Check technical HEAD signals
check_technicalRead-onlyIdempotent
Audit a webpage's HEAD section for AI-crawler technical signals including HTTPS, canonical, OpenGraph, Twitter Card, hreflang, noindex, and title-H1 alignment.
Instructions
Audit a page's HEAD section for technical signals relevant to AI crawlers: HTTPS, canonical, OpenGraph, Twitter Card, hreflang, noindex, and title-vs-H1 hygiene.
Read-only. One HTTP GET, inspects HEAD only (body is not parsed).
Deterministic, rule-based; no LLM.
When to use: when you specifically need HEAD-tag audit findings. For the full page including schema and AI-Overview scoring, use audit_page. For canonical-only, use audit_canonical.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | Public URL to audit. The tool fetches the URL once and inspects HEAD-section signals: HTTPS, canonical, OpenGraph, Twitter Card, hreflang, noindex, title length and overlap with H1. Body content is not parsed. Read-only HTTP GET. | |
| respect_robots | No | If true (default), respect robots.txt before fetching. Set false only for auditing your own site where you've intentionally blocked crawlers. |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| h1 | Yes | First H1 text. | |
| url | Yes | ||
| https | Yes | Whether the URL is served over HTTPS after redirects. | |
| title | Yes | Page title text. | |
| og_url | Yes | OpenGraph og:url, if present. | |
| noindex | Yes | Whether meta robots includes noindex. | |
| findings | Yes | ||
| canonical | Yes | Canonical link href, if present. | |
| fetched_at | Yes |