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National Institutes of Health (NIH) appears operational right now.
Our latest check was less than a minute ago with a response time of 766ms.
About nih.gov
National Institutes of Health (NIH) is up and running.
Responding normally with HTTP 200 in 766ms.
National Institutes of Health (NIH) is reachable from our latest automated check, so the service does not currently look broadly down.
The latest check for nih.gov ran less than a minute ago and returned HTTP 200 with a 766ms response time. We also have 33 recent automated probes for this government & public services service.
No visitor reports have been submitted yet, so the page currently relies mostly on automated checks for nih.gov.
Need help interpreting the results? Read how to tell if a website is down.
Community Reports
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33 recent automated checks, average latency 847ms.
FAQ about nih.gov
Why National Institutes of Health (NIH) may not be working
- •Temporary server outage or maintenance.
- •DNS problems or recent DNS changes.
- •ISP or routing issues between you and the service.
- •VPN, firewall, or ad blocker interference.
- •Corrupted browser cache or cookies.
- •Regional blocking or CDN issues.
- •High load causing slow or unstable responses.
Check the status and uptime history above to see whether the issue looks widespread.
Can’t access National Institutes of Health (NIH)?
If our check says the site is online but it still does not load for you, these quick steps can help identify whether the issue is local, network-related, or wider.
Refresh and retry
Force refresh the page with Ctrl/Cmd + F5, then try opening the site again in a new tab.
Check another connection
Try mobile data instead of Wi‑Fi, or test from another device to see if the issue is local.
Clear browser data
Clear cache and cookies for the site, or test in a private/incognito window.
Review DNS settings
Flush your DNS cache or try a public DNS provider such as Google, Cloudflare, or OpenDNS.
Disable blockers briefly
Temporarily turn off VPN, proxy, firewall, ad blocker, or security extensions and test again.
Look for a wider outage
If multiple users report trouble, the problem may be regional, ISP-related, or affecting the service itself.