Firebase 5.x icon

Websites using Firebase 5.x

Visit firebase.google.com

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

Lead List Exporter

4.4k live Firebase 5.x sites, ready to export.

That's how many Firebase 5.x 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.

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Firebase 5.x companies in the United States

Every Firebase 5.x website we detected in the United States.

Companies with personnel emails

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

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 Firebase 5.x sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Firebase 5.x websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own
Versions

Which Firebase 5.x versions are most used?

We could read a version number on over 99% of Firebase 5.x sites. Of those, the most common are Firebase 5.5.4, on 3,065 sites, Firebase 5.9.3, on 94 sites and Firebase 5.4.2, on 88 sites.

69% on v5.5.4
Versions detected
43
Sites with a version
4,463
Share of sites by version
v5.5.4 69% v5.9.3 2% v5.4.2 2% v5.5.7 2% v5.8.2 2% v5.9.0 2% v5.5.3 1% v5.3.0 1% v5.5.2 1% v5.0.4 1% v5.9.4 1% v5.5.5 1% v5.7.0 1% v5.10.1 1% v5.5.8 1% v5.5.9 1% v5.4.1 1% v5.2.0 1% v5.7.2 1% v5.3.1 1% v5.8.0 1% v5.10.0 1% v5.9.1 1% v5.9.2 1% v5.1.0 <1% v5.0.1 <1% v5.8.5 <1% v5.6.0 <1% v5.0.0 <1% v5.8.4 <1% v5.8.1 <1% v5.5.6 <1% v5.4.0 <1% v5.5.0 <1% v5.0.2 <1% v5.8.6 <1% v5.8.3 <1% v5.7.3 <1% v5.0.3 <1% v5.7.1 <1% v5.11.1 <1% v5.5.1 <1% v5.11.0 <1%
Live Websites

Websites Using Firebase 5.x

A sample of live Firebase 5.x sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
injurytrak.app
jQueryBootstrapGoogle AnalyticsMicrosoft ASP.NETWindows Server
September 27, 2026
indoslot303games.com
jQueryHTTP/3CloudflareLiteSpeedGoogle Tag Manager
September 27, 2026
ievent.co.il
jQueryPHPHTTP/3CloudflareGoogle Analytics
September 27, 2026
betting-advise.com
jQueryPHPApache HTTP ServerBootstrapGoogle Tag Manager
September 27, 2026
4thib.co.uk
jQueryPHPApache HTTP ServerYouTubeMyBB
September 27, 2026
wtk.pl
jQueryPHPApache HTTP ServerBootstrapCloudflare
September 27, 2026
astraflowers.com
NginxGoogle AnalyticsreCAPTCHARubyRuby on Rails
September 26, 2026
lokadarshan.news
jQueryNginxBootstrapGoogle Tag ManagerSlick
September 26, 2026
realtors.am
jQueryHTTP/3BootstrapCloudflarejQuery UI
September 26, 2026
monlimoilou.com
jQueryPHPMySQLHTTP/3WordPress
September 25, 2026

How many websites use Firebase 5.x?

We found Firebase 5.x on 4,464 websites in our September 2026 crawl, across 78 countries.

Which countries use Firebase 5.x the most?

By number of websites, the top countries are United States (72%, 3,206 sites), Japan (2%, 98 sites), Canada (2%, 91 sites), United Kingdom (2%, 81 sites) and India (1%, 66 sites). Together they account for 79% of the 4,464 Firebase 5.x sites we track. 80% of the sites are in English, and .com is the most used domain ending, on 79% of them.

Where are Firebase 5.x websites hosted?

The networks carrying the most Firebase 5.x sites are Amazon.com, Inc. (3,201 sites), Cloudflare, Inc. (246 sites) and Fastly, Inc. (169 sites).

What technologies are used with Firebase 5.x?

Across the 4,464 Firebase 5.x sites we track, the technologies most often found alongside it are Google Tag Manager (77%, 3,435 sites), reCAPTCHA (73%, 3,257 sites), Microsoft ASP.NET (70%, 3,124 sites), Amazon Web Services (70%, 3,122 sites) and Windows Server (69%, 3,101 sites).

Deep Dive

Breakdown of Firebase 5.x websites

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

FAQ

Answers drawn from our latest crawl of Firebase 5.x 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.