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Anti-Captcha (anti-spam botblocker)

v20141103

by filiw · updated 9 years ago

Anti-Captcha is a transparent spam solution that does not require any end-user interaction.

anti-captchaanti-spamblockerfilterspam
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#6,620
Up9 vs yesterday
Active installs (est.)
≈ 1,220
1K+ reported · High
Total downloads
88.5K
88,484 all-time
Rating
4.2/5
5 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +70% (30d)·Toward 2K+ · ETA ~28d

Anti-Captcha (anti-spam botblocker) at a glance

Anti-Captcha (anti-spam botblocker) is a WordPress plugin by filiw with 1K+ active installs, the #6,620 most popular plugin on WordPress.org. On a typical day it’s downloaded about 10 times, 70% more than the month before. It’s rated 4.2 out of 5 from 5 reviews. Version 20141103 came out on Nov 28, 2017, more than 8 years ago. It is tested up to WordPress 4.0.0. It leads the 12 plugins tagged “blocker”. It was first released in 2009.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

258 downloads · the last 30 days

Downloads over time
Anti-Captcha (anti-spam botblocker) Compare series
Downloads over time: 30 days across 1 series.51015Oct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7
View as table
DateAnti-Captcha (anti-spam botblocker)
Nov 7, 202613
Nov 6, 20269
Nov 5, 20263
Nov 4, 20265
Nov 3, 202610
Nov 2, 202616
Nov 1, 202618
Oct 31, 20269
Oct 30, 20265
Oct 29, 20268
Oct 28, 20266
Oct 27, 202610
Oct 26, 202615
Oct 25, 202613
Oct 24, 20269
Oct 23, 20265
Oct 22, 202610
Oct 21, 202611
Oct 20, 20267
Oct 19, 202614
Oct 18, 20262
Oct 17, 20267
Oct 16, 20268
Oct 15, 20266
Oct 14, 20269
Oct 13, 20269
Oct 12, 20262
Oct 11, 20266
Oct 10, 20267
Oct 9, 20266

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 1,220 · -2.0% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.1.2K1.2K1.2K1.2KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8
View as table
DateEstimated installs
Nov 8, 20261,220
Nov 7, 20261,217
Nov 5, 20261,220
Nov 4, 20261,219
Nov 3, 20261,216
Nov 2, 20261,217
Nov 1, 20261,219
Oct 31, 20261,219
Oct 30, 20261,219
Oct 29, 20261,212
Oct 28, 20261,214
Oct 27, 20261,245

Rank over time

#6,620 · up 33 in the last 30 days

Popular rank
Popular rank: 13 days across 1 series.#6.6K#6.6K#6.7KOct 27Oct 29Oct 31Nov 2Nov 4Nov 6Nov 8
View as table
DateDaily snapshot
Nov 8, 2026#6,620
Nov 7, 2026#6,629
Nov 6, 2026#6,621
Nov 5, 2026#6,619
Nov 4, 2026#6,627
Nov 3, 2026#6,626
Nov 2, 2026#6,628
Nov 1, 2026#6,623
Oct 31, 2026#6,624
Oct 30, 2026#6,628
Oct 29, 2026#6,660
Oct 28, 2026#6,663
Oct 27, 2026#6,653

Growth %

Average -0.17% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-2%0%2%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026+0.25%
Nov 7, 2026-0.12%
Nov 5, 2026+0.08%
Nov 4, 2026+0.25%
Nov 3, 2026-0.08%
Nov 2, 2026-0.16%
Nov 1, 20260.00%
Oct 31, 20260.00%
Oct 30, 2026+0.58%
Oct 29, 2026-0.17%
Oct 28, 2026-2.49%

Active installs band

1K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 13 days across 1 series.9501K1.1KOct 27Oct 29Oct 31Nov 2Nov 4Nov 6Nov 8
View as table
DateDaily snapshot
Nov 8, 20261K+
Nov 7, 20261K+
Nov 6, 20261K+
Nov 5, 20261K+
Nov 4, 20261K+
Nov 3, 20261K+
Nov 2, 20261K+
Nov 1, 20261K+
Oct 31, 20261K+
Oct 30, 20261K+
Oct 29, 20261K+
Oct 28, 20261K+
Oct 27, 20261K+

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.

  • v2014110394%
  • Other5.9%

Rating trend

4.2★★★★★5 reviews · steady in the last 30 days

Requirements & info

Version history
Version
20141103
Requires WordPress
2.8.4
Tested up to
4.0.0
Requires PHP
–
First released
Aug 22, 2009
Last updated
Nov 28, 2017
Releases, last 12 months
…

Questions about Anti-Captcha (anti-spam botblocker)

How many websites use Anti-Captcha (anti-spam botblocker)?

Anti-Captcha (anti-spam botblocker) is active on 1K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #6,620 most popular plugin on WordPress.org.

How many times has Anti-Captcha (anti-spam botblocker) been downloaded?

88,484 times in total since 2009. On a typical day it’s downloaded about 10 times. See download stats

When was Anti-Captcha (anti-spam botblocker) last updated?

Version 20141103 came out on Nov 28, 2017 (8 years ago). See every release

Is Anti-Captcha (anti-spam botblocker) compatible with the latest WordPress?

Anti-Captcha (anti-spam botblocker)’s readme says it’s tested up to WordPress 4.0.0, 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.

Does Anti-Captcha (anti-spam botblocker) have known security vulnerabilities?

No. WPVulnerability’s database lists no known vulnerabilities for Anti-Captcha (anti-spam botblocker). See its security record

Is Anti-Captcha (anti-spam botblocker) still maintained?

Its last release was 8 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

What rating does Anti-Captcha (anti-spam botblocker) have?

4.2 out of 5 from 5 reviews on WordPress.org. 80% of them give 5 stars.

What are the best alternatives to Anti-Captcha (anti-spam botblocker)?

The plugins most like Anti-Captcha (anti-spam botblocker), by the tags they share, are Akismet Anti-spam (5M+), Anti-Spam, Spam FireWall by CleanTalk (200K+) and Gravity Forms Zero Spam (100K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.2

★★★★★

5 reviews

  • 5 stars: 4 reviews, 80%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 1 reviews, 20%
Positive
80%4–5★
Mixed
0%3★
Critical
20%1–2★
  • About 1 more 5★ reviews would lift it to 4.3.
  • Each new 1★ review takes 4 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Anti-Captcha (anti-spam botblocker)
Suggested:
Metric
Anti-Captcha (anti-spam botblocker)
Estimated installs≈ 1,220
Reported installs1K+
Rating4.2
Reviews5
Total downloads88.5K
Authorfiliw
First releasedAug 22, 2009
Version20141103
Requires WP2.8.4
Requires PHP–
Last updatedNov 28, 2017

Alternatives to Anti-Captcha (anti-spam botblocker)

Compare all alternatives

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

Side by side:Anti-Captcha (anti-spam botblocker) vs Akismet Anti-spamAnti-Captcha (anti-spam botblocker) vs Anti-Spam, Spam FireWall by CleanTalkAnti-Captcha (anti-spam botblocker) vs Gravity Forms Zero Spam