by
John Dalesandro
0 (0 reviews)
Analytical Spam Filter
Stop spam without making your visitors prove they're human. No captchas, no accounts, and no external services required.
Analytical Spam Filter ranks #40,262 among WordPress.org plugins with 10+ active installations, is #1,834 of 5,058 in the Security category, and was last updated Jun 12, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Tested up to WP 7.0.8 (Current: 7.1.4)
v1.1.2
Current Version v1.1.2
Updated 4 months ago
Last Update on 12 Jun, 2026
Refreshed 1 week ago
Last Refreshed on
#1,834 of 5,058 in Security
Top 50% by installs
Rank
#40,262
—
No change
Active Installs
10+
-37.5%
KW Avg Position
104
0.3 worse
Downloads
4.5K
+3 today
Support Resolved
0%
—
No change
Rating
0%
Review 0 out of 5
0
(0 reviews)
Next Milestone 20
10+
20+
17,089
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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Current
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- Version
- 1.1.2
- Last Updated
- Jun 12, 2026
- Requires WP
- 5.9+
- Tested Up To
- 7.0.8
- PHP Version
- 7.4 or higher
- Author
- John Dalesandro
Support & Rating
- Rating
- ☆ ☆ ☆ ☆ ☆ 0
- Reviews
- 0
- Support Threads
- 0
- Resolved
- 0%
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Frequently Asked Questions
Common questions about Analytical Spam Filter
The plugin uses behavioral analysis to block automated spam without requiring captchas or other obstacles. While these methods significantly reduce automated spam, they cannot catch every low-quality comment entered manually by a human. Use the diagnostic emails to review what the plugin is seeing and adjust settings and thresholds accordingly. The plugin only works with the default WordPress comment form.
No. The plugin only blocks spam submitted through the default WordPress comment form. Timestamp blocking is not working. If your site uses a caching plugin, make sure the Cache Compatibility option is enabled in the plugin settings. This option requires JavaScript to be enabled in the visitor's browser. Even on sites without a caching plugin, enabling Cache Compatibility adds an additional layer of detection because bots typically do not execute JavaScript. Duration blocking is not working. Duration Blocking requires the Cache Compatibility option to be active. Without it, the browser cannot determine which hidden field to write the timing data into, so no duration value is recorded. Enable Cache Compatibility and ensure JavaScript is enabled.
Use the Diagnostic Email Rate Limit setting to control the minimum number of seconds between notification emails of the same type. The default is 60 seconds. You can also use the threshold settings in the IP Blocking and Content Blocking sections to suppress repeat notifications from persistent spammers the plugin has already identified.
Go to Admin → Settings → Analytical Spam Filter and click the "Regenerate Security Keys" button at the bottom of the page. This immediately invalidates all existing form tokens. If your site uses a full-page cache, clear it afterward so visitors receive pages containing the new fields.
When "Flag Comment as Spam?" is enabled (the default), blocked submissions are quietly added to the WordPress spam queue where you can review them. When it is disabled, the submitter sees a rejection message immediately and the submission is discarded without being stored anywhere.
