Detailed SEO Extension

Overview

Detailed SEO Extension is a browser-based SEO analysis tool developed by industry practitioner Glen Allsopp. It is designed to provide quick on-page SEO insights directly within Google Chrome. The extension is widely used by SEO consultants, affiliate marketers, and digital strategists conducting competitor analysis and technical reviews.

Rather than functioning as a full SaaS platform, Detailed SEO Extension operates as a lightweight inspection tool. It allows users to analyse headings, meta data, canonical tags, schema markup, and indexing signals on any webpage instantly. This makes it particularly useful during manual audits or SERP research sessions.

For professionals who need fast and accurate on-page diagnostics without leaving the browser, Detailed SEO Extension offers practical and efficient functionality.

Platform Overview Table

Category

Details

Primary Function

On-page SEO analysis

Deployment

Chrome extension

Typical Users

SEO professionals

Core Focus

Technical page inspection

Access Model

Free

Best For

Manual audits and competitor review

 

Features

Displays title tags, meta descriptions, headings, and canonical URLs for rapid inspection.

Identifies schema markup and structured data embedded within pages.

Highlights robots directives, canonical tags, and noindex signals clearly.

Shows link structures to assess outbound linking and internal architecture.

Operates directly within Chrome without requiring external dashboard logins.

Ready to try it out?

Visit the official website to get started.

Review

Callum
Callum
It’s my go-to extension when reviewing competitors. The on-page breakdown is clear and fast.
Owen
Owen
I appreciate not having to open a separate tool. Everything I need appears instantly.
Marcus
Marcus
Simple but effective. It makes technical checks far more efficient during audits.