Detect WebAssembly
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.
01
Websites using WebAssembly
1 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| makerworld.com | 8/4/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known WebAssembly signature at the time of the scan.
- Does not establish
- A sitewide install of WebAssembly, an active vendor contract, exclusive use, or that WebAssembly is still in place today.
03
How to check a site for WebAssembly
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest WebAssembly signals.
- 2. PluginView reads only public responses and scores them against proprietary WebAssembly fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for WebAssembly on the results page.
04
FAQ: detecting WebAssembly
- Can PluginView detect WebAssembly without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for WebAssembly. It does not bypass authentication or paywalls.
- What category is WebAssembly?
- WebAssembly is classified under Programming languages in the PluginView directory.
- Does PluginView publish WebAssembly 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.
