71
SilentShield – Captcha & Anti-Spam for WordPress (CF7, WPForms, Elementor, WooCommerce)
Effective spam defense with a side of questionable code injection.
HealthyGrowing
71/100
It stops spam effectively but some users report intrusive code injection and accidental login lockouts.
Active installs
~15,000
our estimate · wp.org shows 10k+
Rating
4.7★
20 ratings
Trend · vs a year ago
+238%
Growing fast
23 → 76 installs/day
What to watch out for
- MINORreviews unevenly distributed over time
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Growing fast · +238% in the last year
23/day a year ago→76/day today
Reviews
what people actually saySilentShield is generally praised for its easy setup, strong spam protection, and responsive support, but some users report login lockouts, unwanted code injection, and occasional false-positive blocks.
What people like
- +Easy to set up
- +Effective spam protection and reliable form security×4
- +Responsive, high-quality support×4
- +GDPR / DSGVO compliant
- +Lightweight
- +Free with customizable captcha options (string length, type) and compatible with PHP 8.1 and WP 6.6.2
- +Works with multiple form plugins (Gravity Forms, Contact Form 7, WooCommerce, Elementor)×3
Common complaints
- −Can lock out users by blocking login even when login protection is disabled
- −Injects an unwanted link/branding into site code without permission
- −May block legitimate users, causing false positives
- −Captcha appears above the last form field instead of at the end
Review trustMostly organic
- 4.61★Verified rating — holds steady vs the raw 4.70★
- 10%One-shot reviewers — most reviewers are active community members
- past spikeReview timing — up to 25% of all reviews landed in a single month
Reviews per month · 5★ vs lower
2024-01-162025-04-102026-06-04
5★ reviews1–4★ reviews
All-time ratings · 20 total
Latest reviews · 20 analyzed
- 2026-05-09★★★★★Simple and effective CAPTCHA solution for Contact Form 7uwejansen1-shot
- 2026-05-04★★★★★Great pluginsolanum
- 2026-01-26★★★★★Great Plug-InNico Demus
- 2025-12-28★★★★★Finally the spam stopped!!!lyndzer1-shot
- 2025-11-10★★★★★Beware: Blocks loginmartinpelletier
- 2025-10-09★★★★★Just perfect!KnallBlauMedia
- 2025-09-23★★★★★Top-notch Supportpluggedindev
- 2025-09-22★★★★★This great protection makes my websites saferdbinda
- 2025-09-22★★★★★Great Captcha Solution with even better Supportkelmema
- 2025-09-22★★★★★Simple and effective solution – with amazing supportusernamemichael
Releases
recent versions from WordPress.org SVNAlternatives to SilentShield
Top WooCommerce plugins, ranked by score.For developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
76
Baseline · median of last 7 organic days
80
Prior 7-day baseline
70
Floor · 25th percentile over 14 days
196
Mean release-day peak (30d)
82
Latest day · 2026-06-03(organic)
-5.0%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
25%
Max month share · biggest single 30-day window
1.59
Distribution CV · <0.6 even, >1.5 bursty
90%
5★ share in analyzed sample
10%
Solo reviewers · only this one wp.org activity
-33%
Volume velocity · last 6mo vs prior 6mo
4.65 → 4.61★
Sample avg · raw → solo-filtered