🆚 Akismet vs. Yidun Captcha

Compare technologies based on real-world usage data *
Akismet
Yidun Captcha

Type

Spam protection software solution
Captcha service

About

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

Yidun is a captcha service provided by the Chinese company NetEase.

Headquarters

San Francisco, California, United States
Hangzhou, China

Website

akismet.com #119,026
dun.163.com/locale/en

Pricing

Free version ✔️Personal use only
$14.95/month

Categories

Spam Protection › Rank #5
Spam Protection › Rank #13
Captchas › Rank #11

Popularity

Determined by the number of sites using each technology.

The Akismet spam protection software solution is 186 times more popular than Yidun Captcha.
Total websites

Market share

Spam Protection

Popularity by country

Determined by the number of sites detected from each country.

Akismet is more popular in the United States, the United Kingdom, and Australia, while Yidun Captcha is more popular in China.
United States
United Kingdom
Australia
Spain
Netherlands
Canada
France
Italy
Brazil
Germany

Awards

Popularity by domain category

Determined by the number of sites in each category.

Akismet is more popular than Yidun Captcha in all market segments.
Business
Marketing/Merchandising
Blogs/Wiki
Internet Services
Health
Education/Reference
Non-Profit/Advocacy/NGO
Travel
Real Estate
Online Shopping

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#1,888
#5,839
#6,016
#6,161
#7,606
View more ➝
Name
Rank
#107,597
#107,862
#118,316
#125,038
#182,424
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.