Title, OG, Twitter Cards

Keyword analysis

XML sitemap

Block AI scrapers

JSON-LD schemas

Facebook, LinkedIn preview

Google result preview

Viewport, tap targets

WHOIS-based age, registrar

Response headers, security

HTTPS validation

HTML weight

Trace 301, 302 chains

Prevent duplicate content

Multilingual SEO

Links with nofollow/sponsored

Ad performance metrics

Flesch-Kincaid score