Is It Down
Status
The HTTP status code and what it means, from our server in Europe.
Speed
Time to first byte and total time for the page.
Redirects
Where the address ends up, and whether HTTPS is enforced.
What to do with it
- 200 is up. 5xx is the server failing. 4xx is the page missing or blocked. No answer at all is DNS or the host.
- Over two seconds to first byte is slow hosting, not a slow page.
- If it is up here and down for you, it is your network or DNS cache.
When one page is not enough
These tools check one thing at a time. The free SEO audit crawls a whole site and emails a report with the findings in priority order, and the paid plans turn that report into a proposal with the money at stake.
Usually run next
Paste an address. Every redirect with its status code, target and time, and a verdict on the chain.
Open the tool Domain and server toolsSSL CheckerEnter a domain. Issuer, expiry, days left, covered names, protocol and cipher, trust of the chain and hostname match.
Open the tool Domain and server toolsDNS LookupEnter a domain. Address, mail, nameserver, text, alias, authority and certificate records, with the email security re...
Open the tool Website checksWebsite Speed TestPaste a page address. Mobile and desktop scores, Core Web Vitals, and the fixes that save the most loading time.
Open the toolAbout the is it down
Where is the check made from?
From our server in Europe, once. A site can be up here and blocked in another country.
Why does it say up when I cannot open it?
Your network, your DNS cache or a regional block. Try another network or flush your DNS.
How often can I check?
Thirty times a day per visitor; the same address is re-checked after five minutes.