Modern Hotel Booking vs Really Simple Security – Simple and Performant Security (formerly Really Simple SSL)

Modern Hotel Booking is a hotel booking plugin for WordPress that lets vacation rental owners, B&B hosts, guesthouse managers and boutique hoteliers accept direct bookings on their own website — with zero OTA commission fees. Built as a complete direct booking engine with a real-time availability calendar, AI-powered guest concierge and full page builder support, it replaces the need for costly OTA platforms like Airbnb or Booking.com. 💰 Direct Bookings — Keep 100% of Your Revenue Per-Night Booking Engine — Optimized for hotels, guesthouses, bed and breakfasts and vacation rentals Color-Coded Availability Calendar — Real-time room availability as a Gutenberg block, shortcode or Elementor widget Zero Commission — Accept direct room reservations on your WordPress site without paying 15–25% OTA fees Manual & Automated Availability — Free manual date blocking + Pro automated 2-way iCal sync with Airbnb, VRBO & Google Calendar 🤖 AI Concierge — 24/7 Virtual Receptionist The first hotel booking plugin with a built-in AI Concierge. Your 24/7 virtual front desk answers guest inquiries about room availability, amenities, pricing, check-in policies and house rules — then guides guests through booking. Connect your own free Google Gemini or OpenAI API key with zero ongoing fees. 📋 Free Core Features Property & Room Management Unlimited room types and room units with base per-night pricing and guest capacity Flexible min/max night stay rules, globally or per room Manual date blocking and offline guest booking creation Same-day turnover logic for check-in and check-out management Page Builder & Theme Compatibility 8 native Gutenberg blocks — Booking Form, Room Calendar, Room Grid, Company Profile, WhatsApp Chat, Bank Transfer, Revolut Pay, AI Concierge Full shortcode support — [mhbo_booking_form], [mhbo_room_calendar], [mhbo_room_grid], [mhbo_company_profile] 3 optional Elementor widgets with visual controls and live editor preview Works with any WordPress theme — Block themes, Classic editor, Divi, Beaver Builder, and more Guest Communication & Payments AI Concierge chatbot with 13 native WP 7.0 Abilities in 15+ languages Custom HTML email templates for booking confirmation notifications Offline payments — Pay on Arrival, Bank Transfer, Revolut Pay link/QR, WhatsApp inquiry Privacy & Performance Zero-trace architecture — all data stored locally in your WordPress database, no external tracking Multilingual — WPML 4.x/5.x, Polylang, Bogo and qTranslate-X compatible with 15 localized languages High-concurrency MySQL locking (GET_LOCK) to prevent double-booking 🏆 Pro Features Online Payments & Channel Management Stripe (Credit Cards, Apple Pay, Google Pay, 3D Secure), PayPal and Braintree (3DS2) payment gateways Automated 2-way iCal sync — Airbnb, VRBO, Szallas.hu, Travelminit, Google Calendar and any iCal feed Deposit payments — percentage or fixed amount at checkout Dynamic Pricing & Promotions Seasonal rates for date ranges, holidays, and peak seasons Weekend price multipliers for Friday and Saturday Extra guest and child tier pricing Coupon and promo code engine integrated with AI Concierge Visual calendar editor for bulk rate and stay rule management Analytics, Invoicing & Compliance Business intelligence dashboard — ADR, RevPAR, Occupancy Rate and revenue charts Professional HTML and PDF invoicing with VAT inclusive/exclusive tax breakdowns GDPR compliance suite with consent checkboxes and automated PII erasure Zero-trust AI identity verification with 6-digit OTP email for returning guests Official Documentation | Pro Features & Licensing | Privacy Policy | GitHub 🏡 Who Is This For? Guesthouses — per-night booking logic, WhatsApp inquiry and professional invoicing Bed & Breakfasts — min/max stay rules, email automation, AI Concierge guest support Vacation Rentals — standalone property management with zero OTA commission dependency Cabins & Cottages — seasonal pricing, deposit payments and iCal sync Boutique Hotels — multi-room availability engine with real-time booking calendar Quick Start in 5 Steps Hotel Booking > Room Types — Create your room or unit categories with base price and capacity Hotel Booking > Rooms — Add individual rooms or units and assign each to a Room Type Hotel Booking > Settings > General — Select your Booking Page from the dropdown Edit any page — Add the Hotel: Booking Form Gutenberg block, shortcode [mhbo_booking_form] or optional Elementor widget (Optional) Hotel Booking > Settings > AI — Paste your free Google Gemini API key to activate your AI Concierge instantly Credits Open-source libraries bundled locally — no external CDN requests: FullCalendar v7.0.2 — MIT License — fullcalendar.io Chart.js v4.5.1 — MIT License — chartjs.org Flatpickr v4.6.13 — MIT License — flatpickr.js.org Privacy Policy Modern Hotel Booking does not collect or transmit guest or admin data to our servers. All booking data is stored locally in your WordPress database. AI Concierge: When enabled, guest messages and property context are sent to your configured AI provider (Google Gemini or OpenAI) to generate responses. Conversation context is stored as WordPress Transients for up to 2 hours then automatically deleted. No PII is permanently stored by this plugin. Rate Limiting: Anonymised per-IP request counts are stored as Transients (2-minute TTL) to prevent abuse. No IP addresses are permanently saved. See our full Privacy Policy. External Services All connections are optional and only active when configured by the administrator: WhatsApp — Communication links only. Privacy Policy Revolut — Payment links and QR codes. Privacy Policy Google Gemini / OpenAI — AI Concierge responses during active chat only. Google Privacy | OpenAI Privacy Pro version only: Stripe — Card, Apple Pay, Google Pay processing. Privacy Policy PayPal — Account payment processing. Privacy Policy Braintree — Credit Card & Debit Card processing. Privacy Policy iCal Sync — Reads public calendar feeds. No data sent to our servers. StartMySuccess — License verification and Pro updates. Privacy Policy

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!