Fastify vs Usekernel
Fastify vs Usekernel, compared side by side on 11 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Fastify is on 12/100 and Usekernel on 53/100.
Where each one leads
Fastify
- agent readiness: 36/100 against 23/100
Usekernel
- our overall score: 53/100 against 12/100
At a glance
| Measure | Fastify | Usekernel |
|---|---|---|
| What it is | An open-source, highly efficient web framework for Node.js focused on speed and low overhead. | A platform simplifying browser automation with a focus on developer experience. |
| Category | Developer Tools, Open Source, API Platform, Serverless | Developer Tools, Cloud Computing, Infrastructure, AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | Not published | 2023 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Fastify | Usekernel |
|---|---|---|
| Employees | Not published | 15 |
| Total funding | Not published | $22.0M |
| Latest round | Not published | Series A |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Fastify | Usekernel |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 12/100 | 53/100 |
| Traction | Not published | 49/100 |
| Team | 30/100 | 30/100 |
| Search visibility | Not published | 11/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (36/100) | F (23/100) |
| Domain ratingLink authority, 0-100 | 76/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Fastify | Usekernel |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Fastly | Vercel |
| Frameworks | Tailwind CSS | Next.js, Tailwind CSS |
| Open source | No | Yes |
Fastify vs Usekernel: common questions
Which is better, Fastify or Usekernel?
On our 0-100 score Usekernel rates higher (53/100 against 12/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 11 data points above: read the rows that match what you are buying for.
How do Fastify and Usekernel compare on the numbers?
Fastify leads on agent readiness (36/100 against 23/100). Usekernel leads on our overall score (53/100 against 12/100).
Read the full Fastify review and pricing or the Usekernel review and pricing. You can also browse other Fastify alternatives we track.