# HTTP Server header Spy

> Provides HTTP headers, like Web Server and IP and other info This extension provides HTTP headers, like Web Server and IP and other info with quick links to various IP inspection sites, and a link to lookup web server name. Perfect for tinkerers.

Canonical page: [https://chrome-stats.com/d/http-server-header-spy](https://chrome-stats.com/d/http-server-header-spy)

## Overview

- **ID:** `http-server-header-spy`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** dw5
- **Category:** web-development,privacy-security
- **Daily users:** 14
- **Weekly downloads:** 2
- **Version:** 2.2
- **Last updated:** 2021-02-18
- **First published:** 2021-01-02
- **Size:** 114 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/http-server-header-spy/)

## Description

HTTP Server header Spy is a Firefox add-on that provides HTTP headers, web server information, and IP details. It offers quick links to various IP inspection sites and a web server lookup feature. This add-on is ideal for tinkerers and developers who want to explore less known web hosts or ensure their host is not using a third-party host or acting as a reseller.

## Rankings

- #29,034 — Overall
- #25 — ad spy
- #30 — server
- #49 — header
- #190 — lookup
- #191 — seller

## Permissions and access

### Permissions

- `tabs`
- `http://*/*`
- `https://*/*`
- `webRequest`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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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- [Network & IP Tools - IPAddress.to](https://chrome-stats.com/d/ipaddress-to-lookup) — 1 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/http-server-header-spy)