Google Analytics
Service for creating detailed statistics of the websites' visitors.
Yandex.Metrika
Service of Yandex for website traffic estimation and user behavior analysis.
Optimizely
Platform for A/B testing.
Amplitude
An analytics platform that aims to show the "behavioral layer" of user data.
Mixpanel
System for analytics and user behavior analysis.
R
A computing environment developed by scientists for data processing, mathematical modeling and graphics work, and a programming language.
R-Studio
Free, open-source software development environment for the R programming language.
SQL
A programming language used to create, modify and manage data in a relational database managed by an appropriate database management system.
PostgreSQL
Free object-relational database management system.
NumPy
The open-source library for the Python programming language.
Hadoop
A set of utilities, libraries and a framework for developing and executing distributed programs running on clusters of hundreds or thousands of nodes.
Python
A general purpose programming language focused on improving developer performance and code readability.
MongoDB
Document-oriented, open-source database management system that requires no table schema description.
MapReduce
Distributed Computing, introduced by Google, used for parallel computing over very large, up to several petabytes, data sets in computer clusters.
pandas
Python software library for data processing and analysis.
A/B tests
A marketing research method in which the essence is that a control group of items is compared to a set of test groups in which one or more indicators have been changed to see which changes improve the target.
