Akismet Anti-spam: Spam Protection

akismet · by automattic · wordpress.org ↗ · SVN ↗
Acquired by Automattic. New committers from that team's naming convention are expected and will not fire takeover events. source ↗
Active installs
6M+
Current version
5.7
Added
2005-10-20
Last updated
2026-04-23 (2mo ago)
First seen by beacon
2mo ago
Total downloads
395,620,982

Statistics

2024-06-17 → 2026-07-01 · 745 days
Downloads today
37,686
7-day total 239,788
Week over week
▼ -4%
vs prior 7 days
30-day trend
declining
▼ -49% MoM
Abandonment
○○○○○
healthy
Downloads/day Linear trend
4414k3311k2207k1104k02024-062024-102025-022025-062025-102026-022026-07
2263k1697k1131k566k02026-042026-042026-052026-052026-062026-06
48k36k24k12k02026-062026-062026-062026-062026-062026-06

Active versions

5.7other5.35.6
5.7 · 51.7%other · 13.8%5.3 · 11.7%5.6 · 11.1%4.1 · 6.8%5.5 · 5.0%

Ratings

5★
1,031
4★
67
3★
16
2★
13
1★
57

Support: 10/10 resolved

Alerts (0)

No open alerts.

Show 3 resolved alerts
High committer_younger_than_plugin Resolved · legit_employee_committer_fp 2026-06-30 23:32:06 (1d ago)
Slugakismet
Committer sluglessbloat
Committer display nameDave Martin (lessbloat)
Committer employer
Committer member since2010-09-10
Committer first commit2010-09-22 21:57:21
Committer commit count29
Plugin listed authorautomattic
Earliest plugin commit2005-10-20 08:57:41
Plugin age at join days1,798
Committer age at join days12
Active installs6,000,000
View raw JSON
{
    "slug": "akismet",
    "committer_slug": "lessbloat",
    "committer_display_name": "Dave Martin (lessbloat)",
    "committer_employer": null,
    "committer_member_since": "2010-09-10",
    "committer_first_commit": "2010-09-22 21:57:21",
    "committer_commit_count": 29,
    "plugin_listed_author": "automattic",
    "earliest_plugin_commit": "2005-10-20 08:57:41",
    "plugin_age_at_join_days": 1798,
    "committer_age_at_join_days": 12,
    "active_installs": 6000000
}
Medium code_scan_match Resolved · fp:overgeneric_ioc 2026-05-02 22:48:15 (2mo ago)
Slugakismet
Finding count1
Findings
PatternKindFileLineSnippetConfidence
Upgradeioc:changelog_phrasereadme.txt97* Prompt users on legacy plans to contact Akismet support for upgrades.low
Triage note 2026 05 03akismet: single Upgrade hit on "contact Akismet support for upgrades" text. Automattic-owned core anti-spam plugin.
View raw JSON
{
    "slug": "akismet",
    "finding_count": 1,
    "findings": [
        {
            "pattern": "Upgrade",
            "kind": "ioc:changelog_phrase",
            "file": "readme.txt",
            "line": 97,
            "snippet": "* Prompt users on legacy plans to contact Akismet support for upgrades.",
            "confidence": "low"
        }
    ],
    "triage_note_2026_05_03": "akismet: single Upgrade hit on \"contact Akismet support for upgrades\" text. Automattic-owned core anti-spam plugin."
}
High committer_younger_than_plugin Resolved · no_longer_matches 2026-04-30 18:18:17 (2mo ago)
Slugakismet
Committer slugandyperdomo
Committer display nameAndy Perdomo (a11n)
Committer employer
Committer member since2025-01-07
Committer first commit2025-04-02 00:41:10
Committer commit count11
Plugin listed authorautomattic
Earliest plugin commit2015-04-28 14:50:55
Plugin age at join days3,626
Committer age at join days85
Active installs6,000,000
View raw JSON
{
    "slug": "akismet",
    "committer_slug": "andyperdomo",
    "committer_display_name": "Andy Perdomo (a11n)",
    "committer_employer": null,
    "committer_member_since": "2025-01-07",
    "committer_first_commit": "2025-04-02 00:41:10",
    "committer_commit_count": 11,
    "plugin_listed_author": "automattic",
    "earliest_plugin_commit": "2015-04-28 14:50:55",
    "plugin_age_at_join_days": 3626,
    "committer_age_at_join_days": 85,
    "active_installs": 6000000
}

SVN committers (23)

Accounts with actual commit access to akismet on plugins.svn.wordpress.org, reconstructed from svn log. This is the list that matters for ownership changes — not the readme contributors.

