Unique Comments
v0.2by Sergey Biryukov · updated 16 years ago
Checks via Google Search if the comment being left is a common spam comment.
- Rank
- #31,823
- Up392 vs yesterday
- Active installs (est.)
- ≈ 16
- 10+ reported · High
- Total downloads
- 4.1K
- 4,075 all-time
- Rating
- –
- 0 reviews
- Support resolved
- –
- 0 of 0 threads, last 2 months
Unique Comments at a glance
Unique Comments is a WordPress plugin by Sergey Biryukov with 10+ active installs, the #31,823 most popular plugin on WordPress.org. On a typical day it’s downloaded about 1 time, about the same as the month before. It has no reviews yet. Version 0.2 came out on Feb 16, 2010, more than 16 years ago. It is tested up to WordPress 2.9.2. Among the 48 plugins tagged “messages”, it ranks #18. It was first released in 2008.
Chart time range
Applies to every chart below. History from Oct 10, 2026, 30 days.
Downloads over time
Download stats28 downloads · the last 30 days
View as table
| Date | Unique Comments |
|---|---|
| Nov 6, 2026 | 1 |
| Nov 5, 2026 | 0 |
| Nov 4, 2026 | 1 |
| Nov 3, 2026 | 1 |
| Nov 2, 2026 | 1 |
| Nov 1, 2026 | 2 |
| Oct 31, 2026 | 0 |
| Oct 30, 2026 | 0 |
| Oct 29, 2026 | 0 |
| Oct 28, 2026 | 2 |
| Oct 27, 2026 | 1 |
| Oct 26, 2026 | 2 |
| Oct 25, 2026 | 1 |
| Oct 24, 2026 | 1 |
| Oct 23, 2026 | 2 |
| Oct 22, 2026 | 0 |
| Oct 21, 2026 | 0 |
| Oct 20, 2026 | 0 |
| Oct 19, 2026 | 4 |
| Oct 18, 2026 | 2 |
| Oct 17, 2026 | 2 |
| Oct 16, 2026 | 0 |
| Oct 15, 2026 | 1 |
| Oct 14, 2026 | 0 |
| Oct 13, 2026 | 1 |
| Oct 12, 2026 | 0 |
| Oct 11, 2026 | 1 |
| Oct 10, 2026 | 2 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 16 · 0.0% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 9, 2026 | 16 |
| Nov 8, 2026 | 16 |
| Nov 7, 2026 | 16 |
| Nov 5, 2026 | 16 |
| Nov 4, 2026 | 16 |
| Nov 3, 2026 | 16 |
| Nov 2, 2026 | 16 |
| Nov 1, 2026 | 16 |
| Oct 31, 2026 | 16 |
| Oct 30, 2026 | 16 |
| Oct 29, 2026 | 16 |
| Oct 28, 2026 | 16 |
Rank over time
#31,823 · down 59 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | #31,823 |
| Nov 8, 2026 | #32,215 |
| Nov 6, 2026 | #31,961 |
| Nov 5, 2026 | #31,997 |
| Nov 4, 2026 | #32,237 |
| Nov 2, 2026 | #31,797 |
| Nov 1, 2026 | #31,771 |
| Oct 31, 2026 | #31,559 |
| Oct 30, 2026 | #32,090 |
| Oct 29, 2026 | #31,521 |
| Oct 28, 2026 | #31,764 |
Growth %
Average 0.00% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 9, 2026 | 0.00% |
| Nov 8, 2026 | 0.00% |
| Nov 7, 2026 | 0.00% |
| Nov 5, 2026 | 0.00% |
| Nov 4, 2026 | 0.00% |
| Nov 3, 2026 | 0.00% |
| Nov 2, 2026 | 0.00% |
| Nov 1, 2026 | 0.00% |
| Oct 31, 2026 | 0.00% |
| Oct 30, 2026 | 0.00% |
| Oct 29, 2026 | 0.00% |
Active installs band
10+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | 10+ |
| Nov 8, 2026 | 10+ |
| Nov 7, 2026 | 10+ |
| Nov 6, 2026 | 10+ |
| Nov 5, 2026 | 10+ |
| Nov 4, 2026 | 10+ |
| Nov 3, 2026 | 10+ |
| Nov 2, 2026 | 10+ |
| Nov 1, 2026 | 10+ |
| Oct 31, 2026 | 10+ |
| Oct 30, 2026 | 10+ |
| Oct 29, 2026 | 10+ |
| Oct 28, 2026 | 10+ |
| Oct 27, 2026 | 10+ |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where Unique Comments 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.orgNo changes yet. When this plugin's name, short description, tags, “Tested up to” or version change, they show here with what happened to its rank next.
Versions in use
Share of active installs on each published version, from WordPress.org.
- v0.2100%
Requirements & info
Version history- Version
- 0.2
- Requires WordPress
- 2.6
- Tested up to
- 2.9.2
- Requires PHP
- –
- First released
- Dec 19, 2008
- Last updated
- Feb 16, 2010
- Releases, last 12 months
- …
Questions about Unique Comments
How many websites use Unique Comments?
Unique Comments is active on 10+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #31,823 most popular plugin on WordPress.org.
How many times has Unique Comments been downloaded?
4,075 times in total since 2008. On a typical day it’s downloaded about 1 times. See download stats
When was Unique Comments last updated?
Version 0.2 came out on Feb 16, 2010 (16 years ago).
Is Unique Comments compatible with the latest WordPress?
Unique Comments’s readme says it’s tested up to WordPress 2.9.2, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.
Is Unique Comments still maintained?
Its last release was 16 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.
What rating does Unique Comments have?
No one has reviewed Unique Comments on WordPress.org yet.
What are the best alternatives to Unique Comments?
The plugins most like Unique Comments, by the tags they share, are Akismet Anti-spam (5M+), Anti-Spam, Spam FireWall by CleanTalk (200K+) and Cookies for Comments (10K+). Compare all alternatives
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 16 |
| Reported installs | 10+ |
| Rating | – |
| Reviews | 0 |
| Total downloads | 4.1K |
| Author | Sergey Biryukov |
| First released | Dec 19, 2008 |
| Version | 0.2 |
| Requires WP | 2.6 |
| Requires PHP | – |
| Last updated | Feb 16, 2010 |
Alternatives to Unique Comments
Compare all alternativesPopular plugins with the same tags, the most in common first.

