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Simple Custom CSS and JS

slug: custom-css-js

WordPress plugin by SilkyPress · detected on 28 sites in our index (0.52% of WordPress sites scanned)

Easily add Custom CSS or JS to your website with an awesome editor.

28
Sites detected
0.52%
Market share
of our WP index
#316
Rank
among indexed plugins
2026-07-27
Last detected

Where Simple Custom CSS and JS sits in the WordPress plugin ecosystem

Simple Custom CSS and JS is the #316 most-detected WordPress plugin in our scan index of 5,424 sites, appearing on roughly 0.52% of WordPress sites we've fingerprinted. Most sites running Simple Custom CSS and JS are hosted on Pantheon (67% of identified hosts). The most common companion plugin is Classic Editor, present on 61% of Simple Custom CSS and JS sites. The most frequent theme is Ars Electronica Wordpress Theme.

Every data point here comes from actual scans of public WordPress sites, not vendor case studies or curated showcases. We don't accept submissions; everything you see is detected automatically when a site is scanned through the tool.

Plugins commonly used with Simple Custom CSS and JS

From co-occurrence analysis across sites running Simple Custom CSS and JS in our index.

Themes commonly running Simple Custom CSS and JS

Top themes on sites using this plugin.

Hosting providers running Simple Custom CSS and JS

Limited to sites where we identified the hosting provider.

Sites using Simple Custom CSS and JS

Most-recently-scanned sites detected with this plugin.

How we detect Simple Custom CSS and JS

Five-vector detection: /wp-content/plugins/custom-css-js/ asset paths, /wp-json/ REST API namespaces, HTML signature patterns, sitemap XML comments, and asset-probe HEAD requests against the top-100 popular plugins on wordpress.org. Each detected plugin carries provenance pills showing which sources corroborated it; cross-vector matches indicate high-confidence detections. More on how detection works.

Reviewed by Matt Hall · founder of Scepter Marketing · 10+ years building WordPress sites
·
Last reviewed: 2026-07-27
·How we detect this →

Data comes from real-time scans of public WordPress sites, not vendor case studies or curated showcases. Every claim on this page traces back to a specific detection in our scan corpus, observable via our methodology. Affiliate links are disclosed per the affiliate disclosure.