Compare · backend frameworks

Apache Struts VS FastAPI_

As of 30 October 2026, FastAPI is named by 2,460 companies and Apache Struts by 216; Apache Struts skews to companies under 200 people (59% vs 56%), FastAPI to companies over 1,000 (23% 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, FastAPI 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%
FastAPI: 2–200 employees
56%
Apache Struts: 1,000+ employees
21%
FastAPI: 1,000+ employees
23%
Postings per company, 90 days
2.3 · 2.6
Website or DNS footprint
0 · 0
216companies name Apache Struts
2,460companies name FastAPI
0name both
489 · 6,514postings in 90 days, Apache Struts · FastAPI
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentApache StrutsshareFastAPIshareLeans
Self-employed10%703%FastAPI
2-10 employees167%35614%FastAPI
11-50 employees4822%50821%even
51-200 employees6430%51221%Apache Struts
201-500 employees2612%27111%even
501-1000 employees167%1858%even
1001-5000 employees2210%26011%even
5001-10000 employees31%793%even
10,001+ employees209%2199%even
By industry
SegmentApache StrutsshareFastAPIshareLeans
Technology & software16375%1,45659%Apache Struts
Business & finance services3516%46319%FastAPI
Consumer services & leisure63%623%even
Manufacturing & industry31%1827%FastAPI
Media & content31%562%even
Automotive10%171%even
Commerce & trade10%372%even
Public, community & associations10%572%even
Health care10%261%even
Hospitality & travel10%––outside top 12
Utilities & infrastructure10%502%even
Property & construction––271%outside top 12
Transport, logistics & rental––141%outside top 12
By country
SegmentApache StrutsshareFastAPIshareLeans
United States14768%1,40257%Apache Struts
France136%934%Apache Struts
United Kingdom136%1908%even
India105%1305%even
Italy52%281%even
Australia42%261%even
Singapore42%321%even
Spain31%271%even
Belgium21%––outside top 12
Brazil21%––outside top 12
Germany21%1396%FastAPI
Romania21%––outside top 12
Canada––492%outside top 12
Poland––372%outside top 12
Netherlands––281%outside top 12
Postings by team (share of each tool's postings)
SegmentApache StrutsshareFastAPIshareLeans
Software engineering1,64880%4,79655%Apache Struts
IT operations & business systems744%2453%even
Unclassified533%230%Apache Struts
Product, program & project management100%521%even
Data & AI80%2,63430%FastAPI
Engineering (non-software)60%881%even
Education & training50%80%even
construction and civil40%––outside top 12
Design & UX20%––outside top 12
Administration & office10%––outside top 12
Business development & strategy10%––outside top 12
Customer service & success10%80%even
Sales––190%outside top 12
General management & consulting––180%outside top 12
Marketing & communications––130%outside top 12
Finance & accounting––120%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

FastAPI is named by 2,460 companies in job postings and Apache Struts by 216; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-struts-vs-fastapi)
How we know

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.
FAQ

Apache Struts vs FastAPI: questions

Which is more used, Apache Struts or FastAPI?

By companies naming it in their own job postings, FastAPI (2,460) over Apache Struts (216). By website-and-DNS footprint, FastAPI (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 56% for FastAPI. 21% of Apache Struts companies have over 1,000 employees, against 23% for FastAPI.

Do companies run both?

0 companies name both in their postings, usually Apache Struts in marketing and FastAPI 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.

Companies and people

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