Add Custom Codes – Insert Header, Footer, Custom PHP Snippets, CSS, Javascript

76 Quality Score

Active Installs

14/30

With only 1,000 active installs, this is a very small user base, though the popularity score is boosted by strong growth momentum relative to its size.

Update Freshness

25/25

Updated on 2026-05-22 and tested against WordPress 7.0 with a PHP 7.4 minimum, the maintenance signals are excellent and current.

User Rating

15/15

A perfect 100/100 from 6 reviewers is a small sample size, so the rating is encouraging but not yet statistically meaningful.

Support Health

8/15

Zero support threads opened and zero resolved gives no evidence of an active support presence, which is a real concern for a free plugin.

WP Compatibility

15/15

Requires WordPress 6.6.2 and PHP 7.4 and is tested with WordPress 7.0, so compatibility is current and well ahead of most plugins on the directory.

Scores higher than 46% of indexed plugins

About

A completely free plugin to add Custom PHP functions, HTML, CSS, Javascript, any other custom codes to your wordpress website.

Active Installs 1k+

Rating ★★★★★ 5/5

Last Updated 2026-05-22 6:02am GMT

Requires WordPress 6.6.2+

Tested Up To 7.0.4

Requires PHP 7.4+

Security History

4 known vulnerabilities, all patched

1 High 3 Medium

Most recent: December 31, 2025

View details ▸

What It Does

Add Custom Codes lets you paste PHP, HTML, CSS, JavaScript, and other custom code into your WordPress site without editing your theme files directly. It provides dedicated areas for header, footer, and general snippets so you can inject tracking pixels, custom styles, or small PHP functions site-wide. Think of it as a safer middle ground between the built-in theme editor and a full code snippets manager.

Who It's For

This plugin is a reasonable fit for solo site owners, freelancers, and small businesses who need to drop in a few analytics tags, custom CSS tweaks, or lightweight PHP snippets without installing a heavier code management tool. It also works for digital agencies running low-stakes client sites where a simple, free solution beats a paid snippets plugin. With only 1,000 active installs, it is best suited for users comfortable evaluating a smaller, less proven tool.

Who Should Skip It

If you are running a high-traffic site, an e-commerce store, or anything mission-critical, you should skip this plugin and pick a more established alternative with a longer track record. Developers who need conditional snippet logic, snippet export/import, or a code execution safety layer will also outgrow it quickly.

The Bottom Line

Add Custom Codes scores a 75.93/100, and the numbers tell a mixed story: maintenance and compatibility are strong, but 1,000 installs, 0 support threads, and a 6-rating sample make it hard to recommend over alternatives with 50,000 to 600,000 installs. If you need a free header and footer injector for a low-risk site, it can do the job, but established options like Insert Headers And Footers or Simple Custom CSS and JS offer far more community confidence for the same effort.

Related Plugins

Insert Headers And Footers 87/100

Pick this instead if you only need to add scripts to the header or footer and want the safest, most battle-tested option with 300,000 installs.

Simple Custom CSS and JS 87/100

Pick this instead if your focus is on adding custom CSS and JavaScript to the frontend and you want 600,000 installs of community trust.

Woody Code Snippets 82/100

Pick this instead if you need conditional PHP snippet execution with a visual interface and stronger snippet management features.

FluentSnippets 82/100

Pick this instead if you want a high-performance snippet manager with better organization, export, and conditional logic for serious code work.

Custom CSS Pro 80/100

Pick this instead if your only need is sitewide custom CSS and you want a focused, lightweight tool without the extra PHP and JS surface area.