Firebase 4.x icon

Websites using Firebase 4.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

1.9k live Firebase 4.x sites, ready to export.

That's how many Firebase 4.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.

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

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Firebase 4.x companies in the United States

Every Firebase 4.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 4.x sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Firebase 4.x websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

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Versions

Which Firebase 4.x versions are most used?

We could read a version number on 83% of Firebase 4.x sites. Of those, the most common are Firebase 4.10.0, on 1,048 sites, Firebase 4.9.1, on 121 sites and Firebase 4.6.2, on 72 sites.

65% on v4.10.0
Versions detected
16
Sites with a version
1,609
Share of sites by version
v4.10.0 65% v4.9.1 8% v4.6.2 4% v4.12.1 4% v4.8.1 3% v4.9.0 2% v4.13.0 2% v4.11.0 2% v4.12.0 2% v4.10.1 1% v4.6.1 1% v4.6.0 1% v4.7.0 1% v4.8.0 1% v4.8.2 1% v4.5.2 <1%
Live Websites

Websites Using Firebase 4.x

A sample of live Firebase 4.x sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
degusta.com.co
HTTP/3CloudflareGoogle AnalyticsLodashcdnjs
September 27, 2026
listen2myshow.com
jQueryPHPApache HTTP ServerGoogle Tag ManagerOWL Carousel
September 27, 2026
mapifypro.com
PHPMySQLHTTP/3WordPressApache HTTP Server
September 26, 2026
citilov.ru
jQueryPHPNginxHSTSWOW
September 26, 2026
metalbond.cl
jQueryHTTP/3Google AnalyticsLiteSpeedGoogle Tag Manager
September 26, 2026
matter.health
jQueryHSTSGoogle Tag ManagerSlickjsDelivr
September 26, 2026
sportstrade.io
jQueryPHPApache HTTP ServerCloudflareGoogle Analytics
September 25, 2026
villamayor.es
jQueryPHPNginxGoogle Maps
September 25, 2026
yargiakademi.com.tr
NginxHSTSBootstrapGoogle Tag ManagerreCAPTCHA
September 25, 2026
tira-sf.id
jQueryPHPApache HTTP ServerGoogle AnalyticsSlick
September 25, 2026

How many websites use Firebase 4.x?

We found Firebase 4.x on 1,930 websites in our September 2026 crawl, across 90 countries.

Which countries use Firebase 4.x the most?

By number of websites, the top countries are United States (44%, 856 sites), France (4%, 85 sites), India (4%, 69 sites), United Kingdom (3%, 62 sites) and Brazil (3%, 55 sites). Together they account for 58% of the 1,930 Firebase 4.x sites we track. 55% of the sites are in English, and .com is the most used domain ending, on 55% of them.

Where are Firebase 4.x websites hosted?

The networks carrying the most Firebase 4.x sites are Google LLC (943 sites), Cloudflare, Inc. (181 sites) and Amazon.com, Inc. (143 sites).

What technologies are used with Firebase 4.x?

Across the 1,930 Firebase 4.x sites we track, the technologies most often found alongside it are Bootstrap (75%, 1,439 sites), HSTS (69%, 1,330 sites), HTTP/3 (67%, 1,300 sites), Lodash (55%, 1,064 sites) and React (54%, 1,046 sites).

Deep Dive

Breakdown of Firebase 4.x websites

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

FAQ

Answers drawn from our latest crawl of Firebase 4.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.