Question2Answer

Category - Comment Systems

Question2Answer (Q2A) is a popular open source Q&A platform for PHP/MySQL.

Technology usage statistics

Websites using Question2Answer 197 websites
Most popular in the country United States of America
Market position in Comment Systems #5
Market share in Comment Systems 0.51%
Most popular version 1.7.4

Technology adoption

Recent changes in Question2Answer usage. (See Question2Answer Usage Changes report)
Websites that added Question2Answer +30
Websites that dropped Question2Answer -8

Distribution by websites popularity

Question2Answer detection in the top websites by popularity
Top 10k sites 0 websites
Top 100k sites 4 websites
Top 1m sites 24 websites

Websites utilizing Question2Answer

Top websites that use Question2Answer

Domain Country Rank Contacts
askarabs.com United States of America 16,422
ellennation.com United States of America 28,180
www.denizcisorucevap.com Germany 62,494
www.sorsoyleyelim.com France 67,102
question2answer.org Netherlands 128,132
www.koees.com United States of America 174,190
See full domain list

Market Share

Question2Answer market share within the Comment Systems category

Geographical Distribution

Technology usage distribution by websites across the globe.






Versions (by popularity)

  • 1.7.4 (24.56%)
  • 1.7.5 (17.54%)
  • 1.7.0 (15.79%)
  • 1.7.2 (10.53%)
  • 1.7.1 (8.77%)
  • 1.6.2 (7.02%)
  • 1.5.4 (7.02%)
  • 11.7.1 (1.75%)
  • 1.7.3 (1.75%)
  • 1.6.3 (1.75%)

See all 12 versions ...

Always Used together


PHP: Total 4,097,300 domains found using PHP
Category - Programming Languages. 5,392,167 domains found using Programming Languages


Question2Answer often used together with


Category - Programming Languages.
PHP is used together with Question2Answer on 254 domains. Total 4,097,300 domains found using PHP
Category - JavaScript Libraries.
jQuery is used together with Question2Answer on 222 domains. Total 4,244,363 domains found using jQuery
Category - Document Standards.
JavaScript is used together with Question2Answer on 198 domains. Total 6,905,876 domains found using JavaScript
Category - Document Encoding.
UTF-8 is used together with Question2Answer on 197 domains. Total 8,492,902 domains found using UTF-8
Category - Mobile.
Viewport Meta is used together with Question2Answer on 158 domains. Total 5,208,980 domains found using Viewport Meta
Category - Document Standards.
Description Meta is used together with Question2Answer on 111 domains. Total 3,796,850 domains found using Description Meta


Alternative Technologies


Disqus: Total 36,524 domains found using Disqus
IntenseDebate: Total 384 domains found using IntenseDebate
Livefyre: Total 703 domains found using Livefyre
Qualtrics: Total 507 domains found using Qualtrics