semanticpen.com · Tools
5 items
Analyze Domain Authority, Traffic, Keywords, Web Vitals, Meta Tags & Technical SEO with Semantic Pen's comprehensive toolkit Semantic Pen: Advanced SEO & Technical Analysis Chrome Extension Semantic Pen is a powerful Chrome extension that provides comprehensive website analysis, technical SEO insights, and performance metrics in real-time. This all-in-one toolkit helps developers, SEO specialists, and digital marketers make data-driven decisions. Key Features: 1. Domain Authority & SEO Metrics Domain Authority (DA) scoring with visual progress indicators Page Authority (PA) measurement External backlink analysis Nofollow link detection Spam score assessment Real-time domain statistics tracking 2. Web Performance Analysis Core Web Vitals monitoring: Largest Contentful Paint (LCP) First Input Delay (FID) Cumulative Layout Shift (CLS) Time to First Byte (TTFB) First Contentful Paint (FCP) Performance metrics visualization with status indicators 3. Domain Intelligence Detailed domain age information Traffic analysis and statistics Keyword ranking distribution (Top 3, 10, 50, 100 positions) Monthly search volume insights Organic traffic estimation 4. Technical SEO Analysis Meta tag analysis with character count indicators Robots.txt and sitemap.xml verification Canonical URL validation Language detection and verification Comprehensive heading structure analysis (H1-H6) Internal and external link distribution 5. Rich Media Analysis Image optimization check Alt text verification Image dimension analysis Lazy loading implementation check WebP format detection 6. Social Media Optimization Open Graph tag validation with preview Twitter Card implementation check Social media preview simulation Meta property verification 7. Schema Markup Analysis JSON-LD schema detection and validation Schema type identification Structured data verification Schema export functionality 8. Content Analysis Word count calculation Content structure evaluation Link relationship analysis (nofollow, UGC, sponsored) Visual link highlighting for nofollow attributes 9. Advanced Features Real-time data updates Intelligent caching system Export functionality for reports Visual indicators for SEO best practices Comprehensive error handling Perfect for: SEO Professionals & Consultants Digital Marketing Managers Web Developers & Technical Teams Content Strategists Digital Analytics Specialists E-commerce Managers Website Auditors With its comprehensive domain analysis capabilities shown in: Semantic Pen is the ultimate toolkit for anyone serious about website optimization and technical SEO analysis. Its user-friendly interface combined with powerful features makes it an essential tool for modern web professionals. Install Semantic Pen today to unlock detailed insights about any webpage and make informed decisions about your digital presence!
Apr 24, 2025
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.