⚡ Spam Protection in Vietnam

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

Vietnam is a Southeast Asian country with a population of over 99 million people.

According to our statistics, spam protection software is used on 20.4% of websites from Vietnam.

Statistics based on 28K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Cloudflare Email Obfuscation with an impressive share of 55.5%, followed by reCAPTCHA with 41.1% and Cloudflare Turnstile with 4.5%.

Cloudflare Email Obfuscation 55.5%
reCAPTCHA 41.1%
Cloudflare Turnstile 4.5%
Akismet 4.2%
hCaptcha 4%
CleanTalk 0.5%
GeeTest 0.03%
Altcha 0.03%
Friendly Captcha 0.02%
Yidun Captcha 0.02%
Yandex SmartCaptcha 0.02%
BitNinja 0.02%

🚀 Highlights

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

1. Cloudflare Email Obfuscation ^(-1)
3. Cloudflare Turnstile ^(-1)
4. Akismet ^(-1)
7. GeeTest ^(-3)
8. Altcha ^(-1)
10. Yidun Captcha ^(-3)
12. BitNinja ^(-2)

✨ Best Spam Protection Software

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

Rank	Name	Market share
1	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	55.5%
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	41.1%
3	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$$$	4.5%
4	Akismet San Francisco, California, United States A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums. Free$14.95/month	4.2%
5	hCaptcha San Francisco, California, United States A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA. Free$99+/month	4%
6	CleanTalk Carson City, Nevada, United States A cloud-based anti-spam service that protects websites from automated spam in online forms, comments, and registrations. $12+/year	0.5%
7	GeeTest Wuhan, China A Chinese bot management and CAPTCHA platform that uses behavioral analysis, machine learning, and device fingerprinting to distinguish human users from automated traffic. $$$	0.03%
8	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	0.03%
9	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	0.02%
10	Yidun Captcha Hangzhou, China A captcha service provided by the Chinese company NetEase.	0.02%
11	Yandex SmartCaptcha Moscow, Russia A captcha and bot protection service from the Russian technology company Yandex. Free tier$0.80	0.02%
12	BitNinja Debrecen, Hungary A server security suite with a centralized dashboard containing an AI-powered Linux malware scanner, IP reputation, WAF, and spam detection. Free$5+/month	0.02%

👉 See Also

🌎 Spam Protection in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 28,022 websites from Vietnam.
We currently track the presence of 18 spam protection software solutions across the web.
Of these, 12 were detected on websites from Vietnam.
Statistics were last calculated on September 27, 2026.
For more details, see our methodology and disclaimer.