OnPage.ai Chrome Extension (formerly SimilarContent) is a free, AI-powered, production-ready SEO tool that integrates directly into Chrome to analyze pages, draft content, and optimize for search engines. It combines on-page SEO analysis, content curation, topic clustering, and PAA-based content generation to help digital marketers, SEO specialists, content creators, bloggers, and e-commerce sites improve rankings and content quality.

Key Capabilities

On-Page SEO Analysis: Assess Page Title, Meta Description, Headings, Text/HTML ratio, Images/Links counts, and Keyword Density with actionable insights. Save HTML reports for future reference.
Webdraft Tool: Quickly gather and organize content snippets from across the web for easy content curation and planning.
PAA Content Tool: Extract Google’s People Also Ask questions to fuel content ideas, target long-tail keywords, and generate unique, optimized content based on user intent.
Topic Clustering & Modeling: Visualize SEO strategy with AI-generated topic clusters in mindmap format to identify subtopics and structure content effectively.
Content Organization & Customization: Flexible tools to tailor content structures, organize ideas, and align with your brand voice.
Local Data Storage & Security: All data is saved in local storage; API keys and data are kept securely on your device with no third-party data access.
Multi-Device Licensing: Use the extension across multiple devices based on your license (1–5 devices supported).
Easy Activation & Accessibility: Chrome extension setup guides, tutorials, and ongoing support channels.

How to Use OnPage.ai Chrome Extension

Install and activate the OnPage.ai Chrome extension from the Chrome Web Store.
Sign in with your licensed OnPage.ai account and, if needed, provide your API keys for AI-driven features.
Use On-Page SEO Analysis to review a webpage and generate a report (HTML export available).
Clip and organize content with Webdraft to prepare for content creation.
Use PAA Content Tool to pull Google’s PAA questions, rewrite, and generate optimized content.
Build Topic Clusters visually with the mindmap view to structure topics and subtopics for better SEO alignment.
Save, export, and reuse content and insights across your projects.

Tool Suite and Templates

On-Page SEO Analysis: Analyze title, meta, headings, density, and more for any page
Webdraft Content Curation: Clip, organize, and annotate web content for quick ideation
PAA Content Tool: Pull, rewrite, and customize People Also Ask questions for SEO content
Topic Clustering & Mindmap: Visualize structured topic models and subtopics
Content Organization: Flexible templates and structures for consistent content creation
Local Storage Security: Data stays on your device with encrypted handling of keys
Multi-Device Licenses: Use the extension across multiple devices within your plan
Activation & Support Resources: Step-by-step guides, tutorials, and community support channels

What You Get

A comprehensive Chrome extension that consolidates on-page SEO analysis, content gathering, and AI-powered content generation into a single workflow.
Tools designed to boost SEO performance, content quality, and efficiency for teams and solo creators alike.

Safety and Privacy

All data is stored locally on your device; ongoing AI features operate with keys securely stored and not exposed to third parties.
Use generated content in compliance with copyright and search engine guidelines.

Quick Stats (from OnPage.ai)

7K+ SEO analyses conducted
24.8K keywords optimized
10.3K PAA questions collected
3K global users

Get Started

Add OnPage.ai to Chrome and unlock a complete SEO-focused content workflow right inside your browser.

SimilarContent - SEO Content Optimization Tool

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