1cent URL Intelligence

Check HTTP status for one to five public URLs with a deterministic per-URL quote.

Compare the current normalized content hash with its prior snapshot.

Extract normalized primary document text and optional links.

Build a bounded site passport with discovery hints.

Check reachability and key page signals.

Extract bounded citation and reference links with visible labels.

Return a bounded normalized diff against the previous snapshot.

List up to 100 image references without downloading images.

Extract up to 200 normalized safe links.

Convert readable HTML content to bounded Markdown.

Split readable text into deterministic bounded RAG chunks.

Extract bounded HTML tables into machine-readable rows.

Return bounded normalized readable text.

Check declared robots, sitemap, feed, OpenAPI and llms.txt discovery coherence.

Discover declared RSS and Atom feeds.

Return bounded llms.txt text when publicly available.

Discover and summarize bounded public OpenAPI documents.

Fetch and parse the origin robots.txt policy.

Parse public security.txt fields without following contacts.

Discover up to five bounded sitemap resources.

Return the bounded heading hierarchy from h1 through h6.

Extract bounded JSON-LD blocks without executing scripts.

Extract title, description, author, dates and canonical metadata.

Extract bounded Open Graph and Twitter Card fields.

Estimate words, characters, sentences and reading time.

Resolve requested, final and declared canonical URLs with evidence.

Classify MIME type, charset and bounded content length.

Compute a versioned SHA-256 of normalized content.

Return allowlisted response headers only.

Report declared and heuristically detected document language.

Return the safely validated redirect chain.

Check HTTP reachability, status and final URL.

Return measured end-to-end fetch timing.

Run bounded static HTML accessibility checks without a browser.

Return deterministic thin-content and page-structure quality signals.

Inspect hreflang, canonical and declared-language coherence.

Return safe network timing, payload and cacheability diagnostics.

Validate embedded JSON-LD syntax and required Schema.org identifiers.

Report evidence-backed framework, CMS and generator signals.

Report heuristic authentication, paywall and JavaScript access flags.

Assess CSP, CORS, cross-origin policy and mixed-content signals.

Assess common response security headers as static evidence.

Inspect the public HTTPS certificate on port 443.