Firebase icon

Websites using Firebase

Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.

Lead List Exporter

104.7k live Firebase sites, ready to export.

That's how many Firebase websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

Start with a list template

Every Firebase website we detected in the United States.

Only sites where a personal, company-hosted email was found.

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Firebase websites on .com domains.

Only sites where an organisation phone number was found.

Create your own
Versions

Which Firebase versions are most used?

We could read a version number on 26% of Firebase sites. Of those, the most common are Firebase 8, on 7,421 sites, Firebase 9, on 5,216 sites and Firebase 5, on 4,464 sites.

27% on v8
Versions detected
9
Sites with a version
27,229
Share of sites by version
v8 27% v9 19% v5 16% v7 13% v10 9% v4 7% v6 4% v11 4% v12 1%
Live Websites

Websites Using Firebase

A sample of live Firebase sites from our latest crawl, with the other technologies each one runs.

How many websites use Firebase?

We found Firebase on 104,789 websites in our September 2026 crawl, across 173 countries.

Which countries use Firebase the most?

By number of websites, the top countries are United States (10%, 10,031 sites), India (4%, 3,783 sites), Brazil (2%, 2,072 sites), Germany (2%, 1,675 sites) and United Kingdom (1%, 1,512 sites). Together they account for 18% of the 104,789 Firebase sites we track. 49% of the sites are in English, and .com is the most used domain ending, on 43% of them.

Where are Firebase websites hosted?

The networks carrying the most Firebase sites are Fastly, Inc. (70,025 sites), Cloudflare, Inc. (8,879 sites) and Amazon.com, Inc. (6,118 sites).

What technologies are used with Firebase?

Across the 104,789 Firebase sites we track, the technologies most often found alongside it are HTTP/3 (84%, 87,623 sites), HSTS (81%, 84,637 sites), jQuery (32%, 33,423 sites), Bootstrap (23%, 24,327 sites) and Cloudflare (21%, 22,275 sites).

Deep Dive

Breakdown of Firebase websites

What else they run, plus their language, hosting network, domain extension and country.

Same category

Other technologies in Databases

Databases technologies run on 33.03% of the websites we track. Firebase ranks #3 of 12, on 0.62% of Databases sites.

All Databases technologies

FAQ

Answers drawn from our latest crawl of Firebase websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.