About Website Checker

Website Checker runs a health check on a website: DNS and email records, the TLS certificate, HTTP headers, server disclosure, images and AI readability. The checks run in your browser; a small relay fetches the site's public pages on your behalf because browsers cannot read other origins.

Definitions

In these terms, "Zenith App Foundry", "we" and "us" mean Zenith App Foundry, a business name of Zenith Consulting Services Pty Ltd (ABN 29 918 988 901); "End User" and "you" mean the person or organisation using the Software; "Software" means Website Checker, including its website, app and any service it relies on; "Documentation" means the guides, help text, reports and other material we supply with the Software; "Party" means any person or organisation; "Intellectual Property" means all copyright, trade marks, designs, know-how and other intellectual property rights, registered or not.

What is fetched, and what is kept

• For the site you enter, the relay fetches the home page, robots.txt, llms.txt, the sitemap, up to 50 same-origin pages, the images those pages reference, and performs one TLS handshake. DNS records are resolved over DNS over HTTPS from your browser.
• The pages, images and files fetched during a check are not stored. The relay keeps only a daily count of checks per visitor (a hash of your IP address and a browser cookie).
• A summary of the results, excluding the Exposure section, may be cached for up to 7 days and shown to anyone else who checks the same site; entering a hostname first shows that cached report, marked with its age, before offering a fresh check.
• Reports you run are also kept in this browser only (the last 10); sharing a link re-runs the check rather than retrieving a stored copy.
• The relay's own operational logs record a salted, one-way hash of your IP address and never the body of a fetched page, kept for 14 days.

Limits

Three checks per visitor per day, at most five fresh checks against one site per day across all visitors, and a daily cap across everyone combined. Each check is confirmed with Cloudflare Turnstile to keep the service for real visitors rather than automated traffic. Limits, checks and scoring may change without notice.

Third-party data

Technology fingerprinting uses a trimmed dataset from enthec/webappanalyzer (the maintained Wappalyzer fork), licensed GNU GPL-3.0. The dataset is served as a separate file, not compiled into this app, alongside its licence.

Opting a site out

A site owner can ask for their hostname to be excluded from checks by emailing support@zenithappfoundry.com. Once added to the blocklist, a check against that hostname is rejected before any fetch with the message "This site has opted out of checks."

Permission

Run Website Checker only against sites you own, manage, or have permission to test. The crawl is polite (it identifies itself as ZAF-WebsiteChecker, respects robots.txt and stops at 50 pages), but you are responsible for how you use it.

Licence

We grant you a non-exclusive, non-transferable, revocable licence to use the Software and Documentation for your own business, professional or educational purposes, free of charge, in accordance with these terms. We and our licensors own all Intellectual Property in the Software and Documentation.

Specific prohibitions on use of the Software

The End User agrees that it must not:

• infringe Zenith App Foundry's or any third Party's Intellectual Property in the Software or the Documentation;
• use the Software or Documentation in any way that could damage the reputation of Zenith App Foundry or the goodwill or other rights enjoyed by Zenith App Foundry;
• permit any third Party to obtain access to the Software, or Documentation;
• communicate offensive, defamatory or otherwise objectionable material using the Software;
• reproduce, make error corrections to or otherwise modify or adapt the Intellectual Property in the Software, Documentation or create any derivative works based on the Software and Documentation;
• de-compile, disassemble, decrypt, or otherwise reverse engineer the Software or permit any third Party to do so;
• transfer, sublicense, rent, lease, lend, license or otherwise transfer or assign the Software; and
• modify or remove any copyright or proprietary notices associated with the Software.

Nothing in these terms restricts any right you have under the GNU GPL-3.0 licence for the enthec/webappanalyzer dataset, which the Software serves as a separate file with its licence. Sharing a report link with another person is permitted.

No warranty

Findings are derived from what the site exposes at the time of the check and are provided without warranty of any kind. A clean result is not a guarantee that a site is secure, and a grade is not a prediction of rankings, traffic or AI citations. Nothing here is security, legal or SEO advice. Nothing in these terms excludes any right you have under the Australian Consumer Law that cannot lawfully be excluded.

Liability

To the extent the law allows, we are not liable for indirect or consequential loss, lost profits, or loss arising from your reliance on a check or report from Website Checker. Where liability cannot be excluded, it is limited to resupplying the service.

Changes to these terms

We may update these terms. The version and date are shown at the top of the Terms of Use page, and a material change asks you to accept the new version again next time you use Website Checker in that browser.

Ending your use

You can stop using Website Checker at any time; there is no account to close. We may block access from a visitor or a site that breaches these terms.

Governing law

These terms are governed by the laws of Queensland, Australia, and you and we submit to the courts of that state.

Provider

Website Checker is provided by Zenith App Foundry, a business name of Zenith Consulting Services Pty Ltd (ABN 29 918 988 901), Brisbane, Australia. support@zenithappfoundry.com