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Why Detectors Like IsItWP Are Showing WP CMS? is a website that offers tools and resources related to WordPress. One of its features is the ability to detect whether a website is using WordPress as its content management system (CMS). When detects that a website is powered by WordPress, it applies caching to the results for a period of up to 30 days.

Caching is a technique used to improve website performance by temporarily storing a version of a webpage or its components. When a user visits a website, the cached version is served instead of generating the page from scratch, resulting in faster load times.

In the case of, once it identifies a WordPress-powered website, it stores the information about the WordPress themes and plugins used on that site in its cache. This means that subsequent visits to the same website within the caching period will retrieve the information from the cache instead of rechecking the website.

To demonstrate this functionality, you can test it by providing a blank index page (a page without any content) instead of an actual website. will still detect that it’s a WordPress CMS and apply caching to the results.

If you prefer to use theme detectors that check the website every time you run a check, you can try the following alternatives:

  1. WPThemeDetector ( This tool allows you to detect WordPress themes and plugins used on a website, and it performs a fresh check each time you use it.
  2. WhatWPThemeIsThat ( This online service enables you to identify WordPress themes and plugins. It also performs real-time checks and provides detailed information about the detected components.
  3. WhatCMS ( While WhatCMS can detect various CMS platforms, including WordPress, it doesn’t focus solely on WordPress themes and plugins. It performs website scanning to determine the underlying CMS and other relevant details.
  4. ( This website offers a range of tools and resources for WordPress users, including a plugin detector. It provides information about the plugins used on a WordPress site and updates the results in real-time.

These alternatives offer the advantage of checking the website every time you run a check, ensuring that you receive the most up-to-date information about the themes and plugins used on a WordPress site.