Committer Member since Commits First commit Latest commit
Christopher Finke 2007-06-19 418 2014-02-14 · r858105 2026-04-09 · r3502846
Tellyworth 2007-06-08 229 2009-02-16 · r94833 2014-04-14 · r892717
Joseph Scott 2004-05-05 111 2010-08-04 · r271845 2012-04-24 · r535775
bluefuton 2019-01-09 77 2023-08-07 · r2948285 2026-05-01 · r3520055
Eoin Gallagher 2009-03-25 73 2013-05-18 · r715077 2019-10-23 · r2178555
Matt Mullenweg 2003-04-04 54 2005-10-20 · r3755 2008-11-27 · r76085
Stephane Daury (stephdau) 2007-07-02 47 2017-12-18 · r1788972 2023-06-21 · r2929275
Ryan Boren 2003-12-27 39 2005-11-05 · r3871 2010-03-23 · r221060
Josh Smith 2008-05-02 36 2017-10-31 · r1756257 2023-01-19 · r2851437
Dave Martin (lessbloat) Young account 2010-09-10 29 2010-09-22 · r292544 2012-04-26 · r536875
Andy Perdomo (a11n) Young account 2025-01-07 11 2025-04-02 · r3265351 2025-10-01 · r3371382
Alex Concha 2005-01-09 9 2012-12-12 · r637784 2012-12-13 · r638769
kbrownkd (a11n) 2019-08-25 9 2022-07-08 · r2753902 2024-07-03 · r3111969
Greg 2013-03-09 9 2014-08-20 · r969272 2015-06-10 · r1178267
Michael Adams (mdawaffe) 2004-10-07 8 2007-04-19 · r11455 2009-11-07 · r171097
Lisa Schuyler 2011-08-26 2 2025-01-30 · r3232287 2025-06-10 · r3309445
Derek Springer 2012-05-16 2 2024-05-13 · r3086117 2024-05-31 · r3095776
Peter Westwood 2005-02-11 1 2024-08-05 · r3131091 2024-08-05 · r3131091
briancolinger 2009-01-31 1 2021-09-02 · r2592940 2021-09-02 · r2592940
jonefox 2008-10-20 1 2010-08-19 · r278354 2010-08-19 · r278354
Samuel Wood (Otto) 2006-04-12 1 2014-03-14 · r875466 2014-03-14 · r875466
Andrew Nacin 2009-11-06 1 2013-08-01 · r749467 2013-08-01 · r749467
Andy Skelton 2003-10-06 1 2007-01-08 · r7237 2007-01-08 · r7237

Readme contributors (19)

Names the plugin's readme declares as contributors. A soft signal — anyone can be listed. The SVN access column is the ground-truth cross-reference: does this contributor actually commit code?

Contributor Member since SVN access Status
Christopher Finke 2007-06-19 418 commits Active
Tellyworth 2007-06-08 229 commits Active
Joseph Scott 2004-05-05 111 commits Active
bluefuton 2019-01-09 77 commits Active
Eoin Gallagher 2009-03-25 73 commits Active
Matt Mullenweg 2003-04-04 54 commits Active
Stephane Daury (stephdau) 2007-07-02 47 commits Active
Ryan Boren 2003-12-27 39 commits Active
Josh Smith 2008-05-02 36 commits Active
Dave Martin (lessbloat) 2010-09-10 29 commits Active
Andy Perdomo (a11n) 2025-01-07 11 commits Active
Greg 2013-03-09 9 commits Active
kbrownkd (a11n) 2019-08-25 9 commits Active
Michael Adams (mdawaffe) 2004-10-07 8 commits Active
Derek Springer 2012-05-16 2 commits Active
Lisa Schuyler 2011-08-26 2 commits Active
Andy Skelton 2003-10-06 1 commits Active
Anti-Spam 2023-04-05 Active
Automattic 2009-11-05 Active

Versions (91 most recent)

