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Top 20 WordPress Interview Questions and Answers

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WordPress Interview QA

Top 40 WordPress Interview Questions and Answers for freshers and experienced are below are below :


1. What is WordPress?
WordPress is an online, open source website creation tool written in PHP. But in non-geek speak, it's probably the easiest and most powerful blogging and website content management system (or CMS) in existence today.

2. Different between WordPress.com vs WordPress.org?
WordPress.com (fully hosted)
Focus on your beautiful content, and let us handle the rest.

WordPress.org (self-hosted)
Get your hands dirty, and host your website yourself.

refer official URL: https://en.support.wordpress.com/com-vs-org/ for more details.

3. Use of WordPress?
WordPress is a free and open-source blogging tool and a content management system (CMS) based on PHP and MySQL. Features include a plugin architecture and a template system.
WordPress was used by more than 23.3% of the top 10 million websites as of January 2015

4. feature of WordPress?
Here are some of the features that we think that you'll love.

  • Simplicity
  • Flexibility 
  • Publish with Ease
  • Publishing Tools
  • User Management
  • Media Management 
  • Full Standards Compliance
  • Easy Theme System
  • Extend with Plugins 
  • Built-in Comments
  • Search Engine Optimized
  • Multilingual 
  • Easy Installation and Upgrades 
  • Importers 
  • Own Your Data 
  • Freedom 
  • Community 
  • Contribute 

5. Developer Features in a WordPress?
For developers, WordPress Have lots of goodies packed under the hood that you can use to extend WordPress in whatever direction takes your fancy.

  • Plugin System
  • Theme System
  • Application Framework
  • Custom Content Types 
  • The Latest Libraries 


6. Why You Should Use WordPress?
WordPress is that it’s easy to use and flexible enough for just about anything. That’s the main reason why WordPress has grown so much in popularity. According to a recent survey, WordPress powers 22.5% of all websites on the internet.

Let’s take a look at why you should use WordPress.

  • WordPress is Free as in Freedom
  • Easy to Use and Learn
  • Extendable by Using Themes and Plugins
  • Search Engine Friendly
  • Easy To Manage
  • Safe and Secure
  • WordPress Can Handle Different Media Types

7. What ways to use WordPress?
WordPress can be used in many different ways. It is open to possibilities.

You can use WordPress as the following:

  • Arcade
  • Blog
  • Content Management System (CMS)
  • Gallery
  • Portfolio
  • Rating Website
  • Shopping Store
  • Video Collection Site
  • Membership Site

8. What is plugin in WordPress?
Plugins are ways to extend and add to the functionality that already exists in WordPress. The core of WordPress is designed to be lean and lightweight, to maximize flexibility and minimize code bloat. Plugins then offer custom functions and features so that each user can tailor their site to their specific needs.

9. Essential plugins for WordPress?
Here i am going to share some useful plugins that really help you so much for managing and improving performance as well security of  WordPress.

https://wordpress.org/plugins/wordpress-seo/ (Best SEO Plugin)
https://wordpress.org/plugins/google-sitemap-generator/ (sitemap)
https://wordpress.org/plugins/w3-total-cache/ (caching)
https://wordpress.org/plugins/wp-smushit/ (optimizing image files)
https://wordpress.org/plugins/wp-optimize/ (Simple but effective plugin allows you to extensively clean up your WordPress database and optimize it without doing manual queries: )

Security:
https://wordpress.org/plugins/wordfence/
https://wordpress.org/plugins/login-lockdown/

10. Current version of WordPress?
Need to refer WordPress website: https://wordpress.org/news/category/releases/



11. How to Secure WordPress?
Security in WordPress is taken very seriously, but as with any other system there are potential security issues that may arise if some basic security precautions aren't taken.

You need to read "http://codex.wordpress.org/Hardening_WordPress" carefully to understand WordPress  security.

12. Template Files List for development WordPress Theme?
Here is the list of the Theme files recognized by WordPress. Of course, your Theme can contain any other stylesheets, images, or files.

style.css: The main stylesheet. This must be included with your Theme, and it must contain the information header for your Theme.

rtl.css: The rtl stylesheet. This will be included automatically if the website's text direction is right-to-left. This can be generated using the RTLer plugin.

index.php: The main template. If your Theme provides its own templates, index.php must be present.
comments.php: The comments template.
front-page.php: The front page template.

home.php: The home page template, which is the front page by default. If you use a static front page this is the template for the page with the latest posts.

single.php: The single post template. Used when a single post is queried. For this and all other query templates, index.php is used if the query template is not present.
single-{post-type}.php
The single post template used when a single post from a custom post type is queried. For example, single-book.php would be used for displaying single posts from the custom post type named "book". index.php is used if the query template for the custom post type is not present.

page.php: The page template. Used when an individual Page is queried.

category.php: The category template. Used when a category is queried.

tag.php: The tag template. Used when a tag is queried.

taxonomy.php: The term template. Used when a term in a custom taxonomy is queried.

author.php: The author template. Used when an author is queried.

date.php: The date/time template. Used when a date or time is queried. Year, month, day, hour, minute, second.

archive.php: The archive template. Used when a category, author, or date is queried. Note that this template will be overridden by category.php, author.php, and date.php for their respective query types.

search.php: The search results template. Used when a search is performed.

attachment.php: Attachment template. Used when viewing a single attachment.

image.php: Image attachment template. Used when viewing a single image attachment. If not present, attachment.php will be used.

404.php: The 404 Not Found template. Used when WordPress cannot find a post or page that matches the query.


13.  prefix of WordPress tables by default?
By default, wp_ is the prefix

14. Plugin for Multi-language features?
WPML Multilingual Plugin.
URL: https://wpml.org/

15. Alternative CMS of Wordpress?
Joomla
Drupal
Ghost
Movable Type
Silver Stripe

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