Plugin Compatibility Checker vs Really Simple Security – Simple and Performant Security (formerly Really Simple SSL)

The Plugin Compatibility Checker helps you keep your WordPress site stable and secure by scanning installed plugins for PHP, Database, and WordPress version compatibility. 🆕 WordPress 7.0 Database Readiness WordPress 7.0 introduces stricter database requirements (MySQL 8.0+ / MariaDB 10.6+). Many hosting environments still run older database versions which may silently block updates. This plugin now detects database compatibility and warns you before upgrading. $1/month License Required (Entry Plan) You must subscribe to the CompatShield Portal ($1/month recurring) to obtain a license key. Once activated, you will be able to see plugin compatibility results (up to PHP 8.5) and database compatibility directly inside your WordPress admin. 📺 Video Tutorial Watch step-by-step how to activate your license & run your first scan: Quick Setup Steps 1) Subscribe → Get your license key from the Portal 2) Add your domain inside the License tab 3) Copy your License Key 4) Paste License Key inside Plugin Settings in WP Admin 5) Click Validate License 6) Click Save Settings 7) Go to Plugin Main Page → Click Rescan Pro Version (Upgrade) Upgrading to Pro unlocks the full CompatShield Portal Dashboard with advanced features — vulnerability summary, detailed scan results, notifications, historic analysis, plugin issues overview, premium ZIP upload scanning, and multi-layer compatibility intelligence including database upgrade readiness. Subscribe / Upgrade to Pro: https://www.compatshield.com/ ✨ Key Features PHP Compatibility Check – Scan plugins for PHP compatibility. $1/month license: Shows PHP compatibility results directly inside WP Plugin backend (up to PHP 8.5) Pro license: Deeper breakdowns, insights, and analysis inside Portal Dashboard Database Compatibility Check (NEW 🚀) – Detect MySQL/MariaDB version and ensure WordPress 7.0 readiness. Detects outdated MySQL (< 8.0) and MariaDB (< 10.6) Warns if hosting environment may block WordPress updates Helps prevent upgrade failures Pro: Advanced insights and upgrade recommendations Plugin Rescan – Quickly rescan whenever you install or update plugins. Email Notifications (Pro) – Get notified when scans complete or risks are detected. Portal Integration (Pro) – View full detailed results in the CompatShield Portal Dashboard. Vulnerability Summary (Pro) – Basic vulnerability insights available in the Portal. “No Data” Plugins Handling – Easily identify custom/premium plugins or removed versions not available on WordPress.org. 🔑 Entry Plan vs Pro Plan PHP Compatibility Check $1 Plan: WP Admin Results up to PHP 8.5 Pro Plan: Detailed compatibility insights in Portal Dashboard Database Compatibility Check $1 Plan: Basic DB version detection in WP Admin Pro Plan: Full upgrade readiness insights + risk analysis + recommendations Vulnerability Summary $1 Plan: Not available Pro Plan: Available in Portal Email Notifications $1 Plan: Not available Pro Plan: Available Portal Dashboard $1 Plan: Not available Pro Plan: Full access (compatibility + vulnerabilities + detailed summaries + site overview) Custom/Premium Plugins ZIP Scanning $1 Plan: Not available Pro Plan: Supported via Portal ZIP uploader

Easily improve site security with WordPress Hardening, Two-Factor Authentication (2FA), Login Protection, Vulnerability Detection and SSL certificate. Really simple, Effective and Performant WordPress Security Really Simple Security is the most lightweight and easy-to-use security plugin for WordPress. It secures your WordPress website with SSL certificate generation, including proper 301 https redirection and SSL enforcement, scanning for possible vulnerabilities, Login Protection and implementing essential WordPress hardening features. We believe that security should have the absolute minimum effect on website performance, user experience and maintainability. Therefore, Really Simple Security is: Lightweight: Every security feature is developed with a modular approach and with performance in mind. Disabled features won’t load any redundant code. Easy-to-use: 1-minute configuration with short onboarding setup. Security Features Easy SSL Migration Migrates your website to HTTPS and enforces SSL in just one click. 