# OnPageSeoCheck

> Checks websites on the fly for common onpage seo errors, such as missing or conflicting meta robots tags, to long or to short title tags, meta description or missing canonical url.

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

## Overview

- **ID:** `onpageseocheck`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Matthias Bandemer
- **Category:** web-development,alerts-updates
- **Daily users:** 1
- **Version:** 1.1
- **Last updated:** 2023-01-28
- **First published:** 2022-09-03
- **Size:** 99 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/onpageseocheck/)

## Description

OnPageSeoCheck is a Firefox add-on that helps in identifying and fixing common onpage SEO errors on websites. It checks for issues like missing or conflicting meta robots tags, incorrect title tag lengths, missing meta descriptions, and missing canonical URLs.

## Rankings

- #116,031 — Overall

## Permissions and access

### Content script matches

- `<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).

## Similar extensions and apps

- [SEO Health Checker - On-Page SEO Audit](https://chrome-stats.com/d/seo-health-checker-on-page-seo) — 9 users, 5.00 / 5
- [OnPageSEOCheckerByTechnovatebd](https://chrome-stats.com/d/onpageseocheckerbytechnovatebd) — 2 users
- [SEO Minion](https://chrome-stats.com/d/seominion) — 5 users
- [Sitechecker.pro](https://chrome-stats.com/d/sitechecker-pro) — 33 users, 1.50 / 5
- [SEO Web Analyzer](https://chrome-stats.com/d/seo-web-analyzer) — 13 users
- [SEO Quick Check](https://chrome-stats.com/d/seo-quick-check) — 1 users
- [SEO Health Checker](https://chrome-stats.com/d/seo-health-checker) — 3 users
- [SEO Checker and Optimizer](https://chrome-stats.com/d/seo-checker-and-optimizer) — 2 users
- [SEO Check by Gyaner](https://chrome-stats.com/d/seo-check-by-gyaner) — 3 users, 5.00 / 5
- [DiagnoSEO - On-Page SEO & GEO Checker](https://chrome-stats.com/d/diagnoseo-on-page-seo-checker) — 5 users
- [Instant Meta Checker](https://chrome-stats.com/d/instant-meta-checker) — 36 users, 5.00 / 5
- [Quick Onpage SEO Check](https://chrome-stats.com/d/quick-onpage-seo-check)

---

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