Check your website health
Free tools: SSL certificate, availability, speed. No sign-up, results in seconds.
Full Website Check
SSL, uptime and speed in one run, with an overall site health score.
Check now βSSL Check
When your certificate expires, who issued it and whether browsers trust it.
Check now βUptime Check
Is the site up right now, what status code it returns and how fast it connects.
Check now βSpeed Test
Server response time, page size, compression and tips on what to improve.
Check now βRedirect Checker
The full redirect chain: status codes, loops, HTTPS loss, extra hops.
Check now βMixed content
Resources loaded over http on an HTTPS page. The cause of a broken padlock.
Check now βDNS Check
All DNS records of a domain: A, MX, NS, TXT and more, in one query.
Check now βEmail Check
SPF, DKIM and DMARC: why emails from your domain end up in spam.
Check now βSecurity Headers
Site protection grade from A+ to F: HSTS, CSP and other security headers.
Check now βBlacklist Check
Is your website IP listed in DNSBL spam blacklists?
Check now βDomain Whois
When the domain was registered, when it expires and who the registrar is.
Check now βWho is hosting
Hosting provider, data center, the site's DNS and mail, CDN presence.
Check now βCMS Detector
What the website is built with: WordPress, Joomla, Tilda or something else.
Check now βOpen Graph & preview
How your link looks on Facebook and Telegram, and which meta tags are missing.
Check now βrobots.txt & sitemap
Is the site blocked from Google, is a sitemap listed, is robots.txt valid.
Check now βMy IP
Your IP address, your provider and what your browser says about itself.
Check now βπ Website error guide β π Web glossary β π οΈ Step-by-step guides β
π€ Check websites right in Telegram
Our bot checks SSL, availability and hosting in seconds. Just send it a website address.