 6,647 |
| Nov 7, 2026 | 6,647 |
| Nov 5, 2026 | 6,643 |
| Nov 4, 2026 | 6,650 |
| Nov 3, 2026 | 6,621 |
| Nov 2, 2026 | 6,637 |
| Nov 1, 2026 | 6,616 |
| Oct 31, 2026 | 6,589 |
| Oct 30, 2026 | 6,575 |
| Oct 29, 2026 | 6,556 |
| Oct 28, 2026 | 6,579 |
| Oct 27, 2026 | 6,576 |
Rank over time
#2,743 · up 3 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 8, 2026 | #2,743 |
| Nov 7, 2026 | #2,745 |
| Nov 6, 2026 | #2,743 |
| Nov 5, 2026 | #2,742 |
| Nov 4, 2026 | #2,743 |
| Nov 3, 2026 | #2,739 |
| Nov 2, 2026 | #2,742 |
| Nov 1, 2026 | #2,739 |
| Oct 31, 2026 | #2,740 |
| Oct 30, 2026 | #2,737 |
| Oct 29, 2026 | #2,743 |
| Oct 28, 2026 | #2,747 |
| Oct 27, 2026 | #2,746 |
| Oct 16, 2026 | #2,746 |
Growth %
Average +0.09% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 8, 2026 | 0.00% |
| Nov 7, 2026 | +0.03% |
| Nov 5, 2026 | -0.10% |
| Nov 4, 2026 | +0.44% |
| Nov 3, 2026 | -0.24% |
| Nov 2, 2026 | +0.32% |
| Nov 1, 2026 | +0.41% |
| Oct 31, 2026 | +0.21% |
| Oct 30, 2026 | +0.29% |
| Oct 29, 2026 | -0.35% |
| Oct 28, 2026 | +0.05% |
Active installs band
6K+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 8, 2026 | 6K+ |
| Nov 7, 2026 | 6K+ |
| Nov 6, 2026 | 6K+ |
| Nov 5, 2026 | 6K+ |
| Nov 4, 2026 | 6K+ |
| Nov 3, 2026 | 6K+ |
| Nov 2, 2026 | 6K+ |
| Nov 1, 2026 | 6K+ |
| Oct 31, 2026 | 6K+ |
| Oct 30, 2026 | 6K+ |
| Oct 29, 2026 | 6K+ |
| Oct 28, 2026 | 6K+ |
| Oct 27, 2026 | 6K+ |
| Oct 16, 2026 | 6K+ |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where ActivityPub ranks in search
Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.
Change log
From our daily snapshot of WordPress.org- So far:Rank #2742 → #2743
- Released 9.4.3 (was 9.4.2)
- So far:Rank #2743 → #2743
- Released 9.4.2 (was 9.4.0)
- Rank #2743 → #2743
- Released 9.4.0 (was 9.3.1)
- Rank #2747 → #2742
- Tested up to 7.1.3 → 7.1.4
Versions in use
Share of active installs on each published version, from WordPress.org.
- v9.465%
- v9.320%
- Other15%
Rating trend
4.9★★★★★40 reviews · steady in the last 30 days
Requirements & info
Version history- Version
- 9.4.3
- Requires WordPress
- 6.5
- Tested up to
- 7.1.4
- Requires PHP
- 7.4
- First released
- Sep 24, 2018
- Last updated
- Nov 5, 2026
- Releases, last 12 months
- …
Questions about ActivityPub
How many websites use ActivityPub?
ActivityPub is active on 6K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #2,743 most popular plugin on WordPress.org.
How many times has ActivityPub been downloaded?
608,747 times in total since 2018. On a typical day it’s downloaded about 90 times. See download stats
When was ActivityPub last updated?
Version 9.4.3 came out on Nov 5, 2026 (3 days ago). See every release
Is ActivityPub compatible with the latest WordPress?
Yes. It’s tested up to WordPress 7.1.4, the current version.
Does ActivityPub have known security vulnerabilities?
None that affect the current version. WPVulnerability’s database lists 6 older issues, fixed in earlier versions, so keep ActivityPub up to date. See its security record
Is ActivityPub still maintained?
Yes. Its last release was 3 days ago. Its authors resolved 2 of the 2 support threads opened in the last two months.
What rating does ActivityPub have?
4.9 out of 5 from 40 reviews on WordPress.org. 90% of them give 5 stars.
What are the best alternatives to ActivityPub?
The plugins most like ActivityPub, by the tags they share, are WebSub (FKA. PubSubHubbub) (100K+), Keyring Social Importers (70+) and EG Social Timeline (fewer than 10). Compare all alternatives
Latest reviews
Analyze reviewsReview stats
4.9
★★★★★
40 reviews
- 5 stars: 36 reviews, 90%
- 4 stars: 3 reviews, 8%
- 3 stars: 1 reviews, 3%
- 2 stars: 0 reviews, 0%
- 1 stars: 0 reviews, 0%
- Positive
- 98%4–5★
- Mixed
- 3%3★
- Critical
- 0%1–2★
- About 61 more 5★ reviews would lift it to 5.0.
- Each new 1★ review takes 31 five-star reviews to balance out.
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 6,610 |
| Reported installs | 6K+ |
| Rating | 4.9 |
| Reviews | 40 |
| Total downloads | 608.7K |
| Author | Automattic |
| First released | Sep 24, 2018 |
| Version | 9.4.3 |
| Requires WP | 6.5 |
| Requires PHP | 7.4 |
| Last updated | Nov 5, 2026 |
Alternatives to ActivityPub
Compare all alternativesPopular plugins with the same tags, the most in common first.
WebSub (FKA. PubSubHubbub)
by joshfraz
A WebSub plugin for WordPress that enables real-time publishing and subscription capabilities.
- Rank
- #386
- Installs
- 100K+
- 5.0
Keyring Social Importers
by Beau Lebens
Import your posts/images/etc from Twitter, Instagram, Strava, and more, into your WordPress install. Own your content.
- Rank
- #18,929
- Installs
- 70+
- 5.0

EG Social Timeline
by emanuelegori
Bring your Mastodon, GoToSocial, Bluesky and fediverse posts home: one timeline on your own site. No API keys, no tracking, no JavaScript.
- Rank
- #62,730
- Installs
- Fewer than 10

kobak social
by kobak
Publishes every new post to Bluesky and Mastodon and adds u-syndication links. LinkedIn support is optional.
- Rank
- #63,342
- Installs
- Fewer than 10

FediBoost
by Brandon Kraft
Automatically boost WordPress posts on connected Mastodon accounts when published via ActivityPub.
- Rank
- #31,769
- Installs
- 10+
- 5.0

Pterotype
by jdormit
Pterotype expands your audience by giving your blog an ActivityPub stream, making it a part of the Fediverse.
- Rank
- #41,991
- Installs
- 10+
Side by side:ActivityPub vs WebSub (FKA. PubSubHubbub)ActivityPub vs Keyring Social ImportersActivityPub vs EG Social Timeline
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