Java Virtual Machine VS WebAssembly
As of 4 November 2026, WebAssembly is named by 215 companies and Java Virtual Machine by 806; Java Virtual Machine skews to companies under 200 people (40% vs 58%), WebAssembly to companies over 1,000 (19% vs 31%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Java Virtual Machine's script and mail records show on hundreds of thousands of small sites, WebAssembly rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Java Virtual Machine: 2–200 employees
- 40%
- WebAssembly: 2–200 employees
- 58%
- Java Virtual Machine: 1,000+ employees
- 31%
- WebAssembly: 1,000+ employees
- 19%
- Postings per company, 90 days
- 2.3 · 2.3
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Java Virtual Machine | share | WebAssembly | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 26 | 3% | 16 | 7% | WebAssembly |
| 2-10 employees | 48 | 6% | 29 | 13% | WebAssembly |
| 11-50 employees | 121 | 15% | 53 | 25% | WebAssembly |
| 51-200 employees | 151 | 19% | 42 | 20% | even |
| 201-500 employees | 119 | 15% | 25 | 12% | Java Virtual Machine |
| 501-1000 employees | 88 | 11% | 9 | 4% | Java Virtual Machine |
| 1001-5000 employees | 138 | 17% | 19 | 9% | Java Virtual Machine |
| 5001-10000 employees | 34 | 4% | 11 | 5% | even |
| 10,001+ employees | 81 | 10% | 11 | 5% | Java Virtual Machine |
| Segment | Java Virtual Machine | share | WebAssembly | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 453 | 56% | 123 | 57% | even |
| Business & finance services | 176 | 22% | 27 | 13% | Java Virtual Machine |
| Media & content | 42 | 5% | 14 | 7% | even |
| Commerce & trade | 29 | 4% | 1 | 0% | Java Virtual Machine |
| Manufacturing & industry | 28 | 3% | 27 | 13% | WebAssembly |
| Utilities & infrastructure | 17 | 2% | 2 | 1% | even |
| Consumer services & leisure | 16 | 2% | 4 | 2% | even |
| Public, community & associations | 12 | 1% | 4 | 2% | even |
| Hospitality & travel | 9 | 1% | – | – | outside top 12 |
| Property & construction | 8 | 1% | 2 | 1% | even |
| Transport, logistics & rental | 8 | 1% | 6 | 3% | even |
| Automotive | 6 | 1% | 1 | 0% | even |
| Health care | – | – | 3 | 1% | outside top 12 |
| Segment | Java Virtual Machine | share | WebAssembly | share | Leans |
|---|---|---|---|---|---|
| United States | 460 | 57% | 127 | 59% | even |
| United Kingdom | 70 | 9% | 15 | 7% | even |
| Germany | 41 | 5% | 18 | 8% | WebAssembly |
| India | 21 | 3% | 2 | 1% | even |
| Canada | 13 | 2% | 5 | 2% | even |
| France | 13 | 2% | – | – | outside top 12 |
| Netherlands | 13 | 2% | 2 | 1% | even |
| Poland | 13 | 2% | – | – | outside top 12 |
| Australia | 11 | 1% | – | – | outside top 12 |
| Singapore | 10 | 1% | 3 | 1% | even |
| Brazil | 9 | 1% | – | – | outside top 12 |
| Austria | 6 | 1% | – | – | outside top 12 |
| Italy | – | – | 12 | 6% | outside top 12 |
| Sweden | – | – | 4 | 2% | outside top 12 |
| South Africa | – | – | 3 | 1% | outside top 12 |
| Spain | – | – | 2 | 1% | outside top 12 |
| Japan | – | – | 2 | 1% | outside top 12 |
| Segment | Java Virtual Machine | share | WebAssembly | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,968 | 76% | 454 | 72% | Java Virtual Machine |
| Data & AI | 155 | 6% | 21 | 3% | Java Virtual Machine |
| IT operations & business systems | 116 | 4% | 42 | 7% | WebAssembly |
| Customer service & success | 26 | 1% | 5 | 1% | even |
| Engineering (non-software) | 22 | 1% | 5 | 1% | even |
| Finance & accounting | 9 | 0% | – | – | outside top 12 |
| Product, program & project management | 9 | 0% | 10 | 2% | even |
| Sales | 8 | 0% | 1 | 0% | even |
| Research and science | 3 | 0% | 1 | 0% | even |
| Unclassified | 3 | 0% | 2 | 0% | even |
| General management & consulting | 2 | 0% | 1 | 0% | even |
| Human resources | 2 | 0% | 3 | 0% | even |
| Construction and civil | 1 | 0% | – | – | outside top 12 |
| Education & training | 1 | 0% | 2 | 0% | even |
| Healthcare clinical | 1 | 0% | – | – | outside top 12 |
| Marketing & communications | 1 | 0% | 2 | 0% | even |
| Quality, safety & environment | 1 | 0% | – | – | outside top 12 |
| Skilled trades and field service | 1 | 0% | – | – | outside top 12 |
| Arts media and entertainment | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Java Virtual Machine →
Companies using WebAssembly →
runtimes platforms ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
WebAssembly is named by 215 companies in job postings and Java Virtual Machine by 806; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/jvm-vs-webassembly)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Java Virtual Machine vs WebAssembly: questions
Which is more used, Java Virtual Machine or WebAssembly?
By companies naming it in their own job postings, Java Virtual Machine (806) over WebAssembly (215). By website-and-DNS footprint, WebAssembly (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Java Virtual Machine?
40% of Java Virtual Machine companies have 2 to 200 employees, against 58% for WebAssembly. 31% of Java Virtual Machine companies have over 1,000 employees, against 19% for WebAssembly.
Do companies run both?
0 companies name both in their postings, usually Java Virtual Machine in marketing and WebAssembly in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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