🆚 AddThis vs. KeyCAPTCHA
- 📈 AddThis is much more popular than KeyCAPTCHA.
- 🌍 AddThis is more popular in all countries.
- ⭐ KeyCAPTCHA is particularly popular in Russia.
Statistics based on 3.5M+ analyzed websites. About this data
AddThis
KeyCAPTCHAType
Legacy technology
Legacy technology
About
AddThis was a social bookmarking service that discontinued its services on May 31, 2023.
KeyCAPTCHA was a jigsaw puzzle captcha service with plugins for 19 popular content management systems. It operated from 2010 until its shutdown in September 2025.
Headquarters
Austin, Texas, United States
Russia
Pricing
Free ✔️
Free version ✔️
Magnetic CAPTCHA$2+/month
Personal CAPTCHA$2+/month
M+ CAPTCHA$2+/month
Unbranded$2+/month
Popularity
Determined by the number of sites using each technology.
AddThis legacy technology is 13,651 times more popular than KeyCAPTCHA.
Total websites
Market share
Legacy
Popularity by country
Determined by the number of sites detected from each country.
AddThis is more popular than KeyCAPTCHA in all countries.
United States
United Kingdom
France
Italy
Netherlands
Brazil
Spain
Canada
Australia
Germany
Awards
- 🥈 Second most popular in Jordan in the Legacy category.
- 🥉 Third most popular in Mongolia in the Legacy category.
- ⭐ 5th most popular in the United Kingdom in the Legacy category.
- ⭐ 5th most popular in the Netherlands in the Legacy category.
- ⭐ 5th most popular in Brazil in the Legacy category.
Popularity by domain category
Determined by the number of sites in each category.
AddThis is more popular than KeyCAPTCHA in all market segments.
Business
Online Shopping
Marketing/Merchandising
Blogs/Wiki
Education/Reference
Entertainment
Travel
Health
Internet Services
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Google URL Shortener
Messenger Customer Chat
Skype
Google Funding Choices
Perfect Money
Oracle company profile🗃️ 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 3,531,795 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.