HTML (HyperText Markup Language):
Creating structured and semantically correct web pages.
Understanding of HTML elements, attributes, and their usage.
Knowledge of HTML5 features and APIs.
Ability to create forms, tables, lists, and other HTML components.
Awareness of accessibility best practices and SEO principles.

WordPress:
Installing and configuring WordPress sites.
Customizing themes and templates using PHP, HTML, CSS, and JavaScript.
Managing plugins and extending WordPress functionality.
Understanding of the WordPress ecosystem, including themes, plugins, and widgets.
Knowledge of WordPress APIs and hooks for custom development.
Experience with WordPress security best practices and performance optimization.

CSS (Cascading Style Sheets):
Styling HTML elements and controlling their appearance.
Understanding of CSS selectors, properties, and values.
Creating responsive and mobile-friendly layouts using CSS media queries.
Knowledge of CSS frameworks like Bootstrap or Foundation.
Ability to implement animations and transitions using CSS.
Awareness of CSS preprocessors like SASS or LESS.

PHP (Hypertext Preprocessor):
Developing server-side web applications and dynamic websites.
Understanding of PHP syntax, data types, operators, and control structures.
Working with PHP frameworks like Laravel, CodeIgniter, or Symfony.
Interacting with databases using PHP (e.g., MySQL, PostgreSQL, MongoDB).
Implementing authentication, authorization, and session management.
Knowledge of PHP security best practices and common vulnerabilities.

JavaScript:
Writing client-side scripts to add interactivity and dynamic behavior to web pages.
Understanding of JavaScript syntax, data types, functions, and objects.
Manipulating the DOM (Document Object Model) using JavaScript.
Working with JavaScript libraries and frameworks like React, Angular, or Vue.js.
Implementing asynchronous programming using callbacks, promises, or async/await.
Handling events, form validation, and browser compatibility issues.

jQuery:
Simplifying JavaScript development by providing a concise and consistent API.
Selecting and manipulating HTML elements using jQuery selectors and methods.
Implementing animations, effects, and transitions using jQuery.
Handling events and event delegation with jQuery.
Working with AJAX (Asynchronous JavaScript and XML) requests using jQuery.
Enhancing user interface elements and improving user experience.

Delphi 7:
Developing Windows desktop applications using the Delphi programming language.
Understanding of Delphi syntax, data types, variables, and constants.
Creating GUI (Graphical User Interface) components and forms using the VCL (Visual Component Library).
Working with databases using components like TADOQuery, TClientDataSet, or TDBGrid.
Implementing event-driven programming and handling user interactions.
Knowledge of Delphi IDE features, debugging techniques, and project management.