SEO tools

Generate Article or BlogPosting JSON-LD with author, dates and image.

Generate BreadcrumbList JSON-LD so results show a path rather than a bare URL.

Generate a rel=canonical link tag, with a check that the URL is suitable.

Build FAQPage JSON-LD from your questions and answers, ready to paste into a page.

Check a page's heading outline for skipped levels, duplicates and missing h1.

Generate hreflang link tags for multilingual and regional versions of a page.

Check the alt text on a page's images, including the difference between missing and decorative.

Check an image's size, dimensions, format and filename against what a web page actually needs.

Check JSON-LD structured data against the properties search engines actually require.

Count word and phrase frequency in a text, with density percentages.

Generate LocalBusiness JSON-LD with address, phone, hours and geo coordinates.

Generate title, description, canonical, Open Graph and Twitter Card tags with live length checks.

Generate Open Graph meta tags so links to your page preview correctly when shared.

Generate Product JSON-LD with price, availability, brand and rating.

Build a robots.txt file, including an optional opt-out for AI training crawlers.

Test whether a URL is allowed for a given crawler, and check a robots.txt for mistakes.

Preview how a page's title and description may appear in search results.

Check an XML sitemap for structural errors, bad dates, wrong hosts and the published limits.

Generate Twitter/X card meta tags for large-image or summary link previews.

Turn a list of URLs into a valid XML sitemap with lastmod and optional fields.