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

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Companies

4,342

Top Country

US

Top Industry

Consulting

Adoption Insights

Twenty Twenty-One is used by 4,342 companies in our database, representing approximately 0.15% of all tracked websites. The most common industry using Twenty Twenty-One is Consulting, and adoption is strongest in US.

Top Countries Using Twenty Twenty-One

US2,238 companies
GB356 companies
AU260 companies
CA214 companies
BR195 companies
DE191 companies
FR133 companies
IT116 companies
ES81 companies
TH77 companies

Top Industries Using Twenty Twenty-One

Consulting295 companies
Health Care225 companies
Advertising211 companies
Industrial117 companies
Information Technology90 companies
Advice89 companies
Construction83 companies
Manufacturing82 companies
Education76 companies
Business Development75 companies

Companies Using Twenty Twenty-One

CompanyDomain
Reltioreltio.com
FineHeartfineheart.fr
Deepwatchdeepwatch.com
Jupiter Neurosciencesjupiterneurosciences.com
GROUNDFLOORgroundfloor.us
Suma Wealthsumawealth.com
Sapientsapient.bio
Vertical Computeverticalcompute.com
Friendship Villagefriendshipvillagemi.com
Current Healthcurrenthealth.com

How We Detect Twenty Twenty-One

The Web Radar detects Twenty Twenty-One by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is Twenty Twenty-One?+

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

How many companies use Twenty Twenty-One?+

4,342 companies in our database use Twenty Twenty-One, representing approximately 0.15% of all tracked websites.

What industries use Twenty Twenty-One the most?+

The top industries using Twenty Twenty-One are Consulting, Health Care, Advertising.

What countries use Twenty Twenty-One the most?+

The top countries using Twenty Twenty-One are US, GB, AU.

Is Twenty Twenty-One popular?+

Twenty Twenty-One is used by 4,342 companies, making it one of the most widely adopted WordPress themes technology based on adoption across our tracked websites.

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Data last updated: June 2026