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WordPress Performance Review

A severity-ranked code review skill that scans WordPress themes and plugins for performance anti-patterns.

Dev & CodingIntermediate★ 232⑂ 18AI score 9/10Last updated: Nov 29, 2025

What it does

Reviews WordPress PHP/JS code by file type and reports performance problems with line numbers and severity.

  • Critical: unbounded queries (posts_per_page => -1), query_posts(), frontend session_start() (kills full-page cache), N+1 queries in loops, JS setInterval polling (self-DDoS), long-running WP-Cron jobs
  • Warning: unindexed meta_query value scans, leading-wildcard LIKE '%term%', uncached wp_remote_get, dynamic transient keys bloating wp_options, globally enqueued assets
  • Info: missing no_found_rows, batch cache lookups, script versioning and defer strategy

It also ships quick-detection grep commands, hosting-aware guidance (managed vs. self-hosted vs. shared), a severity table, and a report template with a findings summary.

Who it's for

  • WordPress developers reviewing theme/plugin pull requests
  • Teams auditing a site before a launch, sale, or traffic spike
  • Operators tracking down 500 errors, timeouts, or memory exhaustion
  • Freelancers trimming queries and assets on WooCommerce-heavy sites

Example uses

  1. "Run a performance review on this plugin folder" → unbounded queries and cache-bypassing code listed by severity with line numbers
  2. "The cart page keeps timing out, find why" → checks templates for external HTTP calls, N+1 queries, and AJAX polling
  3. "Prep this site for Black Friday traffic" → flags transient misuse, oversized autoloaded options, and long cron callbacks

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/elvismdev/claude-wordpress-skills/HEAD/skills/wp-performance-review/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/wp-performance-review folder from the GitHub repo elvismdev/claude-wordpress-skills into my ~/.claude/skills/wp-performance-review/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/elvismdev/claude-wordpress-skills.git && mkdir -p ~/.claude/skills && cp -r claude-wordpress-skills/skills/wp-performance-review ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal (Terminal on macOS, Git Bash or WSL on Windows).
  2. Clone the skills repo: git clone https://github.com/elvismdev/claude-wordpress-skills.git
  3. Create the skills directory if needed: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r claude-wordpress-skills/skills/wp-performance-review ~/.claude/skills/
  5. Confirm the references/ folder came along: ls ~/.claude/skills/wp-performance-review
  6. Restart Claude Code, open your WordPress project, and ask "review this theme for performance issues" to trigger the skill.
View source on GitHub ↗License: MIT