SEO Tools

Check how a page looks to search engines and fix what you find: titles, headings, canonicals, links, schema, and sitemaps.

13 tools Checks run on our server. Nothing is stored. Free, no sign-up Updated

All SEO Tools

  • Meta Tag Generator

    Build page title, description, canonical, robots, and other basic head tags.

  • Open Graph Generator

    Create Open Graph title, description, image, and URL tags for social previews.

  • Twitter Card Generator

    Generate twitter:card tags for X previews, including title, description, and image fields.

  • XML Sitemap Generator

    Build sitemap.xml files from pasted URLs or collect links from one page and export valid sitemap XML.

  • Schema Markup Validator

    Check JSON-LD and extracted page schema for syntax, type, property, and rich result rule issues.

  • Website SEO Analyzer

    Checks one page for SEO basics, response details, tags, headings, links, and structured data without running JavaScript.

  • Heading Checker

    Shows the H1 to H6 outline for one page and flags missing H1s, skipped levels, empty headings, and similar issues.

  • Canonical Checker

    Checks HTML and header canonicals, target status, self-reference, and conflicts such as noindex or mixed host versions.

  • Sitemap URL Extractor

    Reads sitemap files, follows sitemap indexes, and exports the URL list with lastmod values when available.

  • Broken Link Checker

    Fetches one page, checks up to 100 links, and reports broken, redirected, and slow links with status details.

  • Internal Link Checker

    Checks same-host links from one page and flags redirects, duplicates, status issues, and rel values.

  • Page Size Checker

    Reports HTML size, resource totals by type, and the largest files for one page without running JavaScript.

  • Page Load Analyzer

    Measures response timing and resource headers for one page without browser rendering or JavaScript execution.

What the checkers look at

The checkers work on one page at a time. They inspect the HTML our server receives, then report what is missing, duplicated, broken, or conflicting. JavaScript is not rendered, so these tools reflect the raw page response rather than the finished page in your browser.

That makes them useful for title tags, meta descriptions, canonical tags, headings, links, schema blocks, sitemap files, and response details such as redirects or compression. It also explains why a tool can disagree with what you see in a browser tab.

Generators

Use the generators to build the tags and files a page needs before you publish. This category includes tools for meta tags, Open Graph tags, Twitter cards, and XML sitemaps.

Related tools in other categories: Robots.txt Generator, Google SERP Preview, Hreflang Tags Generator, and UTM Builder.

Frequently asked questions

Why does the analyzer see something different from my browser?

The analyzer does not run JavaScript, and the request comes from our server. If your page builds tags or content in the browser, the result can differ.

Do you store the pages I check?

No. The page address is used only for the check you start and is not stored.

How many links does the link checker test?

Up to 100 links from one page per check. That limit keeps the result fast and prevents one request from turning into a crawl.