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30+ Wordpress Interview Questions And Answers

WordPress is the world's leading content management system, powering a significant portion of websites across the internet. It's versatile, user-friendly, and flexible, making it an ideal platform for everything from blogging to e-commerce. WordPress is also recognized for its vast ecosystem of themes and plugins, which allows users to customize their sites to their specific needs. As such, WordPress expertise is highly sought after in the job market. Below you'll find a collection of WordPress interview questions designed to assess candidates' proficiency with the platform, varying from beginner to advanced levels of knowledge.


Most asked Wordpress interview questions



What is WordPress?

WordPress is a content management system (CMS) that allows users to create and publish their content on the web easily. It's known for its simplicity and flexibility, as well as a large community of users and developers.


Can you name some common WordPress features?

Some common features of WordPress include themes for design, plugins for extended functionality, posts and pages for content, comments for user interaction, and widgets for site enhancements.


How do you install a WordPress plugin?

To install a WordPress plugin, go to your dashboard, navigate to 'Plugins' > 'Add New', search for the plugin, and click 'Install Now'. Then, activate the plugin after installation.


What is the difference between a post and a page in WordPress?

Posts are entries listed in reverse chronological order on your blog page, while pages are static and not part of the blog chronology.


How do you make a website secure in WordPress?

To secure a WordPress website, use strong passwords, keep WordPress and its components updated, choose reputable themes and plugins, implement SSL, and use security plugins.


What is a WordPress theme?

A WordPress theme is a collection of files that determine the appearance and layout of a WordPress site. Themes can be customized and are interchangeable.


What are WordPress plugins?

Plugins are add-ons for WordPress that extend functionality and add new features to your site. They can be added and activated through the WordPress dashboard.


Can you explain how to create a custom menu in WordPress?

In the WordPress dashboard, go to 'Appearance' > 'Menus'. Create a new menu, add items from categories, posts, custom links, or pages, then set your menu locations.


What is the WordPress loop?

The WordPress loop is PHP code used to display posts. It checks for posts and displays content according to criteria specified in the code.


What are widgets in WordPress?

Widgets are small blocks that perform specific functions. They can be added to designated widget-ready areas of a WordPress theme like sidebars or footers.


How can you update WordPress?

WordPress can be updated via the dashboard by clicking 'Updates' and then 'Update Now'. It's important to back up your site before updating.


What is a shortcode in WordPress?

A shortcode is a WordPress-specific code that lets you do complex things with very little effort. Shortcodes can embed files or create objects that would normally require lots of complicated, ugly code in just one line.


Can you explain what a child theme is and why you might use one?

A child theme in WordPress is a sub-theme that inherits the functionality, style, and features of its parent theme. It's used to make changes without affecting the original theme.


What would you use to allow multiple websites to be run on a single installation of WordPress?

You would use the WordPress Multisite feature to run multiple websites on a single WordPress installation. It allows you to create a network of sites.


How would you edit a WordPress theme?

To edit a WordPress theme, navigate to 'Appearance' > 'Theme Editor' in the dashboard. Choose the theme and file you want to edit. It's recommended to use a child theme for modifications.

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What actions would you take if the WordPress site is hacked?

If a WordPress site is hacked, immediately change all passwords, update all software, scan for malware, restore from a backup if necessary, and identify and fix the vulnerability.


What is a transient in WordPress and how are they useful?

Transients API in WordPress provides a way to store data that has an expiration time. It's a form of cache that can improve performance by storing temporary data.


How would you prevent WordPress from generating multiple image sizes?

To prevent WordPress from generating multiple image sizes, use the 'intermediate_image_sizes_advanced' filter to unset the sizes you don't want to be generated.

add_filter('intermediate_image_sizes_advanced', 'prefix_remove_default_images');
function prefix_remove_default_images($sizes) {
    return $sizes;


Explain a custom post type and its advantages?

A custom post type lets you create and manage content that isn't included in WordPress by default, like products, reviews, etc. It allows for more organized content management.


How do you query posts in WordPress by meta fields?

Use WP_Query with 'meta_key' and 'meta_value' or 'meta_query' for more complex queries based on meta fields.

$args = array(
    'meta_key' => 'color',
    'meta_value' => 'blue',
    'post_type' => 'product'
$query = new WP_Query($args);


Write a function to modify the default content of a new WordPress post.

add_filter('default_content', 'modify_default_new_post_content');
function modify_default_new_post_content($content) {
    // Your code goes here

You can define the function to modify default new post content, returning the custom content you wish to be displayed in the content editor for new posts.

function modify_default_new_post_content($content) {
    $content = 'Enter your content here...';
    return $content;


How can you disable the WordPress search feature?

To disable the search feature, you can use a filter to return a 404 error for search queries or remove the search form template from the theme.

add_filter('get_search_form', '__return_false');


What is the proper way to include JavaScript files into WordPress?

