# SiteStacks for Firefox - Instant Tech Lookup

> SiteStacks lets you instantly look up the technology stack behind any website

Canonical page: [https://chrome-stats.com/d/sitestacks](https://chrome-stats.com/d/sitestacks)

## Overview

- **ID:** `sitestacks`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Siftery
- **Category:** web-development,search-tools
- **Daily users:** 74
- **Weekly downloads:** 2
- **Rating:** 4.50 / 5 (8 ratings)
- **Version:** 1.0.2resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-09-29
- **Size:** 36 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sitestacks/)
- **Website:** [https://www.sitestacks.com/](https://www.sitestacks.com/)

## Description

**SiteStacks for Firefox** is a powerful Chrome extension that allows users to instantly look up the technology stack behind any website with just one click. It operates entirely on remote servers, ensuring a lightweight experience without slowing down your browsing. The extension maintains your security and privacy by only sending the current URL, never downloading your browsing data.

Leveraging support from Siftery's extensive library of over 40,000 products, SiteStacks offers access to technology data not available elsewhere. Its accuracy is continuously enhanced by a dedicated user community that validates and updates the information regularly. If you are seeking reliable, fast, and comprehensive technology insights about websites, SiteStacks for Firefox is the perfect tool to have at your fingertips.

## Rankings

- #13,367 — Overall
- #20 — lookup
- #82 — ai tech
- #131 — technology
- #134 — install
- #151 — site

## Permissions and access

### Permissions

- `tabs`
- `https://*/*`
- `http://*/*`
- `<all_urls>`

## 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 support email may not be valid

> 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/sitestacks)