Analyze, Optimize & Secure Your Service

Submit your URL and receive a free 7-day performance report via email.

Web speed, latency and availability from global probes

Identify misconfigured services or expired certificates

Email checks including spam protection and blacklists

Your Device Info

We've collected some basic details from your browser to better understand your current environment. This information helps us provide faster diagnostics and smarter suggestions.

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Check More About Me!

Free Diagnostics Tool

Standards-driven diagnostics platform designed to assess the availability, resilience, and compliance of your domain, web and email services. Built upon RFC and ISO/IEC best practices, it evaluates key components of your internet presence, including DNS integrity (RFC 1034/1035), HTTP response headers, SSL/TLS configurations, email deliverability (RFC 5321/5322) and security posture aligned with ISO/IEC 27001.

3rd Party Integration

Uses real-world infrastructure including our WEDOS.online Service Availability Monitoring solution and Anycast DNS and CDN services to simulate and measure global performance and protection benefits. With our tool, you can:

Easy to Use

This tool is built for developers, sysadmins, and business owners. It helps you understand and improve your internet-facing systems. Results come with plain-language explanations and recommendations powered by AI.

What people are saying…

Petra M.
Petra M.

„I didn't expect the tool to uncover so many email issues. Thanks for flagging the broken SPF and missing DMARC, our campaigns no longer end up in spam.“

Michal K.
Michal K.

„I love that the output is human-readable yet technically precise. I handed the results to our developers straight away and the fixes went smoothly.“

Eva Š.
Eva Š.

„The analyzer helped me uncover critical issues on a client's site, missing sitemap, broken redirects, and wrong HTTP headers. The output was clear and ready to use for reporting.“