Top Chrome Extensions for SEO
SEO Chrome extensions — 40 keywords tracked, 610 extensions analyzed · Market data updated weekly
Market overview
What Developers Can Learn
Intelligence derived from tracked keywords across all SEO sub-keywords
Most Congested
Keyword research tools are saturated, dominated by Keywords Everywhere (1M users) and Keyword Surfer (600K users).
High volume keywords like 'keyword research' (2.1M) are captured by established players with 4.2+ ratings, making differentiation difficult for new entrants.
Possible Openings
Technical SEO auditing tools (broken link checker, sitemap generator) and local SEO features show demand with moderate competition.
Niche-specific tools like Amazon KDP research (Titans Pro: 40K users) demonstrate opportunities in vertical-specific positioning without massive player presence.
Positioning Patterns
Top extensions combine clear naming (product name + function), strong ratings (4.2-4.5 stars), and word-of-mouth virality through free tier adoption.
New fast movers leverage AI positioning and specific SERP features to capture rising intent signals.
Overall Market Leaders
Top extensions by total user base — across all SEO-related keywords combined
| # | Extension | Users | Rating | Appearances | Category |
|---|---|---|---|---|---|
| 1 |  Similarweb - Website Traffic, AI Traffic & SEO Checker | 1,000,000+ | ⭐ 4.7 | 7/7d | Seo |
| 2 |  SEOquake | 1,000,000+ | ⭐ 4.5 | 7/7d | Seo |
| 3 |  SEO META in 1 CLICK | 900,000+ | ⭐ 4.9 | 7/7d | Seo |
| 4 |  Ubersuggest - SEO and Keyword Discovery | 700,000+ | ⭐ 4.5 | 7/7d | Seo |
| 5 |  Detailed SEO Extension | 500,000+ | ⭐ 4.9 | 7/7d | Seo |
| 6 |  Ahrefs SEO Toolbar | 400,000+ | ⭐ 4.3 | 7/7d | Seo |
| 7 |  Website SEO Checker | 200,000+ | ⭐ 4.6 | 7/7d | Seo |
| 8 |  SEO Analysis & Website Review by WooRank | 200,000+ | ⭐ 3.9 | 7/7d | Seo |
| 9 |  SEO Minion | 200,000+ | ⭐ 4 | 7/7d | Seo |
| 10 |  META SEO inspector | 200,000+ | ⭐ 4.4 | 7/7d | Seo |
Similarweb - Website Traffic, AI Traffic & SEO Checker
1,000,000+ · ⭐ 4.7 · 7/7d
SEOquake
1,000,000+ · ⭐ 4.5 · 7/7d
SEO META in 1 CLICK
900,000+ · ⭐ 4.9 · 7/7d
Ubersuggest - SEO and Keyword Discovery
700,000+ · ⭐ 4.5 · 7/7d
Detailed SEO Extension
500,000+ · ⭐ 4.9 · 7/7d
Ahrefs SEO Toolbar
400,000+ · ⭐ 4.3 · 7/7d
Website SEO Checker
200,000+ · ⭐ 4.6 · 7/7d
SEO Analysis & Website Review by WooRank
200,000+ · ⭐ 3.9 · 7/7d
SEO Minion
200,000+ · ⭐ 4 · 7/7d
META SEO inspector
200,000+ · ⭐ 4.4 · 7/7d
Intent Clusters
Demand grouped by user intent — understanding what users actually search for in this market.
Explore Sub-keywords
Tracked keywords within the SEO category — click any to explore CWS rankings
keyword research
2.1M/moChrome extensions ranking for keyword research.
plagiarism checker
1.8M/moChrome extensions ranking for plagiarism checker.
domain authority checker
70K/moChrome extensions ranking for domain authority checker.
local seo
81K/moChrome extensions ranking for local seo.
sitemap generator
67K/moChrome extensions ranking for sitemap generator.
seo audit
59K/moChrome extensions ranking for seo audit.
Keyword rankings
What happens when a user types "keyword research" in the Chrome Web Store search results
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
Current Top 10 - search results for "keyword research"
Snapshot as of 2026-05-18
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  Keywords Everywhere - Keyword Tool | 1,000,000+ | ⭐ 4.5 | 7/7d | Seo | — stable |
| 2 |  Keyword Surfer | 600,000+ | ⭐ 4.2 | 7/7d | Seo | — stable |
| 3 |  Titans Pro - Amazon KDP Keyword Research Tool | 40,000+ | ⭐ 3.6 | 7/7d | Seo | — stable |
| 4 |  Amazon Keyword Tool for free : SellerApp | 40,000+ | ⭐ 4.5 | 7/7d | Seo | ↑ rising |
| 5 |  AutoTDK - SEO Search Keyword Tool | 40,000+ | ⭐ 4.4 | 7/7d | Seo | — stable |
| 6 | Ubersuggest - SEO and Keyword Discovery | 700,000+ | ⭐ 4.5 | 7/7d | Seo | — stable |
| 7 |  ytRank - YouTube Keyword Research | 986 | ⭐ 3.9 | 7/7d | Seo | — stable |
| 8 |  Dart Profit - Shopee Keyword Research Tool | 808 | ⭐ 1 | 6/7d | Seo | ↑ rising |
| 9 |  SEO | ASO | Search Ranking & Keyword Tool | 6,000+ | ⭐ 4.9 | 7/7d | Seo | — stable |
| 10 |  SellerSprite - Amazon Research Tool | 500,000+ | ⭐ 4.4 | 7/7d | Seo | — stable |
Keywords Everywhere - Keyword Tool
1,000,000+ · ⭐ 4.5 · 7/7d
Keyword Surfer
600,000+ · ⭐ 4.2 · 7/7d
Titans Pro - Amazon KDP Keyword Research Tool
40,000+ · ⭐ 3.6 · 7/7d
Amazon Keyword Tool for free : SellerApp
40,000+ · ⭐ 4.5 · 7/7d
AutoTDK - SEO Search Keyword Tool
40,000+ · ⭐ 4.4 · 7/7d
Ubersuggest - SEO and Keyword Discovery
700,000+ · ⭐ 4.5 · 7/7d
ytRank - YouTube Keyword Research
986 · ⭐ 3.9 · 7/7d
Dart Profit - Shopee Keyword Research Tool
808 · ⭐ 1 · 6/7d
SEO | ASO | Search Ranking & Keyword Tool
6,000+ · ⭐ 4.9 · 7/7d
SellerSprite - Amazon Research Tool
500,000+ · ⭐ 4.4 · 7/7d
What Is the SEO Extension Market?
SEO browser extensions serve marketers, content creators, and webmasters who need real-time ranking analysis, keyword data, and site auditing without leaving their workflow. Core use cases include on-page optimization checks, SERP tracking, competitor analysis, and content originality verification. The Chrome SEO extension market benefits from the massive underlying search demand for keyword research and technical auditing tools, with user intent spanning from quick SERP peeks to comprehensive site health diagnostics. Developers should note that browser-based tools fill a convenience gap for professionals who need lightweight, instant insights during research sessions rather than full desktop suite functionality.
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 extension market?
Track your extension's ranking for any SEO keyword, monitor weekly changes, and find the exact gaps between you and the top 10.