WordPress Theme & Plugin Detector Online
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Find out what WordPress theme and plugins any website is using. Paste a URL, hit the button, and get the details instantly.
Enter a website URL to detect its WordPress theme:
How the WordPress Theme Detector Works
This tool scans a website's public source code to identify the WordPress theme and plugins in use. Here's the process:
- Enter a URL — paste any website address. The tool normalizes it automatically and fetches the homepage.
- WordPress check — the detector looks for WordPress signatures in the HTML:
/wp-content/,/wp-includes/, generator meta tags, and REST API endpoints. - Theme detection — once WordPress is confirmed, it finds theme references in
/wp-content/themes/paths, then reads the theme'sstyle.cssheader for name, version, author, and description. - Plugin scan — the tool also identifies plugins by scanning for
/wp-content/plugins/references in loaded scripts and stylesheets.
Why Use a WordPress Theme Detector?
WordPress powers over 40% of all websites. Behind every one of them is a theme that controls how it looks and a set of plugins that extend what it can do. Knowing what a site is running is useful in several scenarios:
- Competitive research — see what theme and plugins your competitors rely on. If a site in your niche looks great and performs well, knowing their stack helps you make informed decisions about your own.
- Design inspiration — found a website with a design you love? Instead of guessing, detect the exact theme and check if it fits your project.
- Client work — agencies and freelancers often need to identify a client's current setup before starting a redesign or migration. This tool gives you that snapshot instantly.
- Security awareness — if you spot an outdated theme or plugin version, that's a red flag. Outdated WordPress components are one of the most common attack vectors on the web.
If you're evaluating a WordPress site's technical health, pair this with the PHP Version Checker to see what PHP version the server is running. Theme compatibility and PHP version compatibility go hand in hand. For a broader technology audit, the Website Technology Checker detects 80+ technologies including CDN, analytics, and marketing tools beyond just WordPress plugins. Check the site's security headers too — outdated plugins are a common reason security headers are missing or misconfigured.
Understanding Your Detection Results
When the scan completes, here's what each piece of information means:
- Theme name — the active theme's display name as defined in its
style.cssheader. This is the theme the site is currently using. - Version — the installed version of the theme. If it's significantly behind the latest release, the site may have pending updates.
- Author — the theme developer or company. Useful for finding the theme on WordPress.org or the developer's marketplace.
- Parent theme — if the site uses a child theme, the parent theme is shown separately. Child themes inherit the parent's code and override specific parts.
- Plugins detected — a list of plugins that load public assets (CSS/JS). Not every plugin is visible from the front end — admin-only plugins won't appear here.
- WordPress version — if the site's generator meta tag is present, you'll see the WordPress core version too.
WordPress Theme & Plugin Detector: FAQ
What is a WordPress theme detector?
A WordPress theme detector is an online tool that identifies the theme a WordPress website is using. It works by scanning the site's source code for theme references, then pulling details like the theme name, version, author, and description. Some detectors also identify plugins running on the site.
How does the WordPress theme detector work?
The tool fetches the website's HTML source and looks for references to /wp-content/themes/ in stylesheets, scripts, and other resources. When it finds a theme slug, it attempts to read the theme's style.css file, which contains a standard header block with the theme name, version, author, and other metadata. It also scans for /wp-content/plugins/ references to identify installed plugins.
Can this tool detect any WordPress theme?
It can detect most WordPress themes, including free themes from the WordPress.org directory and popular premium themes like Astra, GeneratePress, Divi, and Avada. However, some sites use custom-built themes with restricted file access, or heavily modified setups that strip identifying information. In those cases, the theme may be detected as a slug but without full metadata.
Can this tool detect WordPress plugins too?
Yes. The detector scans for references to /wp-content/plugins/ in the page source and lists any plugin slugs it finds. This covers plugins that load public-facing CSS or JavaScript files. Plugins that only run in the admin area or load no front-end assets will not be detected.
Does this tool work on non-WordPress websites?
The tool first checks whether a website is built with WordPress. If it detects that the site is not using WordPress, it will tell you so. It only performs theme and plugin detection on confirmed WordPress sites.
What is the difference between a parent theme and a child theme?
A parent theme is a complete standalone theme with its own design and functionality. A child theme inherits everything from a parent theme but allows you to customize styles, templates, and functions without modifying the parent's files. Many WordPress sites use child themes for safe customization. If the detector finds both, it will show them separately.
Can I find out what theme a competitor is using?
Yes, that is one of the most common use cases for a WordPress theme detector. Paste a competitor's URL and you will see their theme, version, and often their active plugins. This is useful for competitive research, inspiration, and understanding what tools other sites in your niche rely on.
Why does the tool sometimes say "theme not identified"?
This usually means the site restricts access to its theme files or uses a custom theme that does not follow standard WordPress theme header conventions. Some security plugins also strip theme metadata from the source. The site is still running WordPress, but the specific theme cannot be identified from the public side.
Is this WordPress theme detector free?
Yes. This tool is completely free to use with no signup, no limits, and no ads. It is built as a practical utility for WordPress users, developers, designers, and agencies.
Does this tool store the websites I check?
No. The tool only runs the detection check and returns the result. We do not store a list of scanned domains and we do not collect personal data through the tool itself.
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