# HTTP Response Codes

> An offline sidebar reference for HTTP response status codes for developers, sysadmins, API designers, researchers, or students.

Canonical page: [https://chrome-stats.com/d/http-response-codes](https://chrome-stats.com/d/http-response-codes)

## Overview

- **ID:** `http-response-codes`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Libor Benes (Dr. B)
- **Category:** web-development,privacy-security,search-tools
- **Daily users:** 1
- **Weekly downloads:** 1
- **Version:** 1.0
- **Last updated:** 2025-04-03
- **First published:** 2025-03-31
- **Size:** 15 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/http-response-codes/)
- **Website:** [https://www.LinkedIn.com/In/LiborBenes](https://www.linkedin.com/In/LiborBenes)

## Description

• Includes all standard and more frequent non-standard HTTP response status codes.
• Safe Design: Completely static and local to the user's  browser. It does not send or receive data externally, ensuring no privacy or security risks from network activity.

## Rankings

- #107,852 — Overall
- #32 — response

## Safety

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

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- 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/http-response-codes)