content-optimizer

plugin	seo
updated	"2026-01-20T00:00:00.000Z"
name	content-optimizer
description	On-page SEO optimization techniques including keyword density, meta tags, heading structure, and readability. Use when optimizing existing content or validating new content against SEO requirements.
user-invocable	false

plugin: seo updated: 2026-01-20

Content Optimizer

When to Use

• Optimizing existing content for better rankings
• Validating new content against SEO requirements
• Checking keyword density and placement
• Improving readability scores
• Creating meta tags

Keyword Density

Target: 1-2% for primary keyword

Calculation:

Density = (Keyword Count / Total Words) x 100

Placement Priorities:

1. Title/H1 (required)
2. First 100 words (required)
3. At least one H2 (recommended)
4. Conclusion (recommended)
5. Distributed in body (natural)

Warning Signs:

• 3% = Keyword stuffing risk

• <0.5% = Under-optimized
• Exact match every paragraph = Unnatural

Meta Tag Optimization

Title Tag

• Length: 50-60 characters
• Keyword: Near the beginning
• Format: {Keyword} - {Benefit} | {Brand}
• Unique per page

Meta Description

• Length: 150-160 characters
• Keyword: Include naturally
• CTA: End with action verb
• Unique per page

URL Slug

• Short: 3-5 words
• Keyword: Include primary
• Readable: Use hyphens
• Lowercase only

Heading Structure

Valid Hierarchy:

H1: Page Title (exactly 1)
+-- H2: Main Section
|   +-- H3: Subsection
|   +-- H3: Subsection
+-- H2: Main Section
|   +-- H3: Subsection
+-- H2: Conclusion

Common Errors:

• Multiple H1 tags
• Skipping levels (H1 -> H3)
• Using headings for styling only
• No keyword in H1

Readability Optimization

Flesch Reading Ease Target: 60-70

Score	Level	Audience
90-100	Very Easy	5th grade
80-89	Easy	6th grade
70-79	Fairly Easy	7th grade
60-69	Standard	8th-9th grade
50-59	Fairly Difficult	10th-12th grade
30-49	Difficult	College
0-29	Very Difficult	College graduate

Improvement Techniques:

• Shorten sentences (<20 words avg)
• Shorten paragraphs (2-3 sentences)
• Replace jargon with plain language
• Use active voice
• Add subheadings every 200-300 words
• Use bullet points for lists

Optimization Checklist

Use this checklist when optimizing content:

• Primary keyword in title/H1
• Primary keyword in first 100 words
• Keyword density 1-2%
• Meta title 50-60 characters
• Meta description 150-160 characters with CTA
• Heading hierarchy valid (H1 -> H2 -> H3)
• At least 3 internal links
• At least 1 external authoritative link
• Flesch score 60-70
• No paragraphs > 3 sentences
• Subheadings every 200-300 words