Onpage.ai Product Information

OnPage.ai Chrome Extension (Formerly SimilarContent) – SEO Analysis, Content Creation & Competitor Insights

OnPage.ai is a free, AI-powered, production-ready Chrome extension designed for SEO analysis, content creation, and competitive research. It serves digital marketers, SEO specialists, content creators, bloggers, and e-commerce sites by delivering an all-in-one SEO toolkit directly in your browser. A Pro license is available to unlock extended capabilities.


Key Features Overview

  • On-Page SEO Analysis: Analyze Page Title, Meta Description, Headings, Text/HTML Ratio, Images and Links Count, and Keyword Density; export reports as HTML.
  • Webdraft Tool: Clip and organize content snippets from across the web for easy curation and planning.
  • PAA Content Tool: Extract Google’s People Also Ask questions and answers to fuel ideation, keyword targeting, and snippet optimization; rewrite into unique content.
  • Topic Clustering & Modeling: Create AI-generated topic clusters in mindmap view to visualize and optimize content strategies.
  • Inside OnPage.ai Extension: A centralized interface to manage research, content creation, and optimization tasks.
  • Flexible Content Management: Structure content efficiently to boost SEO impact and content quality.
  • Local Data Handling: Data is saved in local storage; API keys are stored securely and used locally.
  • Support & Community: Access to guides, tutorials, and a community for help, plus multiple contact channels.

How to Use OnPage.ai Chrome Extension

  1. Install and authenticate. Install the extension and sign in with your licensed email; connect any required API keys (OpenAI API key for AI-driven features).
  2. Perform on-page analysis. Open a webpage to run OnPage.ai’s on-page SEO analysis to see titles, descriptions, headings, etc., and generate a report to HTML for later reference.
  3. Clip and organize with Webdraft. Use the Webdraft Tool to clip snippets, notes, and ideas from the web and organize them for content planning.
  4. Generate PAA-driven content. Use the PAA Content Tool to pull Google’s PAA questions, rewrite into unique content, and shape it to target user intent.
  5. Build topic clusters. Visualize related topics and subtopics with the Topic Clustering Tool to structure content strategy and improve SEO coverage.
  6. Review and deploy. Combine insights from analysis, clustering, and PAA content to draft optimized pages and content pieces; save results locally.

Tools & Templates

  • On-Page SEO Analysis
  • Webdraft Tool
  • PAA Content Tool
  • Topic Clustering & Mindmap Visualizations
  • Local Storage Data Management
  • Multi-Device Licenses (1–5 devices depending on plan)
  • AI-driven Content Generation (via OpenAI API key)
  • Reports Export (HTML)

How It Works

  • The extension analyzes on-page elements to deliver actionable SEO insights.
  • Webdraft helps you collect and organize content ideas from across the web.
  • PAA Content Tool extracts questions/answers to align content with user intent and improve snippet opportunities.
  • Topic Clustering visualizes themes and subtopics to guide content strategy and internal linking.
  • All data is stored locally in your browser; API keys remain secure and are not leaked to third parties.

Requirements & Support

  • A licensed OnPage.ai account email
  • Optional OpenAI API key for AI features
  • Access to server API if using advanced capabilities
  • License options enable 1–5 devices depending on plan
  • Support channels: Facebook Group, YouTube Channel, and email for personalized help

Why Use OnPage.ai

  • Consolidates on-page SEO analysis, content curation, and topic planning into a single browser extension.
  • Helps you understand competitor strategies, optimize content around user intent, and quickly build structured topic clusters.
  • Designed for speed and ease of use with local data storage for privacy.

Core Features

  • On-Page SEO Analysis: Evaluate Title, Meta Description, Headings, Text/HTML Ratio, Images/Links, and Keyword Density with report export.
  • Webdraft Tool: Clip, organize, and annotate content snippets from across the web.
  • PAA Content Tool: Pull Google’s People Also Ask data, rewrite into unique content, and target long-tail keywords.
  • Topic Clustering & Mindmap: AI-generated topic clusters to guide content strategy and SEO planning.
  • Local Data Storage: All data saved in browser local storage; no server-side data access for user content.
  • OpenAI API Integration: AI-driven capabilities unlocked via user-provided API key.
  • Multi-Device Licenses: Use OnPage.ai across 1–5 devices depending on license.
  • Reports & Outputs: HTML report exports for quick sharing and documentation.
  • Community & Support: Access tutorials, blog posts, and direct support channels.