301 redirect via PHP or .htaccess Secure cookies Let’s Encrypt: Install an SSL Certificate if your hosting provider supports manual installation. Server Health Check: Your server configuration is every bit as important for your website security. WordPress Hardening Tweak your configuration and keep WordPress fortified and safe by tackling potential weaknesses. Prevent code execution in the uploads folder Prevent login feedback and disable user enumeration Disable XML-RPC Disable directory browsing Username restrictions (block ‘admin’ and public names) and much more.. Vulnerability Detection Get notified when plugins, themes or WP core contain vulnerabilities and need appropriate action. Login Protection Allow or enforce Two-Factor Authentication (2FA) for specific user roles. Users receive a two-factor code via Email. Improve Security with Really Simple Security Pro Protect your site with all essential security features by upgrading to Really Simple Security Pro. Advanced SSL enforcement Mixed Content Scan & Fixer. Detect files that are requested over HTTP and fix them to HTTPS, both Front- and Back-end. Enable HTTP Strict Transport Security and configure your site for the HSTS Preload list. Firewall Really Simple Security Pro includes a performant and efficient WordPress firewall, to stop bots, crawlers and bad actors with IP and username blocks. 404 blocking – Blocks crawlers as they trigger unusual numbers of 404 errors. Region blocking – Only allow/block access to your site from specific regions. Automated and customisable Firewall rules. IP blocklist and allowlist. Security Headers Security headers protect your site visitors against the risk of clickjacking, cross-site-forgery attacks, stealing login credentials and malware. Independent of your Server Configuration, works on Apache, LiteSpeed, NGINX, etc. Protect your website visitors with X-XSS Protection, X-Content-Type-Options, X-Frame-Options, a Referrer Policy and CORS headers. Automatically generate your WordPress-tailored Content Security Policy. Vulnerability Measures When a vulnerability is detected in a plugin, theme or WordPress core you will get notified accordingly. With Vulnerability Measures, you can configure simple but effective measures to make sure that a critical vulnerability won’t remain unattended. Force update: An update process will be tried multiple times until it can be assumed development of a theme or plugin is abandoned. You will be notified during these steps. Quarantine: When a plugin or theme can’t be updated to solve a vulnerability, Really Simple Security can quarantine the plugin. Advanced Site Hardening Choose a custom login URL Automated File Permissions check and fixer Rename and randomize your database prefix Change the debug.log file location to a non-public folder Disable application passwords Control admin creation Disable HTTP methods, reducing HTTP requests Login Protection Secure your website’s login process and user accounts with powerful security measures. Two-Step verification (Email login) 2FA (two factor authentication) with TOTP Passwordless login with passkey login Enforce strong passwords and frequent password change Limit Login Attempts With Limit Login Attempts you can configure a threshold to temporarily or permanently block IP addresses or (non-existing) usernames. You can also throw a CAPTCHA after a failed login (hCaptcha or Google reCaptcha) Access Control Restrict access to your site for specific regions. Add specific IP addresses or IP ranges to the Blocklist or Allowlist. Useful Links Documentation Security Definitions Translate Really Simple Security Issues & pull requests Feature requests Love Really Simple Security? If you want to support the continuing development of this plugin, please consider buying Really Simple Security Pro, which includes some excellent security features and premium support. About Really Simple Plugins Our mission is to make complex WordPress requirements really easy. Really Simple Security is developed by Really Simple Plugins. For generating SSL certificates, Really Simple Security uses the le acme2 PHP Let’s Encrypt client library, thanks to ‘fbett’ for providing it. Vulnerability Detection uses WP Vulnerability, an open-source initiative by Javier Casares. Want to join as a collaborator? We’re on GitHub as well!