WordPress Interview Questions

1. What is WordPress?
WordPress is an open source Content Management System (CMS), which allows the users to build dynamic websites and blog.


2. Is it possible to SEO a WordPress site to show it on Google first page?
WordPress has an in-built SEO search engine benefit. You can also have an additional plug-in in WordPress to help with SEO and rank on a popular search engine like Google.


3.What are the most interesting and useful features of WordPress?

•     Easy to install and upgrade
•     In-built SEO engine
•     Free and easy theme selection
•     Flexibility
•     Own data- no unwanted advert on your website
•     Flexibility and Easy publishing option

4.What are disadvantages of WordPress?

•     Using several plugins can make website heavy to load and run.
•     PHP knowledge is required to do modification or changes in the WordPress website.
•     Sometimes software needs to be updated to keep the WordPress up to date with the current browsers and mobile devices.       

• Updating of WordPress version leads to loss of data so it requires the backup copy of website.
•     Modifying and formatting the graphic images and tables is difficult.

5.What is WordPress Reading Setting?
Reading Setting is used to set the content related to the front page. Here you can set the number of post to be displayed on the main page.

6.What are the types of hooks in WordPress?
Following are two types of hooks
A) Action hooks: This hooks allow you to insert an additional code.
B) Filter hooks: Filter hooks will only allow you to add a content or text at the end of the post.

7.What is the default prefix of wordpress tables?
wp_ is the prefix for wordpress but you can change at the time of installation.

8.What are meta tags in wordpress?
Meta-tags are keywords and description used to display website.

9.How to hide the top admin bar at the frontend in WordPress?
add_filter('show_admin_bar', '__return_false');

10.How can you backup your WordPress content?
WordPress admin -> Tools -> Import

11.Why does WordPress use MySQL?

•     Open source
•     Extremely fast
•     Widely available database server
•     Supported by low cost Linux hosting

12.In WordPress objects are passed by value or by reference.
In WordPress, all objects are passed by value.   

13. In which cases WordPress is not suitable for a website?

•     If the client is working on non-CMS based project.
•     For complex and innovative e-commerce sites.
•     Sites which require custom scripting solutions.

14.What is loop in WordPress?
WordPress uses PHP codes to display posts. This PHP code is known as loop.

15.What is the difference between custom themes and normal themes?
Custom themes are very easy to format. You don't need much technical knowledge to change in the coding part. Custom theme allows for SEO search, but with an SEO plugin available it would not make much difference to normal theme.

16.What are template tags in WordPress?
Template tags are used within themes to retrieve content from your database. It is a piece of code that tells WordPress to get something from the database.
    
17.What are meta-tags in WordPress?
Meta-tags are keyword and description used to display website or page information.

18.What is the use of WordPress Address field in General setting?
It is the URL of WordPress directory where your all core application files are present.

19.Is it possible to SEO a WordPress site to show it on Google first page?
WordPress has an in-built SEO search engine benefit. You can also have an additional plug-in in WordPress to help with SEO and rank on a popular search engine like Google.    

20. How to optimize WordPress site performance?

• Use CDN
• Use a caching plugin
• Use a simple theme/framework
• Keep site updated