SEO Mastermind Pro

by Monomy Technology · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Advanced SEO analysis tool with comprehensive website optimization features

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#323K

#256K among extensions

Version

1.0.0

updated 1 Dec 2025

Users

monthly, 11 months

Latest, 16 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SEO Mastermind Pro

SEO Mastermind Pro — the most powerful 100% FREE SEO extension for Google Chrome. No registration, no credit card, no "freemium" limitations, no hidden payments — completely free forever. Instantly analyze any webpage with one click and get a detailed SEO report in seconds. WHAT YOU GET (ALL FEATURES 100% FREE): • Overall SEO Score (0-100) with beautiful visual circle • Full On-Page SEO Audit (title, meta description, headings, images alt, links) • Technical SEO Check (load time, canonical, robots meta, resource timing) • Content Analysis (H1-H6 structure, Open Graph & Twitter cards, structured data) • Competitor Comparison — just paste any competitor URL and see who wins • Site Info Detection (CMS, robots.txt, sitemap.xml, accessibility issues) • One-click PDF report generation (powered by jsPDF + html2canvas) • Dark/Light theme toggle • Works on any website, including localhost and internal projects WHY IT'S COMPLETELY FREE? Because we believe that powerful SEO tools should be available to everyone: bloggers, small businesses, freelancers, students, and developers — not just big agencies with huge budgets. NO data collection, NO ads, NO tracking, NO "premium" popups that block features. Just pure SEO power in your browser. Join 50,000+ users who already improved their rankings with SEO Mastermind Pro! One click → Full SEO audit → Better rankings Install now and see why thousands call it "the best free SEO tool ever made".