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seo-onpage

Run a comprehensive on-page SEO audit or optimization pass covering title tags, meta descriptions, header structure, content quality, internal links, image optimization, URL hygiene, and on-page schema. Use this skill whenever the user asks to optimize a page, audit on-page SEO, fix titles or meta tags, review header structure, check internal linking, improve a single URL's search performance, or write SEO-friendly copy. Triggers on on-page SEO, page audit, title tag, meta description, H1, header structure, internal links, image alt, URL slug, page optimization, optimize this page, SEO this page. Also triggers for any single-page review where ranking, click-through, or relevance signal quality is the goal, even if the user does not say 'SEO' explicitly.

Quality

89%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Quality

Content

78%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A well-structured, checklist-driven skill body with concrete thresholds, a clear workflow, and exemplary progressive disclosure to real one-level-deep references. Weaker spots are minor: a few generic-knowledge bullets, two vague instructions without a named method, and a missing re-validation step after drafting fixes.

Suggestions

Add an explicit validation step after workflow step 7: re-check drafted titles and meta descriptions against the framework's character and structure rules before delivering them.

Name a concrete method for 'run a readability check' (e.g., a specific formula or tool) so the body-content dimension is fully actionable.

Trim bullets that restate common knowledge (e.g., 'No broken internal links', 'Lowercase, hyphen-separated') to tighten the token budget.

DimensionReasoningScore

Conciseness

The body is a tight checklist with no concept tutorials or padding, but a handful of bullets restate widely known SEO commonplaces ('Avoids keyword stuffing (write for the reader, not the bot)', 'No broken internal links', 'Lowercase, hyphen-separated'), fitting 'efficient; minor instances of over-explanation that could be trimmed' rather than the every-token-earns-its-place level.

4 / 5

Actionability

Concrete thresholds throughout ('Roughly 50 to 60 characters', 'Exactly one H1 per page', 'under 60 characters'), an explicit output filename, and a real fillable template make the guidance mostly executable, but 'run a readability check' names no method and 'define your competition's depth, then match or exceed it' is abstract, leaving minor gaps versus fully copy-paste-ready guidance.

4 / 5

Workflow Clarity

The 7-step workflow is clearly sequenced with grounding steps ('View the rendered HTML... not just the visual page') and an up-front checkpoint ('Confirm the target query. If unclear, ask'), but there is no validation loop after step 7 drafts replacements, so it fits 'clear sequence with most checkpoints present; minor validation gaps' rather than the explicit feedback-loop level.

4 / 5

Progressive Disclosure

The body is a clear overview, the three reference files (audit-template.md, onpage-checklist.md, title-and-meta-patterns.md) are real, one level deep, described with their purpose in a 'Reference files' section, and linked at the point of use in workflow step 6, with deep material (template, checklist, patterns) appropriately split out.

5 / 5

Total

17

/

20

Passed

Description

96%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

An exemplary description: explicit what and when, comprehensive trigger coverage with synonyms, and concrete capability enumeration. The only weakness is slight overlap risk between broad trigger phrases ('page audit', 'page optimization') and closely related sibling SEO skills.

DimensionReasoningScore

Specificity

The description lists eight concrete coverage areas (title tags, meta descriptions, header structure, content quality, internal links, image optimization, URL hygiene, on-page schema) plus multiple concrete actions (audit, fix titles/meta, review headers, check internal linking, write SEO-friendly copy), matching the 'multiple specific concrete actions; comprehensive coverage' anchor.

5 / 5

Completeness

It explicitly answers both 'what' ('Run a comprehensive on-page SEO audit or optimization pass covering...') and 'when' ('Use this skill whenever the user asks to optimize a page, audit on-page SEO, fix titles or meta tags...') with concrete trigger phrases, matching the anchor-5 example structure exactly.

5 / 5

Trigger Term Quality

The trigger list ('on-page SEO, page audit, title tag, meta description, H1, header structure, internal links, image alt, URL slug, page optimization, optimize this page, SEO this page') covers natural user phrasings including synonyms and element-level terms, matching the comprehensive-synonyms anchor rather than merely 'good coverage with a few missing'.

5 / 5

Distinctiveness Conflict Risk

Element-level triggers (title tag, meta description, URL slug, image alt) carve a clear on-page niche, but broad phrases like 'page audit', 'page optimization', and 'write SEO-friendly copy' carry minor overlap risk with the closely related sibling skills this catalog contains (seo-technical, seo-keyword, seo-content-audit), fitting 'mostly distinct; minor overlap risk' rather than 'minimal conflict risk'.

4 / 5

Total

19

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository

rampstackco/claude-skills

Path

skills/seo-onpage/SKILL.md

Reviewed

Table of Contents

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