Technical SEO, Meta & Schema.org JSON-LD Auditor

Ultra-fast, asynchronous Technical SEO and Schema.org structured data auditor. Crawls web pages to audit metadata lengths, OpenGraph/Twitter Cards, headings hierarchy, image alt accessibility, and Schema.org JSON-LD structured data with an automated 0-100 SEO health score under 128 MB RAM.

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Key Features

• Automated Health Score (0-100): Evaluates critical technical SEO signals and produces instant scores with passed checks and actionable fixes.
• Head Metadata Auditing: Analyzes <title> and <meta name="description"> length against modern Google SERP pixel/character limits (30-60 and 70-160 chars).
• Social Share Verification: Audits OpenGraph (og:title, og:description, og:image) and Twitter Card tags.
• Semantic Hierarchy: Validates single H1 structure and counts H2/H3 depth.
• Image Accessibility: Detects missing alt attributes on images.
• Schema.org JSON-LD Detection: Extracts and catalogues all microdata and JSON-LD schemas (Product, Organization, Article, FAQPage, etc.).
• Internal Link Crawler: Automatically discovers and audits internal pages up to max_pages.
• Pay-Per-Event (PPE) Pricing: Pay only $0.002 per page audited. No fixed monthly commitment!

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Input Parameters

Parameter	Type	Required	Default	Description
start_urls	Array	Yes	[{"url": "https://apify.com"}]	Seed URLs to begin crawling and auditing.
max_pages	Integer	No	10	Maximum pages to audit across target domains (1 to 200).
crawl_internal_links	Boolean	No	true	Automatically discover and audit internal links on the same host.
concurrency	Integer	No	5	Concurrent network workers (1 to 25).
request_timeout_sec	Integer	No	15	Request timeout in seconds (5 to 60).
proxy_configuration	Object	No	{"useApifyProxy": true}	Apify Proxy configuration.

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Pay-Per-Event (PPE) Monetization

This Actor is monetized with Apify's Pay-Per-Event model:

• apify-actor-start: $0.00005 (initialization fee)
• page-audited: $0.002 per web page deeply audited and scored

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Output Dataset Schema

Each record pushed to the default Apify Dataset contains:

{
  "url": "https://cloudflow.io/platform",
  "status_code": 200,
  "seo_health_score": 95,
  "passed_checks": [
    "Title tag is optimal (52 chars).",
    "Meta description is optimal (132 chars).",
    "Canonical URL specified.",
    "Mobile viewport meta tag present.",
    "Exactly one H1 heading found.",
    "Complete OpenGraph social metadata (title, description, image).",
    "All images have non-empty alt attributes.",
    "Structured data detected (SoftwareApplication)."
  ],
  "failed_checks": [],
  "meta": {
    "title": "Enterprise Cloud Analytics Platform | CloudFlow",
    "title_length": 52,
    "title_status": "OK",
    "description": "CloudFlow delivers unified cloud observability, automated performance analytics, and cost intelligence for modern engineering teams.",
    "description_length": 132,
    "description_status": "OK",
    "canonical_url": "https://cloudflow.io/platform",
    "viewport": "width=device-width, initial-scale=1"
  },
  "headings": {
    "h1_count": 1,
    "h1_tags": ["Cloud Observability Platform"],
    "h2_count": 1,
    "h3_count": 1
  },
  "images": {
    "total_images": 1,
    "missing_alt_count": 0
  },
  "json_ld": {
    "has_jsonld": true,
    "types_detected": ["SoftwareApplication"]
  },
  "markdown_summary": "## SEO Audit Report: `https://cloudflow.io/platform`..."
}