ExtJS is a JavaScript framework developed by Sencha, designed for creating feature-rich, cross-platform web applications with a comprehensive set of UI components and tools.

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Companies

359

Top Country

US

Top Industry

Association

Adoption Insights

ExtJS is used by 359 companies in our database, representing approximately 0.01% of all tracked websites. The most common industry using ExtJS is Association, and adoption is strongest in US.

Top Countries Using ExtJS

US188 companies
DE37 companies
CH16 companies
AU15 companies
CA12 companies
FR11 companies
GB10 companies
TH9 companies
BR8 companies
RU8 companies

Top Industries Using ExtJS

Association21 companies
Advertising17 companies
Consulting17 companies
Information Technology14 companies
Health Care13 companies
Communities11 companies
E-Commerce9 companies
Industrial8 companies
Cloud Computing7 companies
Accounting7 companies

Companies Using ExtJS

CompanyDomain
comScorecomscore.com
CloudMargincloudmargin.com
Inertiainertiasystems.com
Fayefindfaye.com
Surfsharksurfshark.com
Deepdivedeepdivetech.ai
Nodal Exchangenodalexchange.com
Wildixwildix.com
SimplyWorksimplywork.com
Bank Invoicebankinvoice.com

How We Detect ExtJS

The Web Radar detects ExtJS 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 ExtJS?+

ExtJS is a JavaScript framework developed by Sencha, designed for creating feature-rich, cross-platform web applications with a comprehensive set of UI components and tools.

How many companies use ExtJS?+

359 companies in our database use ExtJS, representing approximately 0.01% of all tracked websites.

What industries use ExtJS the most?+

The top industries using ExtJS are Association, Advertising, Consulting.

What countries use ExtJS the most?+

The top countries using ExtJS are US, DE, CH.

Is ExtJS popular?+

ExtJS is used by 359 companies, making it a notable JavaScript frameworks technology based on adoption across our tracked websites.

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Data last updated: June 2026