Detect Twenty Twenty-One

WordPress themes

Twenty Twenty-One is the default WordPress theme for 2021.

Detection looks at script sources, javascript globals, dom selectors across 4 fingerprint rules among the site's public responses.

01

Websites using Twenty Twenty-One

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02

Signal classes

PluginView evaluates public page signals in these classes when identifying Twenty Twenty-One. Individual fingerprint rule bodies are proprietary and are not published.

  • Script sources
  • JavaScript globals
  • DOM selectors
03

Example public indicators for Twenty Twenty-One

Illustrative indicators derived from public catalog metadata for Twenty Twenty-One. A live scan may match additional proprietary rules beyond these examples.

  • wp-content/themes/twentytwentyone/
  • twentytwentyoneCollapseMenuOnClickOutside
  • twentytwentyoneResponsiveEmbeds
  • link#twenty-twenty-one-style-css
04

What a detection means

Establishes
One or more public signals on the scanned page matched a known Twenty Twenty-One signature (4 rules) at the time of the scan.
Does not establish
A sitewide install of Twenty Twenty-One, an active vendor contract, exclusive use, or that Twenty Twenty-One is still in place today.
05

How to check a site for Twenty Twenty-One

  1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Twenty Twenty-One signals.
  2. 2. PluginView reads only public responses (script sources, javascript globals, dom selectors) and scores them against the Twenty Twenty-One signature set (4 rules).
  3. 3. Review the confidence score and text explanation for Twenty Twenty-One on the results page.
06

FAQ: detecting Twenty Twenty-One

Can PluginView detect Twenty Twenty-One without logging in?
Yes. PluginView only reads publicly accessible responses when checking for Twenty Twenty-One — typically script sources, javascript globals, dom selectors. It does not bypass authentication or paywalls.
What category is Twenty Twenty-One?
Twenty Twenty-One is classified under WordPress themes in the PluginView directory.
How many fingerprint rules cover Twenty Twenty-One?
This reference currently tracks 4 fingerprint rules across script sources, javascript globals, dom selectors. Individual rule bodies are proprietary and are not published.
What public signals suggest a site uses Twenty Twenty-One?
Illustrative public indicators for Twenty Twenty-One include wp-content/themes/twentytwentyone/; twentytwentyoneCollapseMenuOnClickOutside; twentytwentyoneResponsiveEmbeds. A live scan may match additional proprietary rules beyond these examples.

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