WordPress Cheat Sheet 2026

The 30 highest-yield WordPress facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What WordPress function outputs the blog's name as set in General Settings? → bloginfo('name')
2. What security risk is introduced by using nulled (pirated) WordPress themes or plugins? → They commonly contain backdoors and malicious code that can compromise the entire site
3. Why is evidence-based practice important in WordPress? → It integrates best available evidence with professional expertise for optimal outcomes
4. Which file in a WordPress installation contains the database credentials and requires the most careful protection? → wp-config.php
5. What is the primary competency framework for WordPress professionals? → Structured competency standards defined by the certifying body
6. What is the minimum required header comment in a WordPress plugin file? → Plugin Name:
7. What does enabling 'Search Engine Visibility' discourage in WordPress Settings > Reading? → Search engines from indexing the site by adding a noindex header
8. Which file is required in every WordPress child theme? → style.css
9. What does the WP_Query class allow plugins to do in WordPress? → Run custom database queries to retrieve posts with specific parameters
10. What does the is_front_page() conditional tag check in WordPress? → Whether the current page is set as the front page
11. What does the WordPress Excerpt feature provide? → A short summary of a post used in archives and search results
12. What WordPress function creates a custom database table for a plugin? → dbDelta()
13. I'm making a backup of my WordPress site. At the very least, I'll need to create duplicates of → The database and wpcontent folder
14. What is the meaning Ping of Death → Sending packets that, when reassembled, are too large for the system to understand
15. How do continuing education requirements benefit WordPress certified professionals? → They ensure professionals stay current with evolving industry practices and knowledge
16. What is the difference between WordPress Pages and Posts? → Pages are static/hierarchical; Posts are chronological and categorized
17. Which approach best demonstrates professional competency in WordPress practice? → Integrating continuing education, practical experience, and evidence-based decision making
18. What does sanitize_text_field() do in WordPress plugin development? → Removes unsafe characters and extra whitespace from text input
19. What is an XML sitemap in WordPress and why is it important for SEO? → A file listing all URLs to help search engines discover and index content
20. What WordPress function outputs the URL of the current theme directory? → get_template_directory_uri()
21. Which WordPress template hierarchy file is used specifically for displaying a single post? → single.php
22. What is the WordPress media library used for? → Storing and managing uploaded images, videos, and files
23. What is the purpose of regular risk reviews in WordPress practice? → To identify new risks, evaluate control effectiveness, and update mitigation strategies
24. How should WordPress professionals prioritize identified risks? → Based on likelihood of occurrence combined with severity of potential impact
25. What is the purpose of WordPress categories in relation to SEO? → They create organized archive pages that can rank for broader topic keywords
26. What is the purpose of WordPress authentication keys and salts defined in wp-config.php? → They encrypt and secure browser cookies and session tokens, making them harder to forge
27. How do WordPress professionals evaluate research quality? → By assessing methodology, sample size, peer review status, and relevance to practice
28. What is the primary security benefit of keeping WordPress core, themes, and plugins updated promptly? → Updates patch known security vulnerabilities that attackers actively scan for and exploit
29. Is it possible to hide the information in the WordPress header? → Yes
30. Which WordPress feature allows you to redirect old URLs to new ones? → Redirection plugin or .htaccess rules