Akismet Anti-spam
by Automattic
The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.
- Rank
- #8
- Installs
- 5M+
- 4.7

Anti-Spam, Spam FireWall by CleanTalk
by CleanTalk Inc
Advanced antispam for comments, registrations & contact forms. No CAPTCHA, plus email validation and honeypot. We catch spam others miss!
- Rank
- #239
- Installs
- 200K+
- 4.8
Cookies for Comments
by Donncha O Caoimh (a11n)
Sets a cookie on a random URL that is then checked when a comment is posted. If the cookie is missing the comment is marked as spam.
- Rank
- #1,558
- Installs
- 10K+
- 4.9
Throws SPAM Away
by ウェブ屋のさとーさん
A powerful anti-spam plugin that silently discards spam comments without showing any error page.
- Rank
- #1,441
- Installs
- 10K+
- 5.0
Simply Disable Comments
by handyplugins
A simple way to fully disable comments on your WordPress.
- Rank
- #2,434
- Installs
- 8K+
- 5.0

Disable Comments
by WPDeveloper
Disable comments site-wide or by post type, delete existing comments in bulk, and block comment spam via REST API and XML-RPC. Multisite ready.
- Rank
- #38
- Installs
- 1M+
- 4.7
Side by side:Unique Comments vs Akismet Anti-spamUnique Comments vs Anti-Spam, Spam FireWall by CleanTalkUnique Comments vs Cookies for Comments
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