Joeri Abbo

Joeri Abbo

Courses Plus Student

Rotterdam, Netherlands


Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Company


  • Job Title

    UX Developer

  • Spoken Languages

    • Dutch
    • English

47 Achievements

  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Security: Solutions
  • The WordPress Loop
  • Making Changes with Mutations
  • Fetching Data with Queries
  • Getting Started with GraphQL
  • Security: Concerns
  • Introduction to SEO
  • The Command Shell
  • Getting the REST You Need 2
  • WordPress Header and Footer Templates
  • Working with CSS and JS in WordPress Themes
  • Starting a WordPress Theme
  • Launching and Supporting a WordPress Plugin
  • Building WordPress Template Tags, Widgets, and Shortcodes
  • Connecting WordPress Plugins with 3rd Party APIs
  • Building a WordPress Plugin Settings Page
  • How WordPress Plugins Work
  • Hooking Into WordPress Plugins
  • Action Functions in WordPress
  • Filter Functions in WordPress
  • An Overview of Hooks in WordPress
  • A Template Hierarchy Review
  • Media Templates in WordPress
  • Custom Post Type Templates
  • Archive Templates in WordPress
  • Page and Post Templates in WordPress
  • Homepage Templates in WordPress
  • Core WordPress Theme Files
  • How WordPress Templates Work
  • Custom Dashboard Widgets
  • Controlling Admin Navigation
  • Customizing the Login Screen
  • Admin Color Schemes
  • WordPress User Roles
  • More Advanced PHP for WordPress
  • PHP Basics for WordPress
  • Introduction to PHP for WordPress
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • What Is WordPress?
  • Installing WordPress Locally
  • Newbie