https://seo-tools-index.pages.dev/ · Tools
4 items
Compare two websites side by side. Free on-page DOM & headings check, plus deep keyword gap and live Google ranking matrix. Looking for a fast, accurate way to compare 2 websites' SEO? Stop manually copy-pasting URLs into clunky, outdated web tools. This extension gives you an instant, side-by-side SEO comparison and organic keyword gap analysis between your landing page and any competitor directly inside Chrome. ⚡ Key Features: 1. Side-by-Side On-Page SEO Comparison (100% Free) • Instant DOM Extraction: Compare Title, Meta Description, and word count side by side. • Heading Structure Tree: Inspect H1, H2, and H3 hierarchies side by side. • Keyword Density Matrix: Identify high-frequency keywords and content depth differences. • Image SEO: Detect missing alt tags instantly. 2. Live Keyword Ranking & Content Gap Analysis (Pro) • Head-to-Head Google US Rankings: Real-time organic blue link rankings for both URLs. • Content Gap Identification: Discover high-value commercial keywords your competitor ranks for but your page misses. • Actionable Metrics: Precise monthly search volume, keyword difficulty (KD), and CPC values. • One-Click Export: Download clean, structured CSV reports for client audits or content optimization. 🎯 Perfect for: SEO Specialists, Content Marketers, Agency Owners, and SaaS Founders who want to outrank competitors on specific search queries.
Sep 3, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.