Compare · backend frameworks

Classic ASP VS FastAPI_

As of 30 October 2026, FastAPI is named by 2,460 companies and Classic ASP by 347; Classic ASP skews to companies under 200 people (53% vs 56%), FastAPI to companies over 1,000 (23% vs 30%).

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: Classic ASP'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.

Classic ASP: 2–200 employees
53%
FastAPI: 2–200 employees
56%
Classic ASP: 1,000+ employees
30%
FastAPI: 1,000+ employees
23%
Postings per company, 90 days
2.1 · 2.6
Website or DNS footprint
0 · 0
347companies name Classic ASP
2,460companies name FastAPI
0name both
740 · 6,514postings in 90 days, Classic ASP · 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
SegmentClassic ASPshareFastAPIshareLeans
2-10 employees195%35614%FastAPI
11-50 employees9527%50821%Classic ASP
51-200 employees7120%51221%even
201-500 employees3911%27111%even
501-1000 employees206%1858%even
1001-5000 employees4613%26011%Classic ASP
5001-10000 employees185%793%even
10,001+ employees3911%2199%Classic ASP
Self-employed––703%outside top 12
By industry
SegmentClassic ASPshareFastAPIshareLeans
Technology & software15444%1,45659%FastAPI
Business & finance services7221%46319%even
Manufacturing & industry4312%1827%Classic ASP
Public, community & associations144%572%even
Property & construction123%271%Classic ASP
Utilities & infrastructure93%502%even
Consumer services & leisure82%623%even
Media & content82%562%even
Automotive72%171%even
Health care72%261%even
Commerce & trade51%372%even
Transport, logistics & rental51%141%even
By country
SegmentClassic ASPshareFastAPIshareLeans
United States19957%1,40257%even
Canada206%492%Classic ASP
Germany206%1396%even
India206%1305%even
United Kingdom165%1908%FastAPI
France154%934%even
Singapore72%321%even
Australia51%261%even
Netherlands51%281%even
Italy41%281%even
Switzerland31%––outside top 12
Spain31%271%even
Poland––372%outside top 12
Postings by team (share of each tool's postings)
SegmentClassic ASPshareFastAPIshareLeans
Software engineering62149%4,79655%FastAPI
IT operations & business systems18514%2453%Classic ASP
Finance & accounting353%120%Classic ASP
Product, program & project management353%521%Classic ASP
Data & AI292%2,63430%FastAPI
Engineering (non-software)262%881%even
social care and community222%––outside top 12
Sales191%190%even
facilities cleaning and security161%––outside top 12
construction and civil151%––outside top 12
Customer service & success141%80%even
Quality, safety & environment141%––outside top 12
Unclassified––230%outside top 12
General management & consulting––180%outside top 12
Marketing & communications––130%outside top 12
Education & training––80%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 Classic ASP by 347; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/classic-asp-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

Classic ASP vs FastAPI: questions

Which is more used, Classic ASP or FastAPI?

By companies naming it in their own job postings, FastAPI (2,460) over Classic ASP (347). By website-and-DNS footprint, FastAPI (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Classic ASP?

53% of Classic ASP companies have 2 to 200 employees, against 56% for FastAPI. 30% of Classic ASP companies have over 1,000 employees, against 23% for FastAPI.

Do companies run both?

0 companies name both in their postings, usually Classic ASP 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

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 Classic ASP or FastAPI, and get 1,000 records free.

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