⚡ Spam Protection in Hong Kong

Anti-spam software is a variety of tools that protect websites from automated bots and malicious content.

Hong Kong is an East Asian special administrative region of China with a population of around 7.5 million people.

According to our statistics, spam protection software is used on 13.8% of websites from Hong Kong.

⭐ Most Popular in 2026

The following chart shows the top spam protection software in Hong Kong in 2026, based on market share.

The most popular is hCaptcha with an impressive share of 37.2%, followed by reCAPTCHA with 32.3% and Cloudflare Email Obfuscation with 31.9%.

🚀 Highlights

Here is a list of the top solutions that is more popular in Hong Kong than worldwide.
Differences between global and country rankings are shown in parentheses.

✨ Best Spam Protection Software

Below is a more detailed list of 12 spam protection software solutions used on sites from Hong Kong, ranked by their market share.

RankNameMarket share
1
hCaptcha
San Francisco, California, United States

A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA.

Free$99+/month
2
reCAPTCHA
Mountain View, California, United States

A Google service that protects websites from spam, fraud, and automated abuse by distinguishing human users from bots.

Free tier$8+/month
3
Cloudflare Email Obfuscation
San Francisco, California, United States

A Cloudflare Scrape Shield security feature that encrypts email addresses in HTML to hide them from harvesting bots and keep them visible and clickable for human visitors.

Free$25+/month
4
Cloudflare Turnstile
San Francisco, California, United States

A user-friendly CAPTCHA alternative that verifies human visitors without requiring them to solve interactive puzzles or identify objects.

Free$$$
5
Akismet
San Francisco, California, United States

A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums.

Free$14.95/month
6
CleanTalk
Carson City, Nevada, United States

A cloud-based anti-spam service that protects websites from automated spam in online forms, comments, and registrations.

$12+/year
7
Altcha
Brno, Czech Republic

An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs, and online services from spam and unwanted content.

FreeOpen source€99+/month
8
Tencent Captcha
Shenzhen, China

Provides web and app developers with comprehensive human verification services through slider CAPTCHAs.

Free tier$0.005+
9
GeeTest
Wuhan, China

A Chinese bot management and CAPTCHA platform that uses behavioral analysis, machine learning, and device fingerprinting to distinguish human users from automated traffic.

$$$
10
MTCaptcha
Mountain View, California, United States

An enterprise captcha service that provides bot detection and human verification with a focus on GDPR compliance and accessibility.

Free$29+/month
11
Yidun Captcha
Hangzhou, China

A captcha service provided by the Chinese company NetEase.

12
Friendly Captcha
Woerthsee, Germany

A European captcha service that protects websites from bots and automated abuse while prioritizing user privacy, security, and accessibility.

Free€9+/month

👉 See Also

🗃️ About This Data