Is down - March, 2023?

National Institutes of Health Outages and Status
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The National Institutes of Health (NIH) is the premier biomedical research center in the United States. It is a part of the U.S. Department of Health and Human Services and comprises 27 different institutes and centers that conduct a wide range of biomedical research. The NIH is the world’s largest source of funding for medical research and its mission is to uncover new knowledge that will lead to better health for everyone.

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Last Down:

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Response Time:

326 ms. outages reported by users in the last 24 hours

No National Institutes of Health problems reported in the last 24 hours

This chart shows the number of National Institutes of Health outages/problems reported by users in the past 24 hours. All data in the chart is in the UTC time zone.

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Date and Time

Response Time

Status Code

29 Mar 2023 - 08:25

326 ms.


25 Mar 2023 - 19:53

328 ms.


25 Mar 2023 - 16:06

262 ms.


25 Mar 2023 - 01:37

591 ms.


21 Mar 2023 - 00:44

392 ms.


13 Mar 2023 - 08:21

329 ms.


12 Mar 2023 - 22:54

291 ms.


This table shows the outage requests and response browser checks executed automatically by the service. All data in the table is in the UTC time zone. If National Institutes of Health is down or slow for you. You can try using a VPN service(to try from a different location) and also check the Tips below

Tips if is not working

  • Your Device - Try to access the website/service from a different device or network. It's recommended to try restarting your device (computer, phone, or tablet).

  • Browser Cache - Clear browser cache by refreshing the page. That can be done by pressing Ctrl + F5 (PC) or Cmd + Shift and then press R (Mac).

  • Browser Cookies - Clear temporary/recent cookies.

  • Incognito Mode - try to view the webpage in private/incognito mode. All temporary cache and cookies will be automatically disabled.

  • Restart your router - if other websites or apps are showing issues or are slow, try restarting your router.

  • Blocked Access - in some instances the resource you are trying to access might be blocked by your ISP provider. In this case, try accessing the webpage from a different IP address by using a VPN service.

  • Firewall and Antivirus - sometimes Firewall and Antivirus software might block access to specific websites or services. You can temporarily disable them to check if that solves the problem.

  • DNS Cache - Clear your DNS cache (Google for how-to instructions). All OS systems (Mac, Windows, Linux) save name resolution information into the DNS cache to speed things up. The data stored might be too old or invalid.

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Frequently Asked Questions

We have recently sent browser requests to and it's up and running with status code 200 (UP) and a response time of 326 ms. We recommend clearing your cache or restarting/updating your app.

The most likely reason why National Institutes of Health is slow for you might be your Internet connection. If you are 100% sure it is not the internet speed, here are a few things to look at clearing your cache, app update, and possible outage on National Institutes of Health's end.

HTTP response status codes are a way for the server to communicate with the client's browser about how the request was processed. These three-digit codes provide a concise and quick way to understand the server's response.
  • 2XX - Success (The website is up and running and reachable)

  • 3XX – Redirect (The webpage is reachable, but redirects your browser to a different webpage)

  • 4XX – Browser Error (The webpage does not exist)

  • 5XX – Server Error (The server has internal errors)

Server response time is used to measure a website's performance. It measures how long it takes for a browser to receive data back from the server after a successful request.

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