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Seo Page

  • 30 installs
  • 548 repo stars
  • Updated July 20, 2026
  • agricidaniel/codex-seo

seo-page is a Claude Code skill that runs a deep single-page SEO analysis of on-page elements, content quality, technical meta, schema, and images.

About

seo-page is a Claude Code skill that performs a deep SEO analysis of a single page: on-page elements, content quality, technical meta tags, schema, images, and Core Web Vitals signals. A developer uses it on one URL to get a prioritized scorecard and ready-to-use JSON-LD suggestions. It is the single-URL counterpart to the suite's site-wide crawl skills.

  • Deep single-page audit of title, meta, headings, content quality, schema, and images
  • Outputs a scorecard across on-page, content, technical, schema, and image dimensions
  • Warns against deprecated HowTo and restricted FAQ schema recommendations

Seo Page by the numbers

  • 30 all-time installs (skills.sh)
  • +3 installs in the week ending Jul 12, 2026 (Skillselion tracking)
  • Ranked #1,412 of 1,879 Marketing & SEO skills by installs in the Skillselion catalog
  • Data as of Aug 5, 2026 (Skillselion catalog sync)
At a glance

seo-page capabilities & compatibility

Free; optional DataForSEO MCP for real SERP and backlink data if installed

Capabilities
on page audit · meta tag audit · schema audit · content quality check · image check · seo audit
Use cases
seo · web design
Pricing
Free
From the docs

What seo-page says it does

Deep single-page SEO analysis covering on-page elements, content quality, technical meta tags, schema, images, and performance.
SKILL.md
NEVER recommend HowTo (deprecated) or FAQ (restricted to gov/health)
SKILL.md
npx skills add https://github.com/agricidaniel/codex-seo --skill seo-page

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Listed on Skillselion
Installs30
repo stars548
Last updatedJuly 20, 2026
Repositoryagricidaniel/codex-seo

What it does

Deep-analyze one URL's on-page SEO, meta tags, schema, and images and get a prioritized fix scorecard.

Who is it for?

A thorough SEO audit of one URL covering on-page, content, technical meta, schema, and images

Skip if: Site-wide crawls; use seo-firecrawl to inventory a whole site

When should I use this skill?

user says analyze this page, check page SEO, single URL, page analysis, or provides a single URL for review

What you get

A prioritized single-page scorecard with issues by severity and ready-to-use JSON-LD schema suggestions.

  • Single-page scorecard
  • Issues by priority (Critical to Low)
  • Ready-to-use JSON-LD schema suggestions

By the numbers

  • Title 50-60 chars, meta description 150-160 chars
  • 5 scorecard dimensions

Files

SKILL.mdMarkdownGitHub ↗

Single Page Analysis

Shared Data Cache

Step 0 -- Check shared data cache:

Before gathering, check .seo-cache/ for reusable context from related SEO skills. Reference: ../seo/references/shared-data-cache.md for schemas and dependency map.

Check these cache files when present:

  • .seo-cache/site-meta.json for domain, business type, industry, and crawl context
  • .seo-cache/audit-scores.json for prior full-audit priorities
  • .seo-cache/pages/{url-slug}/page-analysis.json for page-level context when a URL is provided
  • If found: parse and use clearly valid fields (note "Using cached [X] from [date]")
  • If missing, corrupt, or irrelevant: continue with fresh evidence
  • If the user says "refresh" or "re-run": ignore cache reads and overwrite on write

What to Analyze

On-Page SEO

  • Title tag: 50-60 characters, includes primary keyword, unique
  • Meta description: 150-160 characters, compelling, includes keyword
  • H1: exactly one, matches page intent, includes keyword
  • H2-H6: logical hierarchy (no skipped levels), descriptive
  • URL: short, descriptive, hyphenated, no parameters
  • Internal links: sufficient, relevant anchor text, no orphan pages
  • External links: to authoritative sources, reasonable count

Content Quality

  • Word count vs page type minimums (see quality-gates.md)
  • Readability: Flesch Reading Ease score, grade level
  • Keyword density: natural (1-3%), semantic variations present
  • E-E-A-T signals: author bio, credentials, first-hand experience markers
  • Content freshness: publication date, last updated date

Technical Elements

  • Canonical tag: present, self-referencing or correct
  • Meta robots: index/follow unless intentionally blocked
  • Open Graph: og:title, og:description, og:image, og:url
  • Twitter Card: twitter:card, twitter:title, twitter:description
  • Hreflang: if multi-language, correct implementation

Schema Markup

  • Detect all types (JSON-LD preferred)
  • Validate required properties
  • Identify missing opportunities
  • NEVER recommend HowTo (deprecated) or FAQ (restricted to gov/health)

Images

  • Alt text: present, descriptive, includes keywords where natural
  • File size: flag >200KB (warning), >500KB (critical)
  • Format: recommend WebP/AVIF over JPEG/PNG
  • Dimensions: width/height set for CLS prevention
  • Lazy loading: loading="lazy" on below-fold images

Core Web Vitals (reference only, not measurable from HTML alone)

  • Flag potential LCP issues (huge hero images, render-blocking resources)
  • Flag potential INP issues (heavy JS, no async/defer)
  • Flag potential CLS issues (missing image dimensions, injected content)

Output

Page Score Card

Overall Score: XX/100

On-Page SEO:     XX/100  ████████░░
Content Quality: XX/100  ██████████
Technical:       XX/100  ███████░░░
Schema:          XX/100  █████░░░░░
Images:          XX/100  ████████░░

Issues Found

Organized by priority: Critical -> High -> Medium -> Low

Recommendations

Specific, actionable improvements with expected impact

Schema Suggestions

Ready-to-use JSON-LD code for detected opportunities

DataForSEO Integration (Optional)

If DataForSEO MCP tools are available, use serp_organic_live_advanced for real SERP positions and backlinks_summary for backlink data and spam scores.

Error Handling

ScenarioAction
URL unreachable (DNS failure, connection refused)Report the error clearly. Do not guess page content. Suggest the user verify the URL and try again.
Page requires authentication (401/403)Report that the page is behind authentication. Suggest the user provide the rendered HTML directly or a publicly accessible URL.
JavaScript-rendered content (empty body in HTML)Note that key content may be rendered client-side. Analyze the available HTML and flag that results may be incomplete. Suggest using a browser-rendered snapshot if available.

Write to shared data cache

After completing all work, write a concise JSON summary to .seo-cache/ when the workflow produced durable findings. Use the schemas and naming rules in ../seo/references/shared-data-cache.md; include at least cache_type, analyzed_at, source URL/domain, key findings, issues, recommendations, and tool limitations. Add .seo-cache/ to .gitignore if it is missing.

Related skills

FAQ

What title and meta lengths does seo-page recommend?

Title tag 50-60 characters with the primary keyword, and meta description 150-160 characters that is compelling and includes the keyword.

Which schema types does it avoid recommending?

It never recommends HowTo (deprecated) or FAQ (restricted to gov/health) schema.

Marketing & SEOseocontent

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