In this comprehensive guide, we dive deep into the world of WordPress, presenting a curated list of trending interview questions tailored for experienced developers. Whether you’re a seasoned WordPress pro or aspiring to become one, these questions will help you prepare for interviews and stay updated with the latest industry keywords and trends. Explore topics like performance optimization, security, plugin development, theme customization, and much more. Elevate your WordPress expertise and ace your next interview with confidence!

In this article, the Interview Bit team has compiled a comprehensive list of 20+ WordPress interview questions and responses that are suitable for experienced candidates. To find out more and prepare for your WordPress interview, go there.

Read Also: WordPress Interview Questions for Freshers

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WordPress Interview Questions for Experienced

1. Explain the term template tags in WordPress.

In WordPress, template tags are a set of special functions that allow developers to insert dynamic content and data into a theme’s template files. These tags are essential for creating dynamic and customizable WordPress themes. Here’s an explanation of the term “template tags” in WordPress:

Template tags serve as placeholders or markers in your theme files (such as header.php, footer.php, single.php, etc.) and are enclosed in PHP code. When a WordPress page or post is loaded, these template tags are replaced with actual content, data, or functionality based on the specific context of the page being viewed. Template tags are a fundamental part of the WordPress templating system, enabling developers to display things like:

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Post Content: You can use template tags like the_title(), the_content(), and the_excerpt() to display the title, main content, and excerpts of posts or pages dynamically.

Post Metadata: Tags like the_date(), the_time(), and the_author() allow you to display information about the post’s date, time, and author.

Custom Fields: If you have custom fields associated with posts or pages, you can use tags like get_post_meta() to retrieve and display their values.

Navigation Menus: Template tags like wp_nav_menu() enable the creation and display of custom navigation menus.

Comment Counts: Tags like comments_popup_link() help you show the number of comments on a post.

Category and Tag Information: You can use the_category() and the_tags() to display the categories and tags associated with a post.

Pagination: Tags like paginate_links() help you create pagination links for navigating through lists of posts.

Conditional Content: Template tags like is_single(), is_page(), is_category(), and is_user_logged_in() allow you to conditionally display content based on specific criteria.

Template tags are an integral part of creating dynamic and flexible WordPress themes because they ensure that the content presented to users adapts to the context and content of each page or post. By using these tags effectively, developers can create themes that are both visually appealing and highly functional.

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2. List a few template tags that can be used in WordPress.

Certainly, here are a few commonly used template tags in WordPress:

the_title(): Displays the title of the current post or page.

the_content(): Outputs the main content of the post or page.

the_excerpt(): Shows an excerpt of the post’s content.

the_date(): Displays the date of the post.

the_time(): Displays the time of the post.

the_author(): Outputs the post’s author.

the_category(): Lists the categories assigned to the post.

the_tags(): Displays the tags associated with the post.

wp_nav_menu(): Generates and displays a custom navigation menu.

comments_popup_link(): Shows the number of comments on a post and provides a link to the comments section.

paginate_links(): Creates pagination links for navigating through lists of posts.

get_post_meta(): Retrieves and displays custom field values associated with the post.

is_single(): Checks if the current page is a single post.

is_page(): Checks if the current page is a single page.

is_category(): Checks if the current page is a category archive.

These template tags are just a small selection of the many available in WordPress. They enable developers to customize and display various aspects of a WordPress site dynamically, making it easy to create flexible and feature-rich themes.

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3. State the difference between WordPress and Wix.

Both WordPress and Wix are website creation tools, but they each take a very different approach. Wix is a website builder,

Here’s a comparison of WordPress and Wix

Please note that the specific features and offerings of both platforms may change over time, so it’s essential to review the latest information and consider your specific website needs when choosing between WordPress and Wix.

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4. What do you mean by WordPress Hooks?

WordPress hooks are predefined points in the WordPress code where developers can add their custom code or functions to modify or extend the platform’s functionality without directly modifying the core files. Hooks come in two types: action hooks, which allow you to add custom actions, and filter hooks, which enable you to modify data before it’s displayed or used.

This flexibility makes WordPress highly customizable and extensible, facilitating the creation of themes and plugins to tailor the platform to specific needs.

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5. What are Action and Filter Hooks?

Action and filter hooks in WordPress are mechanisms that allow developers to modify and extend the platform’s functionality without directly editing the core code.

Action Hooks: These hooks enable developers to execute custom code at specific points during WordPress execution. They are used to add new functionality or perform actions, such as displaying content or running functions, at designated moments in the code flow.

Filter Hooks: Filter hooks allow developers to modify data before it is displayed or processed. They provide a way to change the content or behavior of WordPress elements, such as text, queries, or settings, by applying custom filters to the data.

Both types of hooks are crucial for creating themes and plugins, as they enable customization and extension of WordPress functionality while maintaining compatibility with future updates.

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6. Why is WordPress considered better than a CMS?

