862 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Paid cache-freshness strategy audit — probes HTML page + /favicon.ico + /robots.txt + /sitemap.xml + first stylesheet URL + first script URL; for each captures Cache-Control directives + ETag + Last-Modified + Age + Vary...
Paid form security + accessibility audit — per-form action analysis (empty/#/javascript:/data:/mixed-content http-on-https), method (GET with passwords = credential-in-URL), enctype (text/plain CRLF injection), target=_b...
Paid OpenAPI 3.x / Swagger spec diff — accepts two URLs (url_a + url_b) or two inline payloads (spec_a + spec_b) as JSON or YAML, reports breaking changes (removed paths, removed operations, type/format changes, enum nar...
Paid security.txt RFC 9116 deep audit — path discovery tries /.well-known/security.txt then /security.txt, parses all fields with line-continuation support, strict Contact format validation (mailto: + https://), strict E...
Paid Open Graph + Twitter Card spec validator — required OG detection (og:title/type/image/url), recommended (description/site_name/locale/image:width/image:height/image:alt), og:type enum validation (website/article/boo...
Paid exhaustive meta-tag coverage audit — title + meta_description + meta_robots + meta_keywords + meta_author + meta_generator + meta_theme_color + meta_viewport + 17 OG fields (og:title/description/image/url/type/site_...
Paid network-timing breakdown for a URL — DNS resolve + TCP connect + TLS handshake + TTFB (time to first byte) + total download phase-by-phase milliseconds + CDN/edge-region detection from CF-Ray/X-Amz-Cf-Pop/X-Vercel-I...
Paid deep robots.txt audit — per-UA directive counts, sitemap, 34 AI-bot directive detection (GPTBot/ClaudeBot/Google-Extended/CCBot/PerplexityBot/Meta-ExternalAgent/Bytespider/etc), crawl-delay, anti-pattern flags, robo...
Paid HTTP cache-control audit — probes favicon/robots/sitemap headers (Cache-Control+max-age+s-maxage+immutable+stale-while-revalidate / ETag / Last-Modified / Vary / Surrogate-Control / CDN-specific) returns cache_valid...
Paid publishing-velocity audit via Wayback CDX API — monthly distinct content-URL capture over 12 months, cadence classification (regular/bursty/dormant/irregular), burst + dormant detection, decay_trend (warming/stable/...
Paid deep sitemap audit — format validity + lastmod coverage % + lastmod ISO 8601 validity + image/video/news/xhtml extension support + sitemap index nesting depth + robots.txt Sitemap directive + changefreq/priority dep...
Paid canonical URL consensus audit — link rel=canonical + HTTP redirect final + og:url + twitter:url + JSON-LD url/@id/mainEntityOfPage + hreflang x-default compared, consensus URL + agreement_count + canonical_health_sc...
Paid composite agent-trustworthiness score — security headers (HTTPS/HSTS/CSP/XFO/XCTO/RP/PP) + discoverability (robots/sitemap/llms.txt/security.txt) + standards (structured data/lang/cookie consent) rollup with A-F gra...
Paid multi-signal page-type classifier (URL/title/JSON-LD/OG/microdata/forms/structure -> primary category + confidence + secondary + A-F grade) via x402
Paid full llms.txt + llms-full.txt fetcher with parsed section breakdown (H1 title, per-section URL + bullet count) for AI-agent context loading via x402
Paid script-inventory extractor (x402 $0.001) - GET ?url=<URL> enumerates every <script src> with integrity/crossorigin/type attributes and reports same-origin vs third-party breakdown. via x402
Paid HTTP redirect chain + final URL via x402
Paid URL text summary via x402
Paid comprehensive SEO audit (title length, meta description, canonical, robots, viewport, OG/Twitter, JSON-LD, hreflang, favicon, sitemap + A-F grade) via x402
Paid URL metadata extraction via x402
Base or Ethereum contract address -> ABI and function list: Sourcify verification (exact/partial match), contract name, compiler, ABI, function selectors + signatures, event topics; proxies (EIP-1967, ZeppelinOS, others...
Extract every link from a public page for crawling agents: de-duplicated absolute URLs with anchor text, internal/external counts, declared feeds and a sitemap hint.