Create and check common SEO resources and website metadata for better search visibility and technical website management.
Search visibility depends on both content quality and technical hygiene: clean metadata, valid robots directives, sensible sitemaps and pages that render what crawlers expect.
This hub covers the practical checks and generators for that work.
SEO Checker scores a page's on-page signals from its HTML — title, headings, images and social tags. Open Graph Checker and Meta Tag Analyzer verify social preview tags. Sitemap Checker validates XML structure and lastmod coverage. Robots.txt Checker and Generator handle crawler directives. SERP Preview shows how a result might appear in search.
Meta Tag Generator, UTM Builder, Keyword Density Checker and Slug Generator support the content side — consistent titles, trackable campaign URLs and clean URL slugs.
Several checkers can fetch a public URL in your browser for convenience; they are labelled as requiring a network connection. Nothing is stored on a server.
15 tools
Turn titles into URL-friendly slugs for blogs and SEO.
Grab full-resolution thumbnails from any YouTube URL — no API key. Thumbnails are public files; this tool just builds the address.
Detect Google Analytics, Tag Manager, Meta Pixel and other trackers in page HTML.
See which words and phrases dominate an article, and at what percentage. A warning system for repetition — not a target to hit.
Audit a page's title, description, canonical and social tags from its HTML.
Generate SEO title, description and Open Graph tags for any page.
Verify a page's social preview tags — og:title, description, image and Twitter card.
Validate robots.txt rules, spot site-wide blocks and find the sitemap lines.
Build a valid robots.txt with presets for WordPress, Blogger and Shopify — including the sitemap line crawlers actually use.
Validate JSON-LD structured data and list the schema types it declares.
Preview how your title and description look in Google results — before you publish.
Add UTM tracking parameters to any link for Google Analytics campaigns.
Estimate page-weight performance hints from HTML — markup size, scripts and images.
Score a page's on-page SEO from its HTML — title, headings, images and social tags.
Validate an XML sitemap — format, URL counts, lastmod coverage and protocol limits.
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