Runs the SEO, accessibility, security-header, schema and build-quality audits against one URL at once, with a combined score and every failing check ranked worst-first. Speed Test optional.

Paste a URL. Get a graded report on title, meta, canonical, OG, JSON-LD, h1, robots, sitemap, and llms.txt.

Render any URL the way Slack, iMessage, Twitter, LinkedIn, Discord, and Google would.

Form-driven generator for Organization, FAQPage, Product, Article, BreadcrumbList and more — copy-paste ready.

Pulls every JSON-LD block from a page and checks each entity against schema.org and Google rich-result requirements.

Decide what may index you, what may cite you and what may train on you — across 34 named crawlers.

Paste a foreground and background. Get the ratio, pass status, and a one-click brand-safe fix.

Runs the axe-core accessibility rules via Lighthouse. Grades contrast, names and labels, and landmarks.

Paste an embed and get minified HTML, CSS and JS, the real character count, and its size gzipped.

Reads the compiled stylesheet and flags generated class names, brittle selectors and px-locked layouts.

Runs PageSpeed Insights. Grades LCP, INP, CLS, FCP, TBT and Speed Index, with real-user field data.

Draws the landmark tree and heading outline of any URL, and flags what a visual check cannot see.

Scans HSTS, CSP, X-Frame-Options, Referrer-Policy and more, with the exact fix for each gap.

Paste markup full of Tailwind utility classes and get plain CSS back, every class resolved.