EStore Tools

WordPress Theme & Plugin Detector

See the theme and plugins any public WordPress or WooCommerce site is running, read straight from its own page source.

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Reading what the page already tells you

WordPress's own URL structure gives this away for free: theme and plugin assets load from /wp-content/themes/{slug}/… and /wp-content/plugins/{slug}/…. This tool reads the homepage's HTML for those paths, then fetches the detected theme's own style.css header (Theme Name, Version, Author are a standard comment block every WordPress theme has to include) and looks up up to 4 detected plugins on WordPress.org for their name and current version.

Why check a competitor's stack

  • Scouting a competitor's store: which theme, page builder or review app they run.
  • Checking what you're actually running on a client site you've just taken over, before you touch anything.
  • Spotting an obviously outdated theme or plugin version worth flagging in a technical audit.

Limits

  • Only reads the homepage. A plugin that only loads assets on the cart, checkout or a single product page won't show up.
  • Many plugins (most SEO, backup, security and admin-only plugins) never enqueue a public script or stylesheet at all, so they're invisible to this kind of scan by design.
  • Premium plugins sold outside WordPress.org are detected by slug but can't be looked up for a name or version, since they're not in that directory.

Questions people ask

Does this work on non-WordPress sites?

No, it checks for /wp-content/ or /wp-includes/ in the page first and stops with a clear message if neither is found.

Can it see premium or private plugins?

It can detect that a plugin is active from its asset folder path, but it can only pull a friendly name and version for plugins listed on WordPress.org. Premium ones show up as just their folder slug.

Is this the same as "view page source"?

It automates exactly that: reading the same public HTML your browser already downloads, then doing the extra lookups (style.css, WordPress.org) for you.

Does the site owner get notified I checked?

No. This makes a small number of ordinary page requests through our server, the same as any visitor loading those pages.

Related tools

WooCommerce Plugin Compatibility CheckerLook up a list of plugins on WordPress.org for their PHP requirement, last update, and any HPOS or checkout-block mentions in their listing.WordPress Security CheckA read-only external scan for leaked version numbers, exposed backups, missing security headers and a few well-known information leaks.WooCommerce Store AuditDelivery, SEO basics, a handful of security headers and checkout readiness, combined into one scored report.WooCommerce Plugin Stack AuditorChecks the plugins you're using against your WooCommerce version, and flags the ones a core feature has already replaced.

Want this builtinto your store?

I'm Emmanuel, a Shopify and WooCommerce developer. If this tool pointed at something you'd rather have fixed for you (a faster store, cleaner product data, a migration, a custom feature), send me a note.

Emmanuel Asika

Emmanuel Asika

Shopify & WooCommerce developer, Dublin

I build and fix online stores: new builds, migrations, speed, SEO and the custom bits apps can't do.

hello@emmanuelasika.com
See my work

Last reviewed 30 September 2026.