WordPress is often considered better than some other Content Management Systems (CMS) for several reasons:

User-Friendly: WordPress has a user-friendly interface and a low learning curve, making it accessible to beginners.

Community and Support: It has a large and active user community, providing extensive support and resources.

Flexibility: WordPress is highly customizable, allowing developers to create a wide range of websites and applications.

Plugins and Themes: A vast library of plugins and themes is available, simplifying the addition of functionality and design customization.

SEO-Friendly: WordPress is SEO-friendly, with plugins like Yoast SEO to help improve website search engine rankings.

Regular Updates: WordPress is regularly updated for security and performance improvements.

Open Source: It’s open-source software, which means it’s free to use and can be modified as needed.

Scalability: WordPress can be used for both small blogs and large, complex websites, making it versatile.

While WordPress has its advantages, the choice of CMS depends on specific project requirements and personal preferences.

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7. State the difference between WordPress.com and WordPress.org.

Here’s a comparison between WordPress.com and WordPress.org in a table format:

It’s important to choose between WordPress.com and WordPress.org based on your specific needs and preferences. WordPress.com is more suitable for beginners and individuals who want a hassle-free blogging experience, while WordPress.org provides greater flexibility and control for those who want to build more complex or customised websites.

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8. What do you mean by importers in WordPress?

In WordPress, importers are tools or plugins that allow you to transfer content from another platform or format into your WordPress website. They facilitate the migration of data such as posts, pages, comments, users, and media files from various sources, making it easier to switch to WordPress or merge content from different sources into your site.

Importers are particularly useful when you’re moving from another CMS, or blogging platform, or when you need to consolidate content from multiple sources into your WordPress site.

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9. How can I adjust the default length of an excerpt in WordPress?

To adjust the default length of an excerpt in WordPress, you can use the excerpt_length filter. Add the following code to your theme’s functions.php file or a custom plugin:

function custom_excerpt_length($length) {
return 20; // Change 20 to the desired number of words for your excerpt length.
}
add_filter(‘excerpt_length’, ‘custom_excerpt_length’);

In this example, thecustom_excerpt_length function sets the excerpt length to 20 words. You can change the ‘20‘ to any other number that suits your needs. After adding this code, WordPress will generate excerpts with the specified length throughout your site.

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10. Explain avatar and gravatar in WordPress.

In WordPress, an avatar is a user’s profile picture or image associated with their account. Avatars are displayed next to user comments and author information on posts. Users can upload their avatars, and WordPress provides default options like identicons, mystery people, or even blank avatars if users don’t upload their own.

Gravatar, short for “Globally Recognized Avatar,” is a service that allows users to associate a specific avatar image with their email address. Gravatars are widely supported across various websites and platforms, including WordPress. When a user comments on a WordPress site using their registered email address, WordPress will automatically fetch their Gravatar image and display it as their avatar next to their comment.

Gravatars provide a consistent way for users to have the same profile picture across different websites and services that support Gravatar, making it a convenient and recognizable way to represent oneself online. Users can manage their Gravatar images on the Gravatar.com website.

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11. Can you tell me why widgets don’t display in the sidebar?

Users must first make sure that the themes they are using support the widget before adding it. It’s probable that the absence of function.php or a file comparable to it is what’s causing the issue. Another option is that the user neglected to save the widget’s modifications or failed to update the earlier page’s display.

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12. Explain shortcode in WordPress.

Before adding a widget, users must first confirm that the themes they are using support it. It’s likely that the problem is being caused by the absence of function.php or a file similar to it. Another possibility is that the user failed to update the display on the preceding page or failed to save the widget’s changes.

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13. What is the best way to display a list of child pages in WordPress?

Although shortcodes are useful, you must add them to every page that has a parent page or a child page. Shortcodes could wind up being used on numerous pages, and you might even forget to use them.

It would be advantageous to make changes to your theme’s page template file to enable the automatic display of child pages. You can accomplish this by making changes to the main page.php template or by building a special page template within your theme.

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14. Is it possible to check whether a featured image exists in WordPress?

Yes, it’s possible to check whether a featured image exists for a WordPress post or page. You can use the has_post_thumbnail() function to determine if a featured image (also known as a post thumbnail) has been set for a specific post or page.

Here’s how you can use has_post_thumbnail():

if (has_post_thumbnail()) {
// Featured image exists for this post or page.
// You can display or work with the featured image here.
} else {
// There is no featured image for this post or page.
// You can take an alternative action or display a default image.
}

You can place this code within your WordPress theme files (e.g., single.php, page.php, or any custom template) to conditionally check for the presence of a featured image and then take appropriate actions based on the result.

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15. Can you explain the user metafunction in WordPress?

In WordPress, a user meta is a collection of unique, diverse, and personalised text fields for every user based on their choices. In other words, WordPress’s user meta feature enables you to include any data you choose about your users. The function update_user_meta() is used to add or modify a user’s metadata. It looks like this:

update_user_meta( $user_id, $meta_key, $meta_value, $prev_value );

Here,

• $user_id: The impacted user’s ID.
• $meta_key: Name of the user meta field to be changed in $meta_key.
• $meta_value: The value that will be put in the user meta field is $meta_value. You can use an array, string, integer, etc.
• $prev_value: For managing meta keys with duplicate values, use $prev_value. Normally, you can disregard this choice.

