6 browser-based tools to check, fix, and improve your site's SEO — no account needed, no installs, completely free.
✓ No sign-up · ✓ Works in your browser · ✓ Always free
Enter your page title and description to see an exact preview of how your listing appears in Google search results — including character counts and truncation warnings.
✓ Free · InstantPaste your sitemap XML and instantly validate its structure. Checks for required elements, URL formats, and common mistakes that prevent Google from indexing your pages.
✓ Free · InstantPaste your robots.txt and a URL path to test whether Googlebot, Bingbot, or any crawler would be allowed or blocked from crawling that page.
✓ Free · InstantPaste your JSON-LD structured data and validate it for syntax errors, required fields, and correct schema.org types. See which rich results your markup qualifies for.
✓ Free · InstantEnter your Open Graph tags and see exactly how your page will look when shared on Facebook, LinkedIn, Twitter/X, and WhatsApp — before you publish.
✓ Free · InstantPaste your page content and analyse the frequency and density of every keyword. Identify which terms dominate your copy and spot opportunities to improve targeting.
✓ Free · InstantEvery Sitezy build includes meta tags, schema markup, sitemap, and fast CDN hosting as standard. See your site in 48 hours.