# SEO Web Analyzer

> Comprehensive on-page SEO analysis with 50+ checks, batch analysis, mobile audit, accessibility, i18n, and more.

Canonical page: [https://chrome-stats.com/d/seo-web-analyzer](https://chrome-stats.com/d/seo-web-analyzer)

## Overview

- **ID:** `seo-web-analyzer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** synligwebb.se
- **Category:** web-development,search-tools
- **Daily users:** 13
- **Weekly downloads:** 1
- **Version:** 3.1.1
- **Last updated:** 2026-07-30
- **First published:** 2026-03-04
- **Size:** 375 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/seo-web-analyzer/)
- **Website:** [https://synligwebb.se](https://synligwebb.se/)

## Description

Free SEO checker extension with 50+ on-page checks: title, meta description, Open Graph, headings (H1-H6), internal & external links, image alt text, schema JSON-LD, Core Web Vitals via PageSpeed API, mobile audit, WCAG accessibility, AI-powered recommendations, batch URL analysis, competitor comparison, score monitoring, and export to PDF/CSV/JSON. AI-powered recommendations and Core Web Vitals via PageSpeed API require your own API keys.

## Rankings

- #30,135 — Overall
- #31 — analyzer
- #52 — analyze
- #52 — seo
- #137 — analysis

## Permissions and access

### Permissions

- `activeTab`
- `webRequest`
- `scripting`
- `storage`
- `alarms`
- `notifications`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

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