Cloudflare vs Really Simple SSL

Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.

Feature Cloudflare v4.14.5 · checked 23 Oct 2026 Free · ★ 3.5/5 Visit Details Really Simple SSL v9.8.3 · checked 23 Oct 2026 Free + paid · ★ 4.9/5 Visit Details
At a glance
Active installs 200,000+ 3M+
Last updated October 5, 2026 September 15, 2026
Editions Cloudflare Really Simple Security · Really Simple Security Pro ($)
Pros Purges Cloudflare cache when content changes; Free plugin that works with Cloudflare's free plan; Optional APO integration for edge HTML caching One-click HTTPS migration with 301 redirects; Hardening options such as XML-RPC and user enumeration; Email two-factor login for chosen roles in the free version
Cons APO HTML caching costs extra beyond the free plan; Useful only when the domain already uses Cloudflare; Only useful for domains served through Cloudflare Captcha, authenticator 2FA, passkeys and firewall need Pro; Vulnerability checks send plugin and theme names to a remote service; Many settings screens to review after setup
Mentioned in our posts — 1
Features (Security plugins checklist)
Firewall — Paid
Malware scan — No
Login protection — Yes
Two-factor login — Yes
Activity log — No
Free version — Yes
More features
Other features Purge Cloudflare cache when posts or comments change, Automatic Platform Optimization (APO) edge HTML caching ($), HTTP/2 preload and resource hints, Settings page under the Settings menu One-click HTTPS migration and redirects, Vulnerability detection for plugins, themes and core, Email two-factor login for roles, WordPress hardening options, Authenticator app two-factor login ($), Captcha on login (reCAPTCHA or hCaptcha) ($)
Integrations
Marketing — Really Simple Security mailing list
Other Cloudflare API Cloudways API, SSL Labs, Really Simple Security vulnerability service, Google reCAPTCHA ($), hCaptcha ($)
Requires WordPress 6.7 6.6
Requires PHP 7.4 7.4
Tested up to 7.1.2 7.1
Phones home No No
External services api.cloudflare.com, partners.cloudflare api.cloudways.com, api.ssllabs.com