Detect Lozad.js
Lozad.js is a lightweight lazy-loading library that's just 535 bytes minified & gzipped.
01
Websites using Lozad.js
31 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| pchome.com.tw | 8/3/2026 |
| securityweek.com | 8/3/2026 |
| betterhelp.com | 8/3/2026 |
| heylink.me | 8/3/2026 |
| newsmax.com | 8/3/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Lozad.js signature at the time of the scan.
- Does not establish
- A sitewide install of Lozad.js, an active vendor contract, exclusive use, or that Lozad.js is still in place today.
03
How to check a site for Lozad.js
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Lozad.js signals.
- 2. PluginView reads only public responses and scores them against proprietary Lozad.js fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Lozad.js on the results page.
04
FAQ: detecting Lozad.js
- Can PluginView detect Lozad.js without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Lozad.js. It does not bypass authentication or paywalls.
- What category is Lozad.js?
- Lozad.js is classified under JavaScript libraries, Performance in the PluginView directory.
- Does PluginView publish Lozad.js 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.
