# HTTPS+ Checker

> Verification of security mechanisms complementary to HTTPS.

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

## Overview

- **ID:** `httpspluschecker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Beu
- **Category:** privacy-security
- **Daily users:** 29
- **Rating:** 3.57 / 5 (7 ratings)
- **Version:** 0.0.4resigned1
- **Last updated:** 2024-04-25
- **First published:** 2018-04-30
- **Size:** 16 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/httpspluschecker/)

## Description

HTTPS+ Checker is a Firefox add-on that allows you to quickly check if a website has HSTS, HPKP, DANE / TLSA, and DNSSEC security mechanisms in place. It verifies these complementary security measures without validating if your session uses them.

## Rankings

- #20,740 — Overall

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `webRequest`
- `<all_urls>`

## Safety

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

## Similar extensions and apps

- [HSTS Checker](https://chrome-stats.com/d/hsts-checker) — 25 users
- [Security Header Checker](https://chrome-stats.com/d/security-header-checker)
- [CheckMyHTTPS](https://chrome-stats.com/d/checkmyhttps) — 150 users, 4.40 / 5
- [Security Headers Checker](https://chrome-stats.com/d/security-headers-checker) — 3 users
- [SSL Certificate Checker sp](https://chrome-stats.com/d/ssl-certificate-checker-sp) — 16 users
- [Web Safety](https://chrome-stats.com/d/web-safety) — 1 users
- [Strict Transport Checker](https://chrome-stats.com/d/strict-transport-checker)
- [DNSSEC/DANE Padlock](https://chrome-stats.com/d/dnssec-dane-padlock) — 54 users, 5.00 / 5
- [Encryption Status Monitor](https://chrome-stats.com/d/encryption-status-monitor) — 1 users
- [OWASP Security Checker](https://chrome-stats.com/d/owasp-security-checker) — 9 users
- [DNSSEC Checker](https://chrome-stats.com/d/dnssec-checker) — 19 users
- [Endpoint Security Checker](https://chrome-stats.com/d/endpoint-security-checker) — 2 users

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