Prefix-Free is a JavaScript library that automatically removes browser vendor prefixes from CSS properties, enabling developers to use standard CSS without worrying about cross-browser compatibility issues.

Buy the full dataset

Get all 1,255 companies using Prefix-Free

CSV with domain, country, industry, employees, funding, socials. Delivered by email.

$627.50
one-time · instant delivery
See what's inside →

Companies

1,255

Top Country

US

Top Industry

Advertising

Adoption Insights

Prefix-Free is used by 1,255 companies in our database, representing approximately 0.04% of all tracked websites. The most common industry using Prefix-Free is Advertising, and adoption is strongest in US.

Top Countries Using Prefix-Free

US621 companies
GB103 companies
CA66 companies
DE64 companies
FR46 companies
BR41 companies
CH37 companies
ES36 companies
AU36 companies
JP33 companies

Top Industries Using Prefix-Free

Advertising79 companies
Consulting66 companies
Health Care57 companies
Industrial51 companies
Building Material39 companies
Commercial38 companies
Construction30 companies
Electronics27 companies
Manufacturing24 companies
Information Technology22 companies

Companies Using Prefix-Free

CompanyDomain
PKF O'Connor Daviespkfod.com
Cordialcordial.com
Lightelligencelightelligence.ai
Care Options for Kidscofk.com
Nocion Therapeuticsnociontx.com
Koyfinkoyfin.com
Visionularvisionular.com
Common Wealthcommonwealthretirement.com
Auto Serverautoserver.co.jp
CytomX Therapeuticscytomx.com

How We Detect Prefix-Free

The Web Radar detects Prefix-Free by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is Prefix-Free?+

Prefix-Free is a JavaScript library that automatically removes browser vendor prefixes from CSS properties, enabling developers to use standard CSS without worrying about cross-browser compatibility issues.

How many companies use Prefix-Free?+

1,255 companies in our database use Prefix-Free, representing approximately 0.04% of all tracked websites.

What industries use Prefix-Free the most?+

The top industries using Prefix-Free are Advertising, Consulting, Health Care.

What countries use Prefix-Free the most?+

The top countries using Prefix-Free are US, GB, CA.

Is Prefix-Free popular?+

Prefix-Free is used by 1,255 companies, making it one of the most widely adopted JavaScript libraries technology based on adoption across our tracked websites.

Need this data at scale?

Get ready-to-use datasets: companies, technologies, and tech adoption signals across 3M+ websites.

Browse Datasets

Data last updated: July 2026