Netzhandwerker Site Audit

x402

Netzhandwerker Site Audit is a paid API for AI agents from tools.netzhandwerker.de, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Audits a website URL across up to five dimensions (tech stack, speed, security, SEO, accessibility) and returns scores and actionable findings.

Price / call$0.02

Seller volume →—

Success—

StatusUnknown

How this service works

x402-Werkzeuge für autonome Agenten.

Output

Returns a JSON object containing per-section numeric scores (0–100) for each requested audit dimension, plus a detailed findings array with severity (low/medium/high), affected URL, evidence string, title, and actionable fix description. Also includes rich sub-objects for each section: SEO metadata (title, canonicals, heading hierarchy, indexability, image alt coverage), accessibility contrast failures and total violations, tech stack (server, CMS with version and security score, HTTP protocol, image formats, compression, third-party hosts), speed metrics (TTFB, LCP, CLS, INP, total weight, render-blocking resources, largest assets), and security details (TLS version and expiry, SPF/DMARC/relay, security headers, CNAME takeover risk, exposed files).

Example use cases

Pre-launch landing page check

“Before we go live with our new landing page at https://mybrand.com/launch, can you audit it on mobile for SEO, accessibility, and security issues and give me a list of things to fix?”

Competitor tech stack and performance analysis

“I want to know what technology stack and CMS our competitor at https://rival.com is using, and how fast their site is — can you run a tech and speed audit on desktop?”

Ongoing security posture review

“Can you check https://myshop.com for security issues only — things like missing HSTS, CSP headers, TLS certificate health, and mail authentication — so I know what needs hardening?”

Technical details

Endpoint

POSThttps://tools.netzhandwerker.de/v1/site/audit

When to prefer

Choose this endpoint when you need a comprehensive, multi-dimensional technical audit of a public-facing website in a single API call — combining SEO, accessibility, performance, security, and technology detection into one structured response. It is particularly useful for AI agents automating site quality workflows, pre-launch checklists, or competitive analysis, especially when you need machine-readable findings with severity and fix guidance rather than a human-readable report. Prefer it over single-purpose tools when breadth of coverage and structured output matter.

Side effects

Invalid or unreachable URL returns an error — ensure the target responds to HTTP/HTTPS
Unknown or unsupported sections enum values will be rejected by schema validation
Very slow or timing-out target sites may produce incomplete speed metrics
Sites behind aggressive bot-blocking or CAPTCHAs may return partial results
Malformed JSON body (e.g. missing required url field) returns a 400-level error
Payment failure (insufficient USDC balance) results in a 402 response before the audit is executed

Input

Schema · Request body

Field	Type	Description
url	string	Ziel-URL, http oder https
sections	array	Abschnitte, die geprueft werden sollen. Voreinstellung: alle fuenf.
viewport	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "url": "https://example.com",
    "score": {
      "seo": 88,
      "a11y": 97,
      "tech": 92,
      "speed": 71,
      "security": 60
    },
    "findings": [
      {
        "id": "sec_kein_hsts",
        "fix": "Strict-Transport-Security mit max-age von mindestens einem halben Jahr setzen.",
        "title": "Kein HSTS-Header",
        "section": "security",
        "affected": "https://example.com/",
        "evidence": "Antwortkopf enthaelt kein Strict-Transport-Security",
        "severity": "mittel"
      }
    ],
    "sections": {
      "seo": {
        "titel": {
          "text": "Beispielseite",
          "laenge": 13
        },
        "canonical": "https://example.com/",
        "ueberschriften": {
          "anzahl": {
            "h1": 1,
            "h2": 4
          },
          "hierarchie_spruenge": []
        },
        "indexierbarkeit": {
          "indexierbar": true
        },
        "bild_alternativtexte": {
          "ohne_alt": 2,
          "bilder_gesamt": 12
        }
      },
      "a11y": {
        "kontrastfehler": [
          {
            "selektor": "div.faq > summary",
            "hintergrundfarbe": "#101b2d",
            "vordergrundfarbe": "#122a4c",
            "gemessenes_verhaeltnis": 1.2,
            "gefordertes_verhaeltnis": 4.5
          }
        ],
        "verstoesse_gesamt": 1
      },
      "tech": {
        "server": "nginx",
        "caching": {
          "etag": "W/\"1a2b\"",
          "cache_control": "max-age=3600"
        },
        "systeme": [
          {
            "name": "WordPress",
            "beleg": "meta generator",
            "version": "6.5.2",
            "kategorie": "cms",
            "sicherheit": 95
          }
        ],
        "protokoll": {
          "http2": true,
          "http_version": "HTTP/2",
          "http3_genutzt": true,
          "http3_advertised": true
        },
        "bildformate": {
          "gesamt": 12,
          "nach_format": {
            "png": 3,
            "webp": 9
          },
          "anteil_modern": 0.75
        },
        "kompression": {
          "aktiv": true,
          "content_encoding": "br"
        },
        "drittanbieter_hosts": {
          "hosts": [
            "fonts.gstatic.com"
          ],
          "anzahl": 4
        }
      },
      "speed": {
        "cls": 0,
        "inp_ms": null,
        "lcp_ms": 3109,
        "ttfb_ms": 133,
        "gesamtgewicht_kb": 259.8,
        "render_blockierend": [
          {
            "url": "https://example.com/css/style.css",
            "bytes": 19723
          }
        ],
        "groesste_ressourcen": [
          {
            "typ": "Font",
            "url": "https://example.com/fonts/a.woff2",
            "bytes": 35630
          }
        ]
      },
      "security": {
        "tls": {
          "version": "TLSv1.3",
          "gueltig_bis": "Sep 20 2026 GMT",
          "tage_verbleibend": 45
        },
        "mail": {
          "spf": "v=spf1 a mx ~all",
          "dmarc": "v=DMARC1; p=quarantine",
          "relay_hinweis": null
        },
        "header": {
          "csp": null,
          "hsts": null,
          "x_frame_options": "SAMEORIGIN"
        },
        "cname_uebernahme": {
          "risiko": false
        },
        "offengelegte_dateien": [],
        "offene_verzeichnislisten": []
      }
    },
    "viewport": "mobile",
    "final_url": "https://example.com/",
    "critical_count": 0,
    "unavailable_sections": []
  }
}

Reviews

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How this service works

x402-Werkzeuge für autonome Agenten.

