# HTTP Indicator

> Indicator for HTTP/2, QUIC and HTTP/3

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

## Overview

- **ID:** `http-indicator`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** pd4d10
- **Category:** web-development,privacy-security
- **Daily users:** 201
- **Weekly downloads:** 4
- **Rating:** 4.00 / 5 (5 ratings)
- **Version:** 0.1.0
- **Last updated:** 2020-08-16
- **First published:** 2020-04-08
- **Size:** 15 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/http-indicator/)
- **Website:** [https://github.com/pd4d10/http-indicator](https://github.com/pd4d10/http-indicator)

## Description

**HTTP Indicator** is a handy Chrome extension that shows which HTTP protocol version a website uses — HTTP/2, QUIC, or HTTP/3. It acts as a simple visual indicator right in your browser, helping developers, network engineers, and curious users quickly determine the connection protocol of any webpage. Knowing the protocol can be essential for debugging performance issues or verifying the adoption of modern web technologies.

This extension provides real-time information without needing to dig into developer tools or network panels. It's lightweight and focuses solely on displaying HTTP protocol status, making it an efficient and straightforward tool for those interested in web performance and connectivity technology.

## Rankings

- #8,243 — Overall
- #77 — education
- #97 — education
- #99 — catalog
- #107 — category
- #217 — application

## Permissions and access

### Content script matches

- `<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

- [HTTP Version Indicator](https://chrome-stats.com/d/http2-indicator) — 2,663 users, 4.66 / 5
- [HTTP Version Indicator](https://chrome-stats.com/d/http-version-indicator) — 14 users, 5.00 / 5
- [HTTP/?](https://chrome-stats.com/d/http) — 8 users, 5.00 / 5
- [SixIndicator](https://chrome-stats.com/d/sixindicator) — 530 users, 4.89 / 5
- [HTTP Headers Viewer](https://chrome-stats.com/d/httpheadersviewer) — 8 users
- [HTTPS Headers Viewer](https://chrome-stats.com/d/https-headers-viewer) — 8 users
- [HTTP Protocol Info](https://chrome-stats.com/d/http-protocol-info) — 20 users, 5.00 / 5
- [HTTP Info](https://chrome-stats.com/d/http-info) — 46 users, 3.67 / 5
- [HTTP Headers Viewer](https://chrome-stats.com/d/http-headers-viewer-iue) — 12 users
- [HTTP Protocol Version](https://chrome-stats.com/d/http-protocol-version) — 21 users, 5.00 / 5
- [HTTP Diff Viewer](https://chrome-stats.com/d/http-diff-viewer) — 27 users
- [HTTP Headers Viewer](https://chrome-stats.com/d/http-headers-viewer) — 31 users

---

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