# HTTP.cat as error pages

> Replaces all error pages with HTTP cat

Canonical page: [https://chrome-stats.com/d/http-cat-as-error-pages](https://chrome-stats.com/d/http-cat-as-error-pages)

## Overview

- **ID:** `http-cat-as-error-pages`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ilai
- **Category:** other
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.0
- **Last updated:** 2024-03-24
- **First published:** 2024-03-23
- **Size:** 3.56 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/http-cat-as-error-pages/)

## Description

Replaces the site default HTTP error page with images of <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/c8650c8a62e19fd32eaeaf4cbabd6aa4db949445a819da618d8f6ac0d1a53060/http%3A//http.cat" rel="nofollow">http.cat</a>, with music included!

## Rankings

- #130,595 — Overall
- #73 — error

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low 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).

## Similar extensions and apps

- [Catifier](https://chrome-stats.com/d/catifier) — 16 users
- [Fake Cat Generator](https://chrome-stats.com/d/fake-cat-generator) — 1 users
- [Gfycat Default HD](https://chrome-stats.com/d/gfycat-default-hd) — 44 users, 3.67 / 5
- [Catterstore](https://chrome-stats.com/d/catterstore) — 1 users
- [Catnip](https://chrome-stats.com/d/catnip) — 3 users
- [hover-cat](https://chrome-stats.com/d/hover-cat)
- [Kittify](https://chrome-stats.com/d/kittify)
- [CatCat - default search engine](https://chrome-stats.com/d/catcat-default-search-engine) — 13 users
- [Catppuccin](https://chrome-stats.com/d/catppuccin) — 1,365 users, 4.79 / 5
- [Catppuccin for Web File Explorer Icons](https://chrome-stats.com/d/catppuccin-web-file-icons) — 560 users, 5.00 / 5
- [NoHTTP](https://chrome-stats.com/d/no-http) — 1 users
- [Catppuccin mocha (not official)](https://chrome-stats.com/d/catppuccin-mocha-not-official)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/http-cat-as-error-pages)