Java Servlet VS Ruby on Rails
As of 30 October 2026, Ruby on Rails is named by 937 companies and Java Servlet by 245; Java Servlet skews to companies under 200 people (54% vs 71%), Ruby on Rails to companies over 1,000 (10% vs 24%).
As of 30 October 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 Servlet's script and mail records show on hundreds of thousands of small sites, Ruby on Rails rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Java Servlet: 2–200 employees
- 54%
- Ruby on Rails: 2–200 employees
- 71%
- Java Servlet: 1,000+ employees
- 24%
- Ruby on Rails: 1,000+ employees
- 10%
- Postings per company, 90 days
- 2.0 · 2.5
- 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 Servlet | share | Ruby on Rails | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 11 | 1% | even |
| 2-10 employees | 12 | 5% | 92 | 10% | Ruby on Rails |
| 11-50 employees | 52 | 21% | 311 | 33% | Ruby on Rails |
| 51-200 employees | 68 | 28% | 258 | 28% | even |
| 201-500 employees | 31 | 13% | 115 | 12% | even |
| 501-1000 employees | 20 | 8% | 52 | 6% | Java Servlet |
| 1001-5000 employees | 24 | 10% | 64 | 7% | Java Servlet |
| 5001-10000 employees | 10 | 4% | 18 | 2% | Java Servlet |
| 10,001+ employees | 25 | 10% | 16 | 2% | Java Servlet |
| Segment | Java Servlet | share | Ruby on Rails | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 173 | 71% | 589 | 63% | Java Servlet |
| Business & finance services | 36 | 15% | 161 | 17% | Ruby on Rails |
| Manufacturing & industry | 11 | 4% | 29 | 3% | even |
| Consumer services & leisure | 8 | 3% | 32 | 3% | even |
| Public, community & associations | 5 | 2% | 20 | 2% | even |
| Health care | 3 | 1% | 13 | 1% | even |
| Media & content | 3 | 1% | 35 | 4% | Ruby on Rails |
| Commerce & trade | 2 | 1% | 23 | 2% | even |
| Automotive | 1 | 0% | – | – | outside top 12 |
| Hospitality & travel | 1 | 0% | 8 | 1% | even |
| Property & construction | 1 | 0% | 9 | 1% | even |
| Utilities & infrastructure | 1 | 0% | 5 | 1% | even |
| Transport, logistics & rental | – | – | 10 | 1% | outside top 12 |
| Segment | Java Servlet | share | Ruby on Rails | share | Leans |
|---|---|---|---|---|---|
| United States | 163 | 67% | 580 | 62% | Java Servlet |
| India | 25 | 10% | 31 | 3% | Java Servlet |
| United Kingdom | 14 | 6% | 64 | 7% | even |
| Canada | 7 | 3% | 24 | 3% | even |
| Germany | 5 | 2% | 48 | 5% | Ruby on Rails |
| Romania | 5 | 2% | – | – | outside top 12 |
| Singapore | 4 | 2% | – | – | outside top 12 |
| Brazil | 3 | 1% | – | – | outside top 12 |
| Italy | 2 | 1% | 9 | 1% | even |
| Poland | 2 | 1% | 10 | 1% | even |
| United Arab Emirates | 1 | 0% | – | – | outside top 12 |
| Australia | 1 | 0% | 15 | 2% | even |
| Japan | – | – | 23 | 2% | outside top 12 |
| France | – | – | 19 | 2% | outside top 12 |
| Netherlands | – | – | 19 | 2% | outside top 12 |
| Switzerland | – | – | 8 | 1% | outside top 12 |
| Segment | Java Servlet | share | Ruby on Rails | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,601 | 77% | 2,654 | 71% | Java Servlet |
| IT operations & business systems | 92 | 4% | 141 | 4% | even |
| Unclassified | 49 | 2% | 27 | 1% | even |
| Data & AI | 8 | 0% | 127 | 3% | Ruby on Rails |
| Education & training | 7 | 0% | 18 | 0% | even |
| Engineering (non-software) | 7 | 0% | 76 | 2% | even |
| Product, program & project management | 6 | 0% | 52 | 1% | even |
| Customer service & success | 5 | 0% | 38 | 1% | even |
| General management & consulting | 3 | 0% | 26 | 1% | even |
| Sales | 3 | 0% | 31 | 1% | even |
| Construction and civil | 2 | 0% | – | – | outside top 12 |
| Design & UX | 2 | 0% | 15 | 0% | even |
| Marketing & communications | – | – | 14 | 0% | outside top 12 |
The companies behind each column
Companies using Java Servlet →
Companies using Ruby on Rails →
backend frameworks ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Ruby on Rails is named by 937 companies in job postings and Java Servlet by 245; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/java-servlet-vs-ruby-on-rails)
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 Servlet vs Ruby on Rails: questions
Which is more used, Java Servlet or Ruby on Rails?
By companies naming it in their own job postings, Ruby on Rails (937) over Java Servlet (245). By website-and-DNS footprint, Ruby on Rails (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Java Servlet?
54% of Java Servlet companies have 2 to 200 employees, against 71% for Ruby on Rails. 24% of Java Servlet companies have over 1,000 employees, against 10% for Ruby on Rails.
Do companies run both?
0 companies name both in their postings, usually Java Servlet in marketing and Ruby on Rails 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.
Get either list your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on either tool,
with the person who owns it
Filter on Java Servlet or Ruby on Rails. Start free, no card.