# Structure Checker - Structured

> Validate and test structured data on web pages

Canonical page: [https://chrome-stats.com/d/structure-checker-structured](https://chrome-stats.com/d/structure-checker-structured)

## Overview

- **ID:** `structure-checker-structured`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Game bài
- **Category:** web-development
- **Daily users:** 8
- **Rating:** 2.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2024-09-12
- **First published:** 2024-09-11
- **Size:** 22 KB
- **Data as of:** 2026-09-15
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/structure-checker-structured/)

## Description

Extract structured data (JSON-LD) from the current web page
Validate JSON-LD schemas using the <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/9d9f25684d519afe48ff10aa160c7c6a1518646069374f4f4458fe60a3717c84/http%3A//Schema.org" rel="nofollow">Schema.org</a> validator API
Display extracted structured data and validation results
Allow users to input custom JSON-LD schemas for validation
Save and load custom schemas for later use

## Rankings

- #36,818 — Overall
- #116 — picture

## Permissions and access

### Permissions

- `activeTab`
- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate 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 has low user count. Unpopular extensions may not be stable or safe.

> 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/structure-checker-structured)