Fastify
Fastify

Fastify

An open-source, highly efficient web framework for Node.js focused on speed and low overhead.

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About

Fastify is a fast and low-overhead web framework for Node.js, prioritizing developer experience and a powerful plugin architecture. It aims to be one of the fastest web frameworks available, efficiently handling resources to serve a high number of requests without sacrificing security or development ease. Fastify is used by a large ecosystem of organizations and products, with over 10 million downloads per month. Teams look it up for Developer Tools, Open Source, API Platform.

Frequently asked

What does Fastify do?

Fastify is a Developer Tools company that offers Software. Teams look it up for Open Source, API Platform, Serverless. Compare it on funding, headcount, reviews and nearby alternatives rather than the marketing line alone.

Is Fastify trustworthy and reputable?

StartupHub's Data Trust & Reputation score for Fastify is 68 out of 100, based on site security posture and privacy practices.

What industry does Fastify operate in?

Fastify operates in Developer Tools, Open Source, API Platform, Serverless, Containerization.

Scores
Measured, not editorial
Ahrefs DR
76/100

Strength of the site’s backlink profile, on Ahrefs’ 0-100 Domain Rating scale. Licensed third-party data, not our opinion.

Effective DR
79/100
Fairly rated vs Ahrefs DR 76

Our own read on real cross-surface visibility rather than raw backlink authority. A site can carry a high Domain Rating and still be invisible where people actually look, which is what this measures.

Agent Readiness
36/100

How well an AI agent can read and use this site: structured data, clean markup, and whether key facts are reachable without running JavaScript. We scan the live site.

Site Speed
94/100

Google PageSpeed mobile performance for the company’s own site. Measured by Google, not by us.

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