Third-Party Review

Open SEO Stats for Firefox: A Practical Review of Its Checks and Limits

Use the add-on for quick page triage, then verify important findings with source code, headers, Search Console, logs, or a crawler.

Updated July 29, 2026

Version 1.3
Version Shown by Mozilla
0 reviews
Adoption Data Can Change
14.66 KB
Package Size on Listing
Quick Answer

What is Open SEO Stats for Firefox?

Open SEO Stats is a third-party Firefox extension designed for quick page-level inspection. Mozilla describes checks for titles, meta tags, headings, links, canonical elements, and related signals. The listing showed version 1.3, a 14.66 KB package, 0 reviews, and 3 users on July 29, 2026.

Use its output for triage, then confirm consequential findings with source inspection, response headers, Search Console, logs, or a site-wide crawler.

Martial NotarangeloBy Martial NotarangeloUpdated Jul 2026

Key Features at a Glance

  1. The Mozilla listing describes checks for titles, meta tags, headings, links, canonical elements, and related page signals.
  2. The requested permissions include access to tabs, downloads, download history, and website data, so installation should follow a policy review.
  3. The extension cannot establish Google-selected canonicals, crawl history, exact index status, or model training data.
  4. Use source code, response headers, Search Console, logs, and crawler evidence for decisions involving indexation, security, or compliance.

What Does Open SEO Stats for Firefox Actually Do?

Assess Open SEO Stats for Firefox by reviewing its listed checks, requested permissions, evidence quality, and the diagnostics needed before acting.

In simple terms: It summarizes visible page-level signals quickly, but it does not provide authoritative site-wide evidence.

Pricing

Free: Authority Specialist proprietary data records a $0 listing. Verify the current price and terms directly on Mozilla. Pro: The official listing checked July 29, 2026 did not present an applicable pro tier.
Features

What Open SEO Stats for Firefox Can Do

01

Page Fields the Listing Says It Checks

The official listing names titles, meta tags, headings, links, canonical elements, and additional page information. That description is useful for defining a test plan, but it does not establish how every field is derived. For repeatable evaluation, record the extension version, page state, and screenshots of each output.
02

Permissions to Review Before Installation

Mozilla lists access to browser tabs and website data, together with download and download-history permissions. Those requests should be compared with the team's browser, privacy, and security rules before the extension is approved.
03

Separate Direct Observations From Estimates

Titles, headings, links, and canonical tags can be checked against the page source. Third-party counts or summaries may be estimates and can become stale. Google-selected canonicals, exact index status, crawl history, and model training data remain outside the extension's evidence.
04

Claims the Extension Cannot Establish

A hosting location does not prove a business address, operating history, security posture, or compliance status. Index counts do not establish authority, and AI citations require a separate observation method that records the query, model, date, and locale.
05

Diagnostics to Use for Final Verification

Use View Source or developer tools to confirm page markup, curl to inspect response headers, Search Console for Google-specific diagnostics, and server logs or a crawler for site-wide patterns. The extension should direct the next check, not replace it.
How To Use

Get Started in 3 Easy Steps

  1. 01

    Check the Listing and Permission Scope

    Confirm the developer identity, version, update date, and every requested permission on Mozilla. Authority Specialist proprietary data assigns 1 minute to installation, but that timing is only an estimate.

  2. 02

    Test Against a Page With Known Markup

    Allow 30 seconds for the target page to load, then use a page whose title, headings, links, and canonical are already documented. A controlled page lets you distinguish extension behavior from unknown client-side conditions.

  3. 03

    Document Findings and Escalation Needs

    Allow 3 to 5 minutes to review the dashboard. Record each output, its apparent source, and every mismatch. Send indexation, security, or compliance questions to the primary system that can answer them.

Use Cases

Who Is Open SEO Stats for Firefox For?

01

First-Pass On-Page Review

An SEO practitioner opens a page and uses the extension to surface its title, meta tags, headings, links, and canonical element before deeper inspection. The output becomes a checklist of items to verify rather than a declaration that the page is correct.
  • •For: SEO Practitioner
  • •Outcome: A prioritized set of page fields for source-level verification.
02

Controlled Comparison Before a Crawl

A web developer compares extension output with a page whose markup and headers are already known. Any discrepancy is handed off for View Source, response-header, rendered-DOM, or crawler analysis.
  • •For: Web Developer
  • •Outcome: A reproducible record of mismatches and the diagnostic required for each one.
03

Browser Extension Approval Review

An agency operations lead examines the current permissions, version history, support signals, and output boundaries. The decision is based on organizational browser policy, not assumptions drawn from hosting geography or listing presentation.
  • •For: Agency Operations Lead
  • •Outcome: A documented decision to approve, restrict, test, or reject the extension.
Benefits

Why Use Open SEO Stats for Firefox?

  • Quick Access to Common Page SignalsThe extension can place several on-page fields in one Firefox workflow, which is useful when the goal is rapid triage rather than final diagnosis. Compared with opening multiple browser panels for an initial review.
  • A Defined Path From Triage to EvidenceThis review separates convenience outputs from questions that require source code, headers, Search Console, logs, or a crawler. That boundary helps prevent an extension result from being treated as conclusive evidence. Compared with using one browser extension as a complete audit.
  • Time-Stamped Listing InformationThe review identifies the checked version, user count, review count, package size, update date, and permissions so readers can distinguish dated listing facts from durable diagnostic guidance. Compared with software coverage that omits its observation date.

Frequently Asked Questions

Should a team consider Open SEO Stats for Firefox safe?

This review does not certify the extension as safe. Mozilla lists access to website data, tabs, downloads, and download history. Compare the current permissions with your policy and test the extension in a controlled browser profile before broader deployment.

Which Open SEO Stats outputs can be verified directly?

Fields taken from the page, such as titles, headings, links, and canonical tags, can be checked against source code or the rendered document. Third-party estimates may differ from primary systems, so important decisions should rely on Search Console, logs, headers, or crawl evidence.

Can Open SEO Stats replace a technical SEO audit?

No. It is a page-level triage tool, not a site-wide audit system. It cannot crawl the full site, expose Google-selected canonical decisions, verify a legal identity, or reveal which content trained a model.

Does Open SEO Stats report AI citations or model training data?

No verified claim in the listing supports either capability. AI mentions require a separate process that records the model, query, date, locale, and repeated observations. The extension does not expose model training data.

For journalists & analysts

Sources & References

  • 1.
    Product identity, version, size, update date, users, reviews, and permissions: https://addons.mozilla.org/en-US/firefox/addon/open-seo-stats/
  • 2.
    Google-specific indexation and canonical diagnostics: https://support.google.com/webmasters/answer/9012289
THIRTY SECONDS TO START

You've read enough.Your own data says more.

Connect your site and see it yourself: your rankings, your gaps, your blockers, and what AI tells your buyers. The plan and the priced options follow within 36 hours.

Your access code by SMS. We never call.No payment