# Subresource Integrity Tester

> Check if external scripts and stylesheets use Subresource Integrity (SRI).

Canonical page: [https://chrome-stats.com/d/subresource-integrity-tester](https://chrome-stats.com/d/subresource-integrity-tester)

## Overview

- **ID:** `subresource-integrity-tester`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** sri-tester
- **Category:** other
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-07-12
- **First published:** 2025-07-09
- **Size:** 15 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/subresource-integrity-tester/)
- **Website:** [https://lu88z.net/](https://lu88z.net/)

## Description

Analyze the current webpage to check whether external scripts and stylesheets implement Subresource Integrity (SRI). Helps ensure resource integrity and prevent tampering by verifying that third-party assets are securely loaded.

## Rankings

- #107,828 — Overall
- #141 — resource
- #153 — pinterest
- #165 — source code
- #237 — interest

## Permissions and access

### Permissions

- `activeTab`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- 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/subresource-integrity-tester)