Can PluginView detect Letro without logging in?

Yes. PluginView only reads publicly accessible responses when checking for Letro — typically script sources, javascript globals. It does not bypass authentication or paywalls.

What category is Letro?

Letro is classified under Reviews, Content curation in the PluginView directory.

How many fingerprint rules cover Letro?

This reference currently tracks 3 fingerprint rules across script sources, javascript globals. Individual rule bodies are proprietary and are not published.

What public signals suggest a site uses Letro?

Illustrative public indicators for Letro include letro.jp/tags; __letroUgcGadget; letroUgcSet. A live scan may match additional proprietary rules beyond these examples.

Detect Letro

ReviewsContent curation

Letro is a UGC and review tool for ecommerce platforms.

Detection looks at script sources, javascript globals across 3 fingerprint rules among the site's public responses.

Websites using Letro

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Signal classes

PluginView evaluates public page signals in these classes when identifying Letro. Individual fingerprint rule bodies are proprietary and are not published.

Script sources
JavaScript globals

Example public indicators for Letro

Illustrative indicators derived from public catalog metadata for Letro. A live scan may match additional proprietary rules beyond these examples.

letro.jp/tags
__letroUgcGadget
letroUgcSet

What a detection means

Establishes: One or more public signals on the scanned page matched a known Letro signature (3 rules) at the time of the scan.
Does not establish: A sitewide install of Letro, an active vendor contract, exclusive use, or that Letro is still in place today.

How to check a site for Letro

1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Letro signals.
2. PluginView reads only public responses (script sources, javascript globals) and scores them against the Letro signature set (3 rules).
3. Review the confidence score and text explanation for Letro on the results page.

FAQ: detecting Letro

Can PluginView detect Letro without logging in?: Yes. PluginView only reads publicly accessible responses when checking for Letro — typically script sources, javascript globals. It does not bypass authentication or paywalls.
What category is Letro?: Letro is classified under Reviews, Content curation in the PluginView directory.
How many fingerprint rules cover Letro?: This reference currently tracks 3 fingerprint rules across script sources, javascript globals. Individual rule bodies are proprietary and are not published.
What public signals suggest a site uses Letro?: Illustrative public indicators for Letro include letro.jp/tags; __letroUgcGadget; letroUgcSet. A live scan may match additional proprietary rules beyond these examples.