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Spam Blocker S1

v3

by Yoshimura Hiroyuki · updated 13 years ago

This Plugin blocks comments which is judged to be 'spam' by a standard WordPress function.

commentsspam
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#45,353
Down5,711 vs yesterday
Active installs (est.)
≈ 13
10+ reported · High
Total downloads
1.7K
1,689 all-time
Rating
–
0 reviews
Support resolved
–
0 of 0 threads, last 2 months

Spam Blocker S1 at a glance

Spam Blocker S1 is a WordPress plugin by Yoshimura Hiroyuki with 10+ active installs, the #45,353 most popular plugin on WordPress.org. It has no reviews yet. Version 3 came out on Mar 9, 2013, more than 13 years ago. It is tested up to WordPress 3.5.2. Among the 674 plugins tagged “spam”, it ranks #385. It was first released in 2012.

Chart time range

Applies to every chart below. History from Oct 27, 2026, 14 days.

Downloads over time

Download stats

11 downloads · the last 30 days

Downloads over time
Spam Blocker S1 Compare series
Downloads over time: 13 days across 1 series.0510Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateSpam Blocker S1
Nov 9, 202611
Nov 8, 20260
Nov 7, 20260
Nov 6, 20260
Nov 5, 20260
Nov 4, 20260
Nov 3, 20260
Nov 2, 20260
Nov 1, 20260
Oct 31, 20260
Oct 30, 20260
Oct 29, 20260
Oct 28, 20260

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 13 · -7.1% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.131415Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateEstimated installs
Nov 9, 202613
Nov 8, 202613
Nov 7, 202613
Nov 5, 202615
Nov 4, 202615
Nov 3, 202614
Nov 2, 202614
Nov 1, 202613
Oct 31, 202613
Oct 30, 202615
Oct 29, 202614
Oct 28, 202614

Rank over time

#45,353 · down 4,662 in the last 30 days

Popular rank
Popular rank: 10 days across 1 series.#40K#45KOct 28Oct 30Nov 2Nov 4Nov 7
View as table
DateDaily snapshot
Nov 7, 2026#45,353
Nov 6, 2026#39,642
Nov 5, 2026#38,296
Nov 4, 2026#36,042
Nov 3, 2026#41,795
Nov 2, 2026#41,870
Nov 1, 2026#45,076
Oct 31, 2026#45,049
Oct 30, 2026#37,751
Oct 28, 2026#40,691

Growth %

Average -0.62% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-10%0%10%Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9
View as table
DateGrowth
Nov 9, 20260.00%
Nov 8, 20260.00%
Nov 7, 2026-6.67%
Nov 5, 20260.00%
Nov 4, 2026+7.14%
Nov 3, 20260.00%
Nov 2, 2026+7.69%
Nov 1, 20260.00%
Oct 31, 2026-13.33%
Oct 30, 2026+7.14%
Oct 29, 20260.00%

Active installs band

10+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.91011Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9
View as table
DateDaily snapshot
Nov 9, 202610+
Nov 8, 202610+
Nov 7, 202610+
Nov 6, 202610+
Nov 5, 202610+
Nov 4, 202610+
Nov 3, 202610+
Nov 2, 202610+
Nov 1, 202610+
Oct 31, 202610+
Oct 30, 202610+
Oct 29, 202610+
Oct 28, 202610+
Oct 27, 202610+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

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Change log

From our daily snapshot of WordPress.org

No 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.

  • v3100%

Requirements & info

Version history
Version
3
Requires WordPress
3.3
Tested up to
3.5.2
Requires PHP
–
First released
Dec 30, 2012
Last updated
Mar 9, 2013
Releases, last 12 months
…

Questions about Spam Blocker S1

How many websites use Spam Blocker S1?

Spam Blocker S1 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 #45,353 most popular plugin on WordPress.org.

How many times has Spam Blocker S1 been downloaded?

1,689 times in total since 2012.

When was Spam Blocker S1 last updated?

Version 3 came out on Mar 9, 2013 (13 years ago).

Is Spam Blocker S1 compatible with the latest WordPress?

Spam Blocker S1’s readme says it’s tested up to WordPress 3.5.2, 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 Spam Blocker S1 still maintained?

Its last release was 13 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

What rating does Spam Blocker S1 have?

No one has reviewed Spam Blocker S1 on WordPress.org yet.

What are the best alternatives to Spam Blocker S1?

The plugins most like Spam Blocker S1, 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.

Starter · 1 competitor
Spam Blocker S1
Suggested:
Metric
Spam Blocker S1
Estimated installs≈ 13
Reported installs10+
Rating–
Reviews0
Total downloads1.7K
AuthorYoshimura Hiroyuki
First releasedDec 30, 2012
Version3
Requires WP3.3
Requires PHP–
Last updatedMar 9, 2013

Alternatives to Spam Blocker S1

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Spam Blocker S1 vs Akismet Anti-spamSpam Blocker S1 vs Anti-Spam, Spam FireWall by CleanTalkSpam Blocker S1 vs Cookies for Comments