$ zelthra --tools

Free Tools to Check Your Website's SEO, Security & Technical Health

Nine free tools covering the technical checks we run on every website audit — no signup, no email required. Paste a URL and get real answers in seconds.

Start With a Full Website Audit Talk to Our Team
zelthra.com/tools
9 Free Tools
9 Tools One Free Toolkit
$ zelthra --grade Website Grader
$ zelthra --meta-check Meta Tag Checker
$ zelthra --link-check Broken Link Checker
$ zelthra --schema-check Schema Validator
$ zelthra --security-check Security Headers Checker
$ zelthra --tech-detect Technology Detector
$ ls ./tools

All Free Tools

Every tool below runs the same checks our team uses during a real website audit — free to use as often as you'd like. Most of what they check falls under technical SEO and ongoing website maintenance & support — the two services these results most often point back to.

$ zelthra --grade

Website Grader

A full audit covering SEO, performance, security, accessibility, and technical health — scored and explained in plain language.

Run a Full Audit $ zelthra --seo-aeo-geo

SEO, AEO & GEO Checker

See how any page scores for classic SEO, Answer Engine Optimization (AI Overviews, ChatGPT, Perplexity), and Generative Engine Optimization (AI crawler visibility) — all in one check.

Check SEO, AEO & GEO $ zelthra --meta-check

Meta Tag & SEO Preview Checker

See exactly how your page looks on Google, Facebook/LinkedIn, and X/Twitter, plus a full meta tag checklist with fix snippets.

Check My Meta Tags $ zelthra --link-check

Broken Link Checker

Scan a page for dead and redirected links, with the anchor text and page location for each one you need to fix.

Check My Links $ zelthra --schema-check

Schema Markup Validator

Validate your JSON-LD structured data against Google's requirements for Organization, Product, FAQ, and more.

Validate My Schema $ zelthra --robots-check

Robots.txt & Sitemap Checker

Make sure you're not accidentally blocking Google from crawling your site, and that your sitemap is valid and reachable.

Check My Site $ zelthra --security-check

SSL & Security Headers Checker

Check your SSL certificate's validity and expiry, plus the security headers that protect against common attacks.

Check My Security $ zelthra --redirect-check

Redirect Chain Checker

Trace a URL through every redirect hop and catch loops, excessive chains, and 301 vs 302 mistakes.

Trace My URL $ zelthra --tech-detect

Website Technology Detector

Find out what CMS, page builder, analytics tools, and JS libraries any website is running.

Detect Technology
FAQ

Frequently Asked Questions

Yes. Every tool listed here is completely free, with no signup or email required, and no limit on how many times you can use them.

No. Each tool fetches and checks the page live, and doesn't save the URL or results anywhere.

If you're not sure where to start, run the Website Grader first — it covers SEO, performance, security, and technical health in one audit, and will point you toward whichever other tool matters most for your site.

Yes. You can check any publicly accessible URL, which is useful for researching competitors or vetting a site before working with it.

Yes. These are the same checks our team runs during a real website audit. If a tool finds something worth fixing, get in touch and we can take care of it.

$ zelthra --start

Found Something Worth Fixing?

These tools show you what's wrong — our team can fix it. From SEO and security to full website rebuilds, we handle the technical work so you don't have to.

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