# OpenLink Structured Data Sniffer

> Detects structured data on pages (JSON-LD, Microdata, RDFa) and lets you view & copy snippets.

Canonical page: [https://chrome-stats.com/d/openlinkstructured](https://chrome-stats.com/d/openlinkstructured)

## Overview

- **ID:** `openlinkstructured`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** openlinkstructured
- **Category:** other
- **Daily users:** 2
- **Weekly downloads:** 1
- **Version:** 1.0.0
- **Last updated:** 2025-11-05
- **First published:** 2025-11-02
- **Size:** 13 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/openlinkstructured/)
- **Website:** [https://s8s8.org/](https://s8s8.org/)

## Description

Detects structured data (JSON-LD, Microdata, RDFa) on web pages. View, inspect, and copy snippets easily.

## Rankings

- #67,033 — Overall
- #166 — data

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `<all_urls>`
- `tabs`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/openlinkstructured)