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16. What are widgets in WordPress?

Widgets in WordPress are small, customizable blocks of content or functionality that can be added to specific areas of your website, typically within sidebars, footers, or widget-ready areas of your theme. Widgets are used to add various elements and features to your website without needing to code.

Common examples of widgets include text, images, recent posts, categories, search bars, and social media links. WordPress provides a user-friendly interface for arranging and configuring widgets, making it easy to customize your site’s layout and functionality.

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17. In what situations does the plugin menu not appear on the WordPress website?

Users of free WordPress.com cannot see the plugin menu due to the site’s restrictions on the number of installed plugins. The plugin menu won’t even be available to people without administrator accounts.

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18. What are WordPress Themes?

WordPress themes are pre-designed templates or layouts that determine the overall look and style of a WordPress website. They control the visual presentation and design elements, including the layout, colours, fonts, and overall aesthetic.

WordPress themes enable users to change the appearance of their website easily without altering the content or functionality. They play a crucial role in defining the website’s visual identity and user experience.

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19. What is a Child theme in WordPress?

A WordPress child theme is a theme that incorporates the features and design elements of a parent theme. It enables you to alter the look and feel of your website without affecting the parent theme’s primary files. The use of child themes is crucial for keeping up with updates and guaranteeing that your customizations are preserved even when the parent theme is updated.

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20.  Explain WordPress Taxonomies.

WordPress taxonomies are a way to classify and organize content on a WordPress site. They allow you to group and categorize posts, pages, or custom post types. There are two primary types of taxonomies in WordPress:

Categories: Categories are a hierarchical taxonomy that allows you to organize content into broad, parent-child categories. They are commonly used for structuring blog posts and articles.

Tags: Tags are a non-hierarchical taxonomy that provides a more flexible way to label and organize content. Unlike categories, tags don’t have parent-child relationships and are often used for adding descriptive keywords.

WordPress taxonomies help improve site navigation and content organization by allowing users to filter and browse related content easily. They play a crucial role in content management and help visitors find the information they are looking for on a website.

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21. Explain Categories and Tags in WordPress. How to convert a category into a tag?

In WordPress, categories and tags are both used for organizing and categorizing content, but they have distinct purposes and characteristics:

Categories:

Categories are hierarchical taxonomies, meaning you can create parent and child categories to create a structured hierarchy.
They are typically used for grouping content into broader topics or sections, providing a clear organizational structure.
Categories are well-suited for classifying content into primary sections of a website, such as different blog topics or product types.

Tags:

Tags are non-hierarchical taxonomies, meaning they are flat and don’t have parent-child relationships.
Tags are more flexible and are used for adding descriptive keywords or labels to content, allowing for finer-grained classification.
They are often used to provide additional context to content, making it easier for users to discover related articles or posts.
To convert a category into a tag in WordPress, follow these steps:

Create a New Tag: Go to the WordPress dashboard, navigate to “Posts” or “Categories,” and click on “Tags.”

Add New Tag: Create a new tag with the same name as the category you want to convert.

Edit Posts: Go back to your posts or content that was assigned to the category you want to convert. Edit each post and remove the old category assignment.

Assign New Tag: Assign the newly created tag to each of these posts instead.

Delete Category: After you’ve reassigned the tag to all relevant posts, you can delete the old category by going to “Posts” or “Categories,” finding the category you want to remove and clicking the “Delete” option.

By following these steps, you effectively convert a category into a tag while maintaining the organization of your content.

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22. What are meta tags?

Meta tags are snippets of HTML code that provide metadata or information about a web page. They are placed within the section of a webpage’s HTML and are not visible to website visitors but are used by search engines and browsers.

Meta tags include information like the page’s title, description, author, character encoding, and more. They play a crucial role in search engine optimization (SEO) by helping search engines understand the content and context of a webpage, which can impact how the page is ranked in search results.

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Conclusion

In the social era of today, building an effective, alluring, and appealing website for any organization is very usual to draw in and keep more clients. WordPress, an open-source Content Management System (CMS) that makes it simple to create websites, is the answer to this issue. Among the top 3 content management systems, which are WordPress, Joomla, and Drupal, WordPress holds 60% of the market. WordPress 5.9.3 is the most recent version, which was made available on April 5, 2024. Are you a WordPress developer searching for a chance to enhance your career? Then you can benefit from this essay.

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There may be many more inquiries about WordPress because of the enormous demand for it. But we did our best to cover the majority of them. You will feel more confident in your preparation after reading these interview questions and practising them more, and you’ll be ready to take the next step towards realising your objective. We hope to be able to answer any queries or worries you may have had.

Best wishes for your future endeavours.

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