內容簡介
總結：ALTCHA提供免費、開源的驗證碼替代方案，採用工作量證明機制來保護您的網站免受垃圾郵件和不需要的內容。
1. ALTCHA是否提供免費的驗證碼替代方案？
- 是的，ALTCHA提供一個免費、開源的驗證碼替代方案，並利用工作量證明機制來保護您的網站免受垃圾郵件和不需要的內容。
2. ALTCHA的Privacy功能有哪些特點？
- ALTCHA的Privacy功能包括不使用cookies和追蹤技術，保護使用者隱私，並能在自主託管模式下運作，完全不依賴外部服務。您也可以選擇使用他們的SaaS版本來使用Spam Filter API。
3. ALTCHA的模式操作有哪幾種？
- ALTCHA的插件有兩種操作模式：自主託管（完全自主運作而不需外部服務）和第三方外部服務（SaaS，需要API Key，可選擇EU或US區域）。
4. ALTCHA支援與哪些整合？
- ALTCHA支援與Contact Form 7、Forminator、GravityForms、HTML Forms、WPForms、WordPress登入、註冊、密碼重設、WordPress留言和自訂HTML整合。
5. ALTCHA的源代碼在哪裡可以找到？
- 您可以在GitHub上找到ALTCHA插件與Widget的所有源代碼，以及未壓縮的JavaScript和CSS資源版本。ALTCHA插件源碼：https://github.com/altcha-org/wordpress-plugin，ALTCHA Widget源碼：https://github.com/altcha-org/altcha。
6. ALTCHA的SaaS的隱私政策和使用條款在哪裡可以找到？
- 您可以在以下連結找到ALTCHA的SaaS隱私政策：https://altcha.org/privacy-policy，使用條款：https://altcha.org/terms-of-service。
外掛標籤
開發者團隊
📦 歷史版本下載
原文外掛簡介
ALTCHA for WordPress is the professional solution for keeping your website safe from spam, bots, and abuse — without frustrating your visitors. Unlike traditional CAPTCHAs that interrupt the user experience, ALTCHA runs silently in the background, delivering invisible, privacy-first protection for all your forms.
Whether you’re running a blog, an online store, or a high-traffic business site, ALTCHA makes sure your site stays fast, secure, and compliant.
Why ALTCHA?
Unlimited: no third-party dependencies, unlimited verifications
Privacy-first: fully GDPR-compliant and accessible by design
Invisible Protection: seamless security with no puzzles or CAPTCHAs
Analytics: detailed dashboard and activity logs
Advanced Firewall: block malicious traffic by country, IP, or user agent
Under Attack Mode: keep your site online during active threats with under attack mode
Learn more.
Perfect for Professionals
ALTCHA is designed for serious WordPress site owners who need reliable, production-grade security. It’s a complete protection layer that scales with your website, backed by professional support when you need it.
Get Started
To get started, see the documentation.
Privacy
No tracking
ALTCHA prioritizes user privacy by avoiding the use of tracking cookies and fingerprinting techniques.
No external service
This plugin runs entirely within your WordPress installation, with no reliance on external services. For advanced protection, you can integrate with ALTCHA Sentinel.
REST API
This plugin requires the WordPress REST API. If you are using any “Disable REST API” plugins, ensure that the endpoint /altcha/v1/challenge is allowed.
Supported Integrations
CoBlocks
Contact Form 7
Divi Forms
Elementor Pro Forms
Eventprime
Everest Forms
Fluent Forms
Formidable Forms
Forminator
GravityForms
HTML Forms
Kali Forms
Mailpoet
Newsletter
Ninja Forms
Noptin
Sure Forms
User Registration
WooCommerce
WP-Members
wpDiscuz
WPForms
WordPress Login, Register, Password reset
WordPress Comments
Custom integrations (with a short code [altcha])
Source Code
All source code for the plugin, and the ALTCHA widget is available on GitHub.
Plugin: https://github.com/altcha-org/altcha-wordpress-next
ALTCHA Widget: https://github.com/altcha-org/altcha
Installer: https://github.com/altcha-org/altcha-wordpress-installer