Use wp_enqueue_script() function in functions.php or with a specific action hook to properly include JavaScript files in WordPress. This ensures scripts are loaded correctly and avoids conflicts.

function add_custom_scripts() {
    wp_enqueue_script('custom-script', get_stylesheet_directory_uri() . '/js/custom-script.js', array('jquery'), false, true);
add_action('wp_enqueue_scripts', 'add_custom_scripts');


What are the main differences between WordPress posts and pages?

Posts are for dynamic content like articles or blog entries that can be categorized, tagged, and included in RSS feeds. Pages are static and not listed by date.


What is a nonce in WordPress and how can it be used for security?

A WordPress nonce is a 'number used once' to protect URLs and forms from being misused. It's used to verify intent and prevent CSRF attacks.

wp_nonce_field('my_action', 'my_nonce_field');


How do you create a new sidebar in a WordPress theme?

To create a new sidebar, you register it in functions.php with register_sidebar() and then call dynamic_sidebar() within theme templates where you want it to appear.

    'name' => 'New Sidebar',
    'id' => 'new-sidebar',
    'description' => 'A custom sidebar for specific actions',
    'before_widget' => '
', 'after_widget' => '
', 'before_title' => '

', 'after_title' => '

' ));


What is the $wpdb object in WordPress?

The $wpdb object is a global variable that WordPress uses to interact with the database. It provides methods for querying the database and manipulating data.


How would you create a custom user role in WordPress?

Use add_role() to create a custom user role, defining the role's name and associated capabilities.

add_role('custom_role', 'Custom Role', array(
    'read' => true,
    // ... other capabilities


What is a WordPress taxonomy and how is it used?

A taxonomy in WordPress is a way to group posts and custom post types together. Common taxonomies include categories and tags, but custom taxonomies can be created.


Explain the template hierarchy in WordPress themes.

The template hierarchy is the logic WordPress uses to determine which template file should be used to display a certain page of content. Specific files have priority over more generic ones.


Wordpress Interview Tips

Understand the Job Description

  • Before attending a WordPress interview, make sure you carefully read the job description and understand the specific skills and experiences required. Being familiar with the job role will help you predict the questions the interviewer might ask and prepare effective responses. Take note of recurring terminologies or technologies that the employer emphasizes in the description. This not only prepares you for the questions but also shows the interviewer you’ve done your homework and understand the role.

Showcase Your Technical Expertise

  • WordPress interviews will often test your technical knowledge. Make sure to brush up on core WordPress functions, theme and plugin development, and the latest features and updates. If you can illustrate your competence through past projects or portfolio examples, do so. When answering technical questions, try to explain the ‘why’ behind your answer, as this exhibits a deep understanding of WordPress’s architecture and best practices.

Highlight Problem-Solving Skills

  • WordPress professionals often need to solve unique problems or troubleshoot issues as they arise. To excel in an interview, be prepared to discuss past challenges you’ve faced and how you resolved them. Demonstrating your ability to think critically and effectively troubleshoot problems will signal to the interviewer that you’re capable of handling similar tasks in their organization. Frame your examples using the STAR method (Situation, Task, Action, Result) for a concise and impactful narrative.

Be Prepared for Practical Tests

  • Some interviews may include practical tests, such as code reviews or real-time problem-solving on a computer. Prepare for these by practicing common WordPress coding tasks, like writing a loop or creating a simple plugin or child theme. If you face a coding challenge during the interview, think aloud as you work through the problem. This allows the interviewer to follow your thought process and gives them an insight into your problem-solving skills, even if you don’t arrive at the correct solution immediately.

Demonstrate Your Communication Skills

  • Communication skills are vital for WordPress professionals, who often work with clients or team members who might not have technical expertise. When answering interview questions, express yourself clearly and avoid overly technical jargon unless necessary. If technical terms are used, make sure to explain them in layman's terms. This will showcase your ability to convey complex ideas in an accessible way, an important aspect of client and team interactions.


How much does it cost to hire a WordPress developer?

The cost of hiring a WordPress developer can vary widely depending on their experience and your project requirements, with rates starting from $45/hour at FireHire. Read more: How much does it cost to hire a WordPress developer?

Can I hire someone to make my WordPress website?

Absolutely, you can engage the services of a professional WordPress developer to build your website from scratch, ensuring a bespoke solution tailored to your business. Read more: Can I hire someone to make my WordPress website?

How do I hire a WordPress developer?

To hire a WordPress developer, specify your project requirements and connect with a talent network like FireHire, which will match you with a pre-vetted professional developer. Read more: How do I hire a WordPress developer?

Why using FireHire for hiring Wordpress developers is the best choice?

Choosing FireHire for your WordPress development needs means access to top-notch, pre-vetted talents, a risk-free replacement guarantee, and an efficient hiring process, ensuring your project is in capable hands from the start.

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