WordPress Quality Control & Assurance 3

Question 1

Which tool is specifically designed to detect accessibility issues in WordPress themes during QA?

Accepted Answer

WP Accessibility Checker

Answer

WP Accessibility Checker scans pages for WCAG and accessibility issues directly within the WordPress admin.

Question 2

A client reports a white screen of death after a plugin update. What is the fastest QA step to isolate the cause?

Accepted Answer

Rename the plugin folder via FTP to deactivate it

Answer

Renaming a plugin's folder via FTP forces WordPress to deactivate it without needing admin access, quickly isolating the conflict.

Question 3

Which WordPress coding standard tool is recommended for automated PHP code quality checks before committing?

Accepted Answer

PHP_CodeSniffer with WordPress-Coding-Standards ruleset

Answer

PHP_CodeSniffer with the WordPress Coding Standards ruleset enforces WordPress-specific coding conventions automatically.

Question 4

What is the role of the wp_schedule_event() function in a quality assurance testing scenario?

Accepted Answer

It sets up recurring cron tasks whose execution can be verified in tests

Answer

wp_schedule_event() registers recurring cron events, and QA tests can verify these hooks fire at the correct intervals.

Question 5

During load testing a WordPress site, which metric most directly indicates database bottleneck?

Accepted Answer

Time to First Byte (TTFB) spikes with high query count

Answer

TTFB spikes correlated with high SQL query counts point to database processing as the primary bottleneck.

WordPress Practice Test