Output

Example use cases

Pre-launch landing page check

“Before we go live with our new landing page at https://mybrand.com/launch, can you audit it on mobile for SEO, accessibility, and security issues and give me a list of things to fix?”

Competitor tech stack and performance analysis

“I want to know what technology stack and CMS our competitor at https://rival.com is using, and how fast their site is — can you run a tech and speed audit on desktop?”

Ongoing security posture review

“Can you check https://myshop.com for security issues only — things like missing HSTS, CSP headers, TLS certificate health, and mail authentication — so I know what needs hardening?”

Technical details

Endpoint

POSThttps://tools.netzhandwerker.de/v1/site/audit

When to prefer

Side effects

Invalid or unreachable URL returns an error — ensure the target responds to HTTP/HTTPS
Unknown or unsupported sections enum values will be rejected by schema validation
Very slow or timing-out target sites may produce incomplete speed metrics
Sites behind aggressive bot-blocking or CAPTCHAs may return partial results
Malformed JSON body (e.g. missing required url field) returns a 400-level error
Payment failure (insufficient USDC balance) results in a 402 response before the audit is executed

Input

Schema · Request body

Field	Type	Description
url	string	Ziel-URL, http oder https
sections	array	Abschnitte, die geprueft werden sollen. Voreinstellung: alle fuenf.
viewport	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "url": "https://example.com",
    "score": {
      "seo": 88,
      "a11y": 97,
      "tech": 92,
      "speed": 71,
      "security": 60
    },
    "findings": [
      {
        "id": "sec_kein_hsts",
        "fix": "Strict-Transport-Security mit max-age von mindestens einem halben Jahr setzen.",
        "title": "Kein HSTS-Header",
        "section": "security",
        "affected": "https://example.com/",
        "evidence": "Antwortkopf enthaelt kein Strict-Transport-Security",
        "severity": "mittel"
      }
    ],
    "sections": {
      "seo": {
        "titel": {
          "text": "Beispielseite",
          "laenge": 13
        },
        "canonical": "https://example.com/",
        "ueberschriften": {
          "anzahl": {
            "h1": 1,
            "h2": 4
          },
          "hierarchie_spruenge": []
        },
        "indexierbarkeit": {
          "indexierbar": true
        },
        "bild_alternativtexte": {
          "ohne_alt": 2,
          "bilder_gesamt": 12
        }
      },
      "a11y": {
        "kontrastfehler": [
          {
            "selektor": "div.faq > summary",
            "hintergrundfarbe": "#101b2d",
            "vordergrundfarbe": "#122a4c",
            "gemessenes_verhaeltnis": 1.2,
            "gefordertes_verhaeltnis": 4.5
          }
        ],
        "verstoesse_gesamt": 1
      },
      "tech": {
        "server": "nginx",
        "caching": {
          "etag": "W/\"1a2b\"",
          "cache_control": "max-age=3600"
        },
        "systeme": [
          {
            "name": "WordPress",
            "beleg": "meta generator",
            "version": "6.5.2",
            "kategorie": "cms",
            "sicherheit": 95
          }
        ],
        "protokoll": {
          "http2": true,
          "http_version": "HTTP/2",
          "http3_genutzt": true,
          "http3_advertised": true
        },
        "bildformate": {
          "gesamt": 12,
          "nach_format": {
            "png": 3,
            "webp": 9
          },
          "anteil_modern": 0.75
        },
        "kompression": {
          "aktiv": true,
          "content_encoding": "br"
        },
        "drittanbieter_hosts": {
          "hosts": [
            "fonts.gstatic.com"
          ],
          "anzahl": 4
        }
      },
      "speed": {
        "cls": 0,
        "inp_ms": null,
        "lcp_ms": 3109,
        "ttfb_ms": 133,
        "gesamtgewicht_kb": 259.8,
        "render_blockierend": [
          {
            "url": "https://example.com/css/style.css",
            "bytes": 19723
          }
        ],
        "groesste_ressourcen": [
          {
            "typ": "Font",
            "url": "https://example.com/fonts/a.woff2",
            "bytes": 35630
          }
        ]
      },
      "security": {
        "tls": {
          "version": "TLSv1.3",
          "gueltig_bis": "Sep 20 2026 GMT",
          "tage_verbleibend": 45
        },
        "mail": {
          "spf": "v=spf1 a mx ~all",
          "dmarc": "v=DMARC1; p=quarantine",
          "relay_hinweis": null
        },
        "header": {
          "csp": null,
          "hsts": null,
          "x_frame_options": "SAMEORIGIN"
        },
        "cname_uebernahme": {
          "risiko": false
        },
        "offengelegte_dateien": [],
        "offene_verzeichnislisten": []
      }
    },
    "viewport": "mobile",
    "final_url": "https://example.com/",
    "critical_count": 0,
    "unavailable_sections": []
  }
}