# Request Delay Simulator

> Simule lentidão de rede por URL (exact ou regex) com delay por regra. Ideal para testar latência, timeout, loading states e UX em apps web sem proxy externo.

Canonical page: [https://chrome-stats.com/d/request-delay-simulator](https://chrome-stats.com/d/request-delay-simulator)

## Overview

- **ID:** `request-delay-simulator`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** ronaldo
- **Category:** web-development
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2026-03-10
- **First published:** 2026-03-07
- **Size:** 16 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/request-delay-simulator/)

## Description

Request Delay Simulator adiciona atraso artificial em requisições HTTP(S) para você validar comportamento real de aplicações em conexão lenta.
Principais recursos:
  - Regras por URL exata ou expressão regular (regex)
  - Delay individual por regra (em ms)
  - Pausar/retomar regras com um clique
  - Prioriza a regra com maior delay quando há múltiplos matches
  - Estatísticas de requisições afetadas na sessão
  - Sem coleta de dados pessoais; tudo salvo localmente (browser.storage.local)

Use este add-on para QA, testes de frontend, validação de skeleton/loading, tratamento de erro e cenários de performance percebida.

## Rankings

- #120,909 — Overall
- #120 — request
- #163 — ux

## Permissions and access

### Permissions

- `storage`
- `webRequest`
- `webRequestBlocking`
- `<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/request-delay-simulator)