SilentShield – Captcha & Anti-Spam for WordPress (CF7, WPForms, Elementor, WooCommerce)

80 Quality Score

Active Installs

18/30

With 10,000 active installs, SilentShield has a moderate user base that is noticeably smaller than top competitors like CleanTalk's 200,000 installs.

Update Freshness

25/25

Last updated June 2026 and tested against WordPress 7.0, the plugin shows very active upkeep from the developer.

User Rating

14/15

A 94 out of 100 score from 20 reviewers is strong, though the small sample size means the rating could shift with more feedback.

Support Health

8/15

Only 2 support threads exist and both are resolved, which is positive but the tiny volume makes it hard to judge long-term responsiveness.

WP Compatibility

15/15

Full marks for requiring PHP 7.4 and supporting WordPress 5.2 through 7.0, covering the vast majority of current installations.

Scores higher than 75% of indexed plugins

About

SilentShield – the invisible shield against spam. Spam is the weed of the internet. It clogs your forms, steals your time, and corrupts your data.

Active Installs 10k+

Rating ★★★★½ 4.7/5

Last Updated 2026-09-24 1:32pm GMT

Requires WordPress 5.2+

Tested Up To 7.0.6

Requires PHP 7.4+

Security History

1 known vulnerability, all patched

1 Medium

Most recent: October 3, 2023

View details ▸

What It Does

SilentShield adds invisible anti-spam protection to WordPress forms, covering Contact Form 7, WPForms, Elementor, WooCommerce, and Fluent Forms. It works silently in the background, so legitimate visitors never see a captcha challenge. The plugin also includes honeypot techniques to catch bots before submissions reach your inbox.

Who It's For

This plugin is a good fit for small businesses, professional services, and e-commerce sites that rely on contact, booking, or inquiry forms and want spam protection without annoying real users with puzzles. It is especially useful if you run multiple form plugins and want one solution to cover them all. Nonprofits, real estate agencies, and healthcare practices that handle sensitive lead capture will appreciate the frictionless experience for visitors.

Who Should Skip It

If you run a high-traffic blog or content site where comment spam is your main concern, a dedicated comment-focused plugin will serve you better. Also skip this if you need visible challenge-based captchas for compliance reasons, since SilentShield is deliberately invisible.

The Bottom Line

SilentShield delivers solid, multi-form spam protection with a 79.51 quality score, strong maintenance, and excellent compatibility, though its smaller install base means less community track record than alternatives. It is a sensible choice for sites that want invisible protection across CF7, WPForms, and WooCommerce without forcing visitors to solve puzzles. If you need battle-tested scale or visible challenge options, look at CleanTalk or hCaptcha instead.

Pick CleanTalk if you want a cloud-based firewall that blocks spam before it even reaches your forms, across comments and registrations too.

hCaptcha for WP 91/100

Pick hCaptcha if you prefer a visible but privacy-friendly challenge that pays website owners and avoids Google tracking.

Simple CAPTCHA with Cloudflare Turnstile 90/100

Pick Cloudflare Turnstile if you want a free, low-friction challenge backed by Cloudflare and you do not mind a visible widget on some forms.

CF7 Apps – Honeypot, Database, Redirection, Webhook, and Addons for Contact Form 7 90/100

Pick CF7 Apps if you only use Contact Form 7 and want honeypot plus extra addons like database storage and webhooks in one bundle.

Disable Comments – Remove Comments & Stop Spam [Multi-Site Support] 88/100

Pick Disable Comments if your real problem is comment spam rather than form spam and you simply want to turn comments off entirely.