SEO Tools
Keyword Density Analyzer
Use Keyword Density Analyzer to measure keyword density, distribution, and placement across page content. The tool produces a keyword density report with distribution heat map and placement checklist. Ideal keyword density is 0.5%–2.5%. Density above 3% may be flagged as over-optimisation.
Features
- Browser-only HTML analysis. No upload
- Pass, warn, fail, and info status labels
- Export report as JSON
- Ideal keyword density is 0.5%–2.5%. Density above 3% may be flagged as over-optimisation.
How to use it
- Paste the HTML source of a page into the input panel.
- Click Check HTML to run the analysis in your browser.
- Review the report sections.
- Export as JSON or copy the summary.
Use cases
- Audit on-page SEO before publishing or updating a page
- Check social sharing metadata before a campaign
- Verify heading structure and schema markup after a CMS change
Limitations
- JavaScript-rendered content is not evaluated. Only the static HTML response is analysed.
- Paste the raw HTML source. Relative paths may not resolve correctly without the original base URL.
- Ideal keyword density is 0.5%–2.5%. Density above 3% may be flagged as over-optimisation.
Related tools
Readability Scorer
Readability Scorer lets you score content readability using five industry-standard formulas. Runs entirely in your browser.
Use toolMeta Title Checker
Check a meta title against SEO best practices. See character count, pixel width estimate, keyword presence, and SERP preview. Browser-only.
Use toolHeadings Checker
Extract and analyse the H1–H6 heading structure of a page or HTML snippet. Check for missing H1, duplicate H1s, and heading hierarchy issues. Browser-only.
Use toolSEO URL Inspector
Audit any public URL for SEO issues. Checks meta title, description, H1-H6, Open Graph, robots directives, canonical URL, and schema markup in one report.
Use toolSERP Preview
Preview how your page title and description will appear in Google search results. Check character limits and see mobile and desktop previews side by side.
Use toolMeta Description Checker
Check meta descriptions against SEO best practices. Character count, pixel width, keyword check, and SERP preview. Browser-only, free.
Use toolFrequently asked
Does Keyword Density Analyzer upload my data?
Your file or text is processed in your browser and is not uploaded.
What does Keyword Density Analyzer check?
It produces a keyword density report with distribution heat map and placement checklist. Ideal keyword density is 0.5%–2.5%. Density above 3% may be flagged as over-optimisation.
Does this replace Google Search Console?
No. This tool reads static HTML and provides a quick informational check. For authoritative indexing data and crawl reports, use Google Search Console.