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② 後台搜尋「Terminbuchung & Kontakt-Button – Delta Booking Button」→ 直接安裝（推薦）
原文外掛簡介
Delta Booking Button macht aus deiner WordPress-Seite ein self-hosted Online-Terminbuchungs-System mit einem schwebenden Buchungs- und Kontakt-Button. Gebaut für lokale Dienstleister – Friseure, Coaches, Praxen, Kanzleien und Agenturen –, die Termine online annehmen wollen, ohne die Daten ihrer Kunden an einen externen Anbieter zu geben. Buchung, Erinnerungen und Kalender laufen komplett auf deinem Server: kein externer Buchungsdienst, kein CDN, kein IP-Leak.
Appointment Booking
Event Types — unlimited appointment types with custom duration, buffer time, working hours, and custom questions
Booking Popup — clean calendar with date and time-slot selection, opened from the floating button
Auto-Reminders — confirmation and 24h reminder email with an ICS calendar file attached, sent via WP-Cron
Self-Service Reschedule — token-based link, no login required for your client
External Calendar Sync (optional) — read busy times from an iCal/Google/Outlook feed to block double-bookings
Timezone Support — UTC storage, visitor-local display, DST-safe
Floating Button & CTA
Three Button Types — Single Button, Multi-Action FAB, Chat Widget
369 Icons — Social, UI, E-Commerce, Brands, Arrows, Navigation (local SVG sprite, no CDN)
Smart Triggers — Time-based, Scroll Depth, Exit-Intent, Device, User State, URL Conditions
Action Types — booking, WhatsApp, Telegram, phone, SMS, email, links and webhooks
Conversion Tracking
Behavioral Tracking — Impressions, Clicks, Hover-Intent, Rage-Click Detection, Conversion Events
Funnel Analytics — Impression > Hover > Click > Conversion with drop-off rates
UTM Tracking — source/medium/campaign/content/term per click
Privacy & Self-Hosting (GDPR)
Everything runs on your own WordPress install — no third-party booking provider
All assets (CSS, JS, 369 SVG icons) are bundled locally — no CDN, no external requests
IP anonymization on by default; right-to-deletion endpoint included
Cookie-consent auto-detect: Borlabs Cookie, Cookiebot, Real Cookie Banner, Complianz — tracking starts only AFTER explicit consent
Email runs through your own wp_mail() configuration — no external email API
Performance
Conditional Loading — assets only on pages with active buttons
GPU-accelerated animations
Frontend bundle < 18 KB gzipped
Custom DB tables (no wp_options spam)
Security
Nonce validation on all admin endpoints
Rate limiting (60 events/min/session)
Honeypot + time-check anti-spam
IP anonymization by default
More from us
Need forms too? Try our free Ultimate Form plugin — a drag-and-drop form builder with conditional logic, multi-step forms, spam protection and GDPR-friendly entry management. Learn more: https://delta-web-solution.de/ultimate-form
External Services
This plugin does not contact any external server for updates, telemetry, license verification, or analytics, and bundles all assets (CSS, JS, SVG icons) locally (no CDN). It connects to an external service only in the one optional, admin-controlled case described below.
External calendar (iCal) sync — optional, off by default
If — and only if — you enter an external calendar feed URL (an iCal/ICS link such as a Google Calendar, Microsoft Outlook, or Apple iCloud secret iCal address) for an appointment type, the plugin fetches that URL from your server to read busy times, so slots already taken in that calendar are blocked against double-booking.
What is sent and when: a standard HTTP GET request to the exact URL you configured, performed while the booking calendar computes available slots (the result is cached for about 15 minutes). No data about your site, visitors, or bookings is transmitted — the plugin only reads the calendar. If no iCal URL is configured, no request is ever made.
Where: the request goes only to the calendar provider whose URL you entered. Please review that provider’s terms and privacy policy, for example Google Calendar (https://policies.google.com/terms, https://policies.google.com/privacy), Microsoft (https://www.microsoft.com/servicesagreement, https://privacy.microsoft.com/privacystatement) or Apple iCloud (https://www.apple.com/legal/internet-services/icloud/, https://www.apple.com/legal/privacy/).
Email and messenger links (no third-party servers)
Email (booking confirmations and reminders) is sent with WordPress’s built-in wp_mail() and your own server configuration. No external email API is used. ICS calendar files are generated locally and attached.
WhatsApp, Telegram and other messenger buttons generate standard https://wa.me/ and https://t.me/ links that open in the visitor’s own browser. The plugin sends no data to those services server-side.
If you configure a webhook action (admin-only), the destination URL is entirely under your control; no default webhook endpoint is pre-configured.
Privacy
Delta Booking Button captures anonymized interaction data for button performance analysis. No personal data is stored without explicit user consent. IP addresses are anonymized by default (last octet removed). Cookie consent is automatically respected through common consent plugins. A full privacy policy suggestion is registered in the WordPress privacy tool.
