Top Chrome Extensions for Seo Audit
Seo Audit Chrome extensions — 59K monthly searches · Rankings shifted 53× in 7 days · Top 3 locked — dominated by incumbents
What Developers Can Learn
Intelligence derived from tracked keywords across all Seo Audit sub-keywords
Most Congested
The 0.908 concentration ratio and 200,000-user leader make this highly competitive.
One extension dominates while the rest range from 5 to 10,000 users, creating a wide gap between the market leader and challengers.
Possible Openings
Domain Authority Checker (139.8K) and Local Seo (81K) offer lower competition with substantial search volume, making them viable adjacent opportunities for developers seeking easier entry points.
Positioning Patterns
Top extensions pair SEO + Audit/Checker in naming.
The 4.5 average top-5 rating signals users expect quality.
One niche player with 5 users achieved 5.0 rating, proving differentiation through specialization is possible.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  SEO Checker Tool - Get Free SEO Audit Analysis | 10,000+ | ⭐ 4 | 7/7d | Seo | — stable |
| 2 |  Website SEO Checker | 200,000+ | ⭐ 4.6 | 7/7d | Seo | — stable |
| 3 |  Atlantis Quick SEO Audit | 5 | ⭐ 5 | 7/7d | Seo | — stable |
| 4 |  SEO Auditor | 162 | ⭐ 0 | 7/7d | Seo | — stable |
| 5 |  OneClick SEO Audit | 55 | ⭐ 0 | 7/7d | Seo | — stable |
| 6 |  Alaev SEO Tools: Free Audit & Analysis | 20,000+ | ⭐ 4.9 | 5/7d | Seo | ↓ dropping |
| 7 |  SEO Audit | 2 | ⭐ 0 | 7/7d | Seo | ↓ dropping |
| 8 |  SEO Audit Tool | 2 | ⭐ 5 | 7/7d | Seo | ↑ rising |
| 9 |  SEOptimer - SEO Audit Tool | 148 | ⭐ 5 | 7/7d | Seo | — stable |
| 10 |  Free SEO Audit & Website Checker by Semalt | 1,000+ | ⭐ 4.8 | 7/7d | Seo | — stable |
SEO Checker Tool - Get Free SEO Audit Analysis
10,000+ · ⭐ 4 · 7/7d
Website SEO Checker
200,000+ · ⭐ 4.6 · 7/7d
Atlantis Quick SEO Audit
5 · ⭐ 5 · 7/7d
SEO Auditor
162 · ⭐ 0 · 7/7d
OneClick SEO Audit
55 · ⭐ 0 · 7/7d
Alaev SEO Tools: Free Audit & Analysis
20,000+ · ⭐ 4.9 · 5/7d
SEO Audit
2 · ⭐ 0 · 7/7d
SEO Audit Tool
2 · ⭐ 5 · 7/7d
SEOptimer - SEO Audit Tool
148 · ⭐ 5 · 7/7d
Free SEO Audit & Website Checker by Semalt
1,000+ · ⭐ 4.8 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-05-12 to 2026-05-18)
✦ Entered Top 10 This Week
↓ Dropped Out of Top 10
Data Methodology
- Data source:
- Chrome Web Store search results
- Update frequency:
- Weekly
- Monthly Search Demand:
- Estimated demand indicator sourced from third-party keyword data. Not CWS-internal figures.
Is your extension visible
in Seo Audit extension market?
Track your extension's ranking for any Seo Audit keyword, monitor weekly changes, and find the exact gaps between you and the top 10.