Apache Struts VS Fastify
As of 30 October 2026, Fastify is named by 139 companies and Apache Struts by 216; Apache Struts skews to companies under 200 people (59% vs 58%), Fastify to companies over 1,000 (22% vs 21%).
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: Apache Struts's script and mail records show on hundreds of thousands of small sites, Fastify rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache Struts: 2–200 employees
- 59%
- Fastify: 2–200 employees
- 58%
- Apache Struts: 1,000+ employees
- 21%
- Fastify: 1,000+ employees
- 22%
- Postings per company, 90 days
- 2.3 · 2.9
- 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 | Apache Struts | share | Fastify | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 1 | 0% | 3 | 2% | even |
| 2-10 employees | 16 | 7% | 15 | 11% | Fastify |
| 11-50 employees | 48 | 22% | 33 | 24% | even |
| 51-200 employees | 64 | 30% | 32 | 23% | Apache Struts |
| 201-500 employees | 26 | 12% | 14 | 10% | even |
| 501-1000 employees | 16 | 7% | 12 | 9% | even |
| 1001-5000 employees | 22 | 10% | 13 | 9% | even |
| 5001-10000 employees | 3 | 1% | 2 | 1% | even |
| 10,001+ employees | 20 | 9% | 15 | 11% | even |
| Segment | Apache Struts | share | Fastify | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 163 | 75% | 88 | 63% | Apache Struts |
| Business & finance services | 35 | 16% | 23 | 17% | even |
| Consumer services & leisure | 6 | 3% | 4 | 3% | even |
| Manufacturing & industry | 3 | 1% | 6 | 4% | Fastify |
| Media & content | 3 | 1% | 3 | 2% | even |
| Automotive | 1 | 0% | 2 | 1% | even |
| Commerce & trade | 1 | 0% | 2 | 1% | even |
| Public, community & associations | 1 | 0% | 2 | 1% | even |
| Health care | 1 | 0% | 2 | 1% | even |
| Hospitality & travel | 1 | 0% | 2 | 1% | even |
| Utilities & infrastructure | 1 | 0% | – | – | outside top 12 |
| Property & construction | – | – | 2 | 1% | outside top 12 |
| Agriculture & forestry | – | – | 1 | 1% | outside top 12 |
| Segment | Apache Struts | share | Fastify | share | Leans |
|---|---|---|---|---|---|
| United States | 147 | 68% | 80 | 58% | Apache Struts |
| France | 13 | 6% | 6 | 4% | even |
| United Kingdom | 13 | 6% | 6 | 4% | even |
| India | 10 | 5% | 6 | 4% | even |
| Italy | 5 | 2% | 3 | 2% | even |
| Australia | 4 | 2% | – | – | outside top 12 |
| Singapore | 4 | 2% | 2 | 1% | even |
| Spain | 3 | 1% | – | – | outside top 12 |
| Belgium | 2 | 1% | 3 | 2% | even |
| Brazil | 2 | 1% | 5 | 4% | Fastify |
| Germany | 2 | 1% | 7 | 5% | Fastify |
| Romania | 2 | 1% | – | – | outside top 12 |
| Poland | – | – | 4 | 3% | outside top 12 |
| Netherlands | – | – | 3 | 2% | outside top 12 |
| Canada | – | – | 2 | 1% | outside top 12 |
| Segment | Apache Struts | share | Fastify | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,648 | 80% | 440 | 90% | Fastify |
| IT operations & business systems | 74 | 4% | 5 | 1% | Apache Struts |
| Unclassified | 53 | 3% | – | – | outside top 12 |
| Product, program & project management | 10 | 0% | – | – | outside top 12 |
| Data & AI | 8 | 0% | 10 | 2% | even |
| Engineering (non-software) | 6 | 0% | 5 | 1% | even |
| Education & training | 5 | 0% | – | – | outside top 12 |
| Construction and civil | 4 | 0% | – | – | outside top 12 |
| Design & UX | 2 | 0% | – | – | outside top 12 |
| Administration & office | 1 | 0% | – | – | outside top 12 |
| Business development & strategy | 1 | 0% | – | – | outside top 12 |
| Customer service & success | 1 | 0% | – | – | outside top 12 |
| Marketing & communications | – | – | 1 | 0% | outside top 12 |
| Sales | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Apache Struts →
Companies using Fastify →
backend frameworks ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Fastify is named by 139 companies in job postings and Apache Struts by 216; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-struts-vs-fastify)
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.
Apache Struts vs Fastify: questions
Which is more used, Apache Struts or Fastify?
By companies naming it in their own job postings, Apache Struts (216) over Fastify (139). By website-and-DNS footprint, Fastify (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache Struts?
59% of Apache Struts companies have 2 to 200 employees, against 58% for Fastify. 21% of Apache Struts companies have over 1,000 employees, against 22% for Fastify.
Do companies run both?
0 companies name both in their postings, usually Apache Struts in marketing and Fastify 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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