The On-Page panel gives you a real-time breakdown of the current page’s core SEO elements. Open it from the browser sidebar to see the title tag, meta description, heading structure, and content metrics for any page you visit.Documentation Index
Fetch the complete documentation index at: https://serplens.com/docs/llms.txt
Use this file to discover all available pages before exploring further.
What it shows
Summary metrics
At the top of the panel, you’ll see a quick overview including an SEO alerts count — issues that may need attention.Title tag
- The full title text
- Character count and whether it falls within the recommended range
Meta description
- The full description text
- Character count and length assessment
Heading structure
A complete hierarchy of all headings on the page:- H1 — there should typically be exactly one
- H2–H6 — the full heading tree, showing content structure and nesting
DOM vs HTML mode
Toggle between two analysis modes at the top of the panel:| Mode | What it reads |
|---|---|
| DOM | The rendered page after JavaScript execution — what users and search engines see |
| HTML | The raw HTML source — what the server initially sends |
Export
Click the export button to download the on-page data as a CSV file. This is useful for audits where you need to document findings across multiple pages.Next steps
Indexing
Check robots directives, canonical URLs, and sitemaps.
Structured data
Validate JSON-LD and other structured data formats.