SEO Toolkit

SEO Toolkit is a comprehensive, all-in-one SEO analysis extension for Chrome. Analyze any webpage instantly with 6 powerful tools:

**On-Page SEO Score**
Get an instant SEO score out of 100 with a detailed checklist covering title, description, headings, images, canonical URLs, Open Graph, Twitter Cards, viewport, robots, and links.

**SERP Preview**
See exactly how your page will appear in Google search results. Toggle between desktop and mobile views with real-time character counters.

**Keyword Density**
Analyze word frequency with 1-word, 2-word, and 3-word phrase tables. Click any keyword to highlight all occurrences on the page.

**Broken Link Checker**
Scan all links on the page, check their status, and identify broken links. Export results as CSV. Broken links are highlighted directly on the page.

**Heading Structure**
Visualize the heading hierarchy (H1-H6) as an indented tree. Detect issues like missing H1, multiple H1 tags, and skipped heading levels. Click to scroll to any heading.

**Meta/OG Previewer**
View all meta tags in a clean table format. Preview how your page will look when shared on Facebook, Twitter/X, and Slack.

Key Features:
- No server required - all analysis runs locally
- Works on any webpage
- Clean, tabbed interface
- Lightweight and fast
- Available in English and Korean