WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.

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Companies

40

Top Country

US

Top Industry

Consulting

Adoption Insights

WebAssembly is used by 40 companies in our database, representing approximately 0.00% of all tracked websites. The most common industry using WebAssembly is Consulting, and adoption is strongest in US.

Top Countries Using WebAssembly

US19 companies
DE3 companies
GB3 companies
ES3 companies
FR2 companies
AU2 companies
CA1 companies
BR1 companies
BU1 companies
HU1 companies

Top Industries Using WebAssembly

Consulting3 companies
Artificial Intelligence (AI)2 companies
Electronics2 companies
Industrial Automation2 companies
Analytics2 companies
B2B1 companies
Automotive1 companies
Apps1 companies
Cloud Computing1 companies
CRM1 companies

Top Alternatives to WebAssembly

Other Programming languages technologies sorted by adoption

How We Detect WebAssembly

The Web Radar detects WebAssembly 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 WebAssembly?+

WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.

How many companies use WebAssembly?+

40 companies in our database use WebAssembly, representing approximately 0.00% of all tracked websites.

What industries use WebAssembly the most?+

The top industries using WebAssembly are Consulting, Artificial Intelligence (AI), Electronics.

What countries use WebAssembly the most?+

The top countries using WebAssembly are US, DE, GB.

Is WebAssembly popular?+

WebAssembly is used by 40 companies, making it a notable Programming languages technology based on adoption across our tracked websites.

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Data last updated: June 2026