Web performance, performance audits, optimization, debugging;
SEO, onsite, offsite, best practices, reputation building, link building.
Tools of choice: python, bash, awk, all other commandline linux tools.
Q&A for professional and enthusiast programmers
Q&A for power users of web applications
Q&A for Drupal developers and administrators
Q&A for computer enthusiasts and power users
Q&A for pro webmasters
Q&A for Ubuntu users and developers
Q&A for WordPress developers and administrators
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Q&A for power users of Apple hardware and software
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Q&A for apps, scripts, and development with the Stack Exchange API
Q&A for Information security professionals
Q&A for system and network administrators
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field