Version Released Download
5.7 2026-04-23 · 2mo ago
5.6 2025-11-12 · 7mo ago zip
5.5 2025-07-15 · 11mo ago zip
5.4 2025-05-07 · 1y ago zip
5.3.7 2025-04-14 · 1y ago zip
5.3.6 2025-02-04 · 1y ago zip
5.3.5 2024-11-19 · 1y ago zip
5.3.4 2024-11-18 · 1y ago zip
5.3.3 2024-11-11 · 1y ago zip
5.3.2 2024-05-31 · 2y ago zip
5.3.1 2024-01-17 · 2y ago zip
5.3 2023-11-07 · 2y ago zip
5.2 2023-08-07 · 2y ago zip
5.1 2023-04-05 · 3y ago zip
5.0.2 2022-12-01 · 3y ago zip
5.0.1 2022-11-08 · 3y ago zip
5.0 2022-07-26 · 3y ago zip
4.2.5 2022-07-11 · 3y ago zip
4.2.4 2022-05-20 · 4y ago zip
4.2.3 2022-04-25 · 4y ago zip
4.2.2 2022-01-24 · 4y ago zip
4.2.1 2021-10-01 · 4y ago zip
4.2 2021-09-30 · 4y ago zip
4.1.12 2021-09-03 · 4y ago zip
4.1.11 2021-08-23 · 4y ago zip
4.1.10 2021-07-06 · 4y ago zip
4.1.9 2021-03-02 · 5y ago zip
4.1.8 2021-01-06 · 5y ago zip
4.1.7 2020-12-04 · 5y ago zip
4.1.6 2020-10-15 · 5y ago zip
4.1.5 2020-04-29 · 6y ago zip
4.1.4 2020-03-17 · 6y ago zip
4.1.3 2019-11-13 · 6y ago zip
4.1.2 2019-05-14 · 7y ago zip
4.1.1 2019-04-29 · 7y ago zip
4.1 2018-11-12 · 7y ago zip
4.0.8 2018-10-30 · 7y ago zip
4.0.7 2018-05-28 · 8y ago zip
4.0.6 2018-05-26 · 8y ago zip
4.0.5 2018-05-26 · 8y ago zip
4.0.4 2018-05-26 · 8y ago zip
4.0.3 2018-02-19 · 8y ago zip
4.0.2 2017-12-18 · 8y ago zip
4.0.1 2017-11-06 · 8y ago zip
4.0 2017-09-19 · 8y ago zip
3.3.4 2017-08-03 · 8y ago zip
3.3.3 2017-07-13 · 8y ago zip
3.3.2 2017-07-06 · 8y ago zip
3.3.1 2017-05-02 · 9y ago zip
3.3 2017-02-23 · 9y ago zip
3.2 2016-12-07 · 9y ago zip
3.1.11 2016-05-12 · 10y ago zip
3.1.10 2016-04-01 · 10y ago zip
3.1.9 2016-03-28 · 10y ago zip
3.1.8 2016-03-04 · 10y ago zip
3.1.7 2016-01-04 · 10y ago zip
3.1.6 2015-12-14 · 10y ago zip
2.6.1 2015-10-13 · 10y ago zip
3.0.5 2015-10-13 · 10y ago zip
3.1.5 2015-10-13 · 10y ago zip
2.5.10 2015-10-13 · 10y ago zip
3.1.4 2015-09-24 · 10y ago zip
3.1.3 2015-09-03 · 10y ago zip
3.1.2 2015-06-24 · 11y ago zip
3.1.1 2015-04-28 · 11y ago zip
3.1 2015-03-11 · 11y ago zip
3.0.4 2014-12-11 · 11y ago zip
3.0.3 2014-11-03 · 11y ago zip
3.0.2 2014-09-02 · 11y ago zip
3.0.1 2014-07-10 · 11y ago zip
3.0.0 2014-04-15 · 12y ago zip
3.0.0-RC1 2014-04-11 · 12y ago zip
2.6.0 2014-03-18 · 12y ago zip
2.5.9 2013-08-01 · 12y ago zip
2.5.8 2013-06-20 · 13y ago zip
2.5.7 2012-12-13 · 13y ago zip
2.4.1 2012-07-18 · 13y ago zip
2.5.6 2012-04-26 · 14y ago zip
2.5.5 2012-01-11 · 14y ago zip
2.5.4 2012-01-06 · 14y ago zip
2.5.3 2011-02-08 · 15y ago zip
2.5.2 2011-01-14 · 15y ago zip
2.5.1 2010-12-17 · 15y ago zip
2.5.0 2010-12-07 · 15y ago zip
2.4.0 2010-08-23 · 15y ago zip
2.3.0 2010-06-15 · 16y ago zip
2.2.9 2010-06-02 · 16y ago zip
2.2.8 2010-05-27 · 16y ago zip
2.2.7 2009-12-17 · 16y ago zip
2.2.6 2009-07-20 · 16y ago zip
2.2.5 2009-07-16 · 16y ago zip