Get instant insight in the performance of your website with our free tools

Test your site for reachability problems and validity issues with your SSL certificate.

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Free Instant HTTPS and SSL Checker

Is your website properly secured by a valid SSL certificate? Use our free tool to find out.

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Free Website Reachability Check

Is your website down? Do a quick test from multiple locations worldwide with our free reachability checker. Just enter your URL and get instant results.

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Broken Link Checker

How many links does your website have? When was the last time you checked all of them? Find and fix broken links.

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Mixed Content Checker

Find insecure content on your website so you can fix the problem and protect the security and reputation of your website.

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Keep monitoring your websites and servers

Get alerted automatically

Our monitoring tool Semonto checks the validity of your SSL certificate 24/7 and alerts you when there is a problem. This gives you the opportunity to renew your HTTPS certificate well in advance and avoid embarrassing security warnings.

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More monitoring options

Semonto alerts you when something is wrong with your website, app or server so you can fix the issue before anyone notices. HTTPS monitoring is just one of the options. Discover the features that help you stay in control.

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