Single Page Analysis
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 for rich results (retired May 2026); existing FAQPage need not be removed, use QAPage for genuine Q&A
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: report
lazy_method per image (native | perfmatters | ewww | js-generic | none). Do not flag "not lazy-loaded" when JS lazy-loaders (Perfmatters, EWWW, lazysizes) are detected, they intentionally strip the native loading="lazy" attribute and use data-src placeholders
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
| Scenario |
Action |
| 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. |
1---2name: seo-page3description: Deep single-page SEO analysis covering on-page elements, content quality, technical meta tags, schema, images, and performance. Use when user says "analyze this page", "check page SEO", "single URL", "check this page", "page analysis", or provides a single URL for review.4license: MIT5---67# Single Page Analysis89## What to Analyze1011### On-Page SEO12- Title tag: 50-60 characters, includes primary keyword, unique13- Meta description: 150-160 characters, compelling, includes keyword14- H1: exactly one, matches page intent, includes keyword15- H2-H6: logical hierarchy (no skipped levels), descriptive16- URL: short, descriptive, hyphenated, no parameters17- Internal links: sufficient, relevant anchor text, no orphan pages18- External links: to authoritative sources, reasonable count1920### Content Quality21- Word count vs page type minimums (see quality-gates.md)22- Readability: Flesch Reading Ease score, grade level23- Keyword density: natural (1-3%), semantic variations present24- E-E-A-T signals: author bio, credentials, first-hand experience markers25- Content freshness: publication date, last updated date2627### Technical Elements28- Canonical tag: present, self-referencing or correct29- Meta robots: index/follow unless intentionally blocked30- Open Graph: og:title, og:description, og:image, og:url31- Twitter Card: twitter:card, twitter:title, twitter:description32- Hreflang: if multi-language, correct implementation3334### Schema Markup35- Detect all types (JSON-LD preferred)36- Validate required properties37- Identify missing opportunities38- Never recommend HowTo (deprecated) or FAQ for rich results (retired May 2026); existing FAQPage need not be removed, use QAPage for genuine Q&A3940### Images41- Alt text: present, descriptive, includes keywords where natural42- File size: flag >200KB (warning), >500KB (critical)43- Format: recommend WebP/AVIF over JPEG/PNG44- Dimensions: width/height set for CLS prevention45- Lazy loading: report `lazy_method` per image (native | perfmatters | ewww | js-generic | none). Do not flag "not lazy-loaded" when JS lazy-loaders (Perfmatters, EWWW, lazysizes) are detected, they intentionally strip the native `loading="lazy"` attribute and use `data-src` placeholders4647### Core Web Vitals (reference only, not measurable from HTML alone)48- Flag potential LCP issues (huge hero images, render-blocking resources)49- Flag potential INP issues (heavy JS, no async/defer)50- Flag potential CLS issues (missing image dimensions, injected content)5152## Output5354### Page Score Card55```56Overall Score: XX/1005758On-Page SEO: XX/100 ████████░░59Content Quality: XX/100 ██████████60Technical: XX/100 ███████░░░61Schema: XX/100 █████░░░░░62Images: XX/100 ████████░░63```6465### Issues Found66Organized by priority: Critical -> High -> Medium -> Low6768### Recommendations69Specific, actionable improvements with expected impact7071### Schema Suggestions72Ready-to-use JSON-LD code for detected opportunities7374## DataForSEO Integration (Optional)7576If DataForSEO MCP tools are available, use `serp_organic_live_advanced` for real SERP positions and `backlinks_summary` for backlink data and spam scores.7778## Error Handling7980| Scenario | Action |81|----------|--------|82| URL unreachable (DNS failure, connection refused) | Report the error clearly. Do not guess page content. Suggest the user verify the URL and try again. |83| 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. |84| 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. |
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