Detect 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.
01
Websites using Prefix-Free
3 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| uqam.ca | 8/3/2026 |
| clearwatercounty.ca | 8/6/2026 |
| carstairs.ca | 8/6/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Prefix-Free signature at the time of the scan.
- Does not establish
- A sitewide install of Prefix-Free, an active vendor contract, exclusive use, or that Prefix-Free is still in place today.
03
How to check a site for Prefix-Free
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Prefix-Free signals.
- 2. PluginView reads only public responses and scores them against proprietary Prefix-Free fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Prefix-Free on the results page.
04
FAQ: detecting Prefix-Free
- Can PluginView detect Prefix-Free without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Prefix-Free. It does not bypass authentication or paywalls.
- What category is Prefix-Free?
- Prefix-Free is classified under JavaScript libraries in the PluginView directory.
- Does PluginView publish Prefix-Free fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
