nei.nih.gov
National Eye Institute | National Eye Institute
Last update: . nei.nih.gov is a safe website about "National Eye Institute National Eye Institute in Government category. The server is running at 13.107.246.60 ip address and there is a secure connection certificate between the website and the visitor. When we did a security search, no viruses or spam were detected on web page.
- Daily Visitor
42.1K - Daily Revenue
$189 - Monthly Visitor
1.3M - Monthly Revenue
$5.7K
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⏰ Status: Nei nih gov- is Down?
From the table below, you can track the service conditions that we have periodically check in relation to the interruptions.
| Date | Server Status | Speed |
|---|---|---|
| 2025-07-28 18:40:02 | Online | 0.2552 Second |
| 2025-07-28 00:40:03 | Online | 0.2349 Second |
| 2025-07-27 06:41:03 | Online | 0.0282 Second |
| 2025-07-26 12:42:03 | Online | 0.2515 Second |
| 2025-07-25 18:42:03 | Online | 0.0266 Second |
| 2025-07-25 00:42:03 | Online | 0.1373 Second |
| 2025-07-24 06:41:02 | Online | 0.0311 Second |
| 2025-07-23 11:45:03 | Online | 0.1287 Second |
| 2025-07-22 17:46:03 | Online | 0.0295 Second |
| 2025-07-21 22:58:03 | Online | 0.0298 Second |
| 2025-07-21 04:59:03 | Online | 0.0292 Second |
| 2025-07-20 10:59:03 | Online | 0.0281 Second |
| 2025-07-19 17:00:03 | Online | 0.2340 Second |
| 2025-07-18 23:00:03 | Online | 0.0270 Second |
| 2025-07-18 05:01:04 | Online | 0.0291 Second |
| 2025-07-17 11:01:03 | Online | 0.1356 Second |
| 2025-07-16 17:02:03 | Online | 0.0107 Second |
| 2025-07-15 23:02:04 | Online | 0.0300 Second |
| 2025-07-15 04:53:03 | Online | 0.0292 Second |
| 2025-07-14 10:48:03 | Online | 0.2361 Second |
Known Searchs
glaucoma 3Kdiabetic retinopathy 1.9K
retinitis pigmentosa 1.6K
uveitis 1.5K
national eye institute 1.2K
☁ Content Metrics
- neı 4%
- and 4%
- eye 4%
- research 3%
- health 3%
- vision 2%
- the 2%
- national 1%
- about 1%
- for 1%
- ınstitute 1%
- training 1%
- funding 1%
- nıh 1%
- learn 1%
- news 1%
- more 1%
- your 1%
- opportunities 1%
- get 1%
- %
Website raw text content tells search engines what your web page content is about. The word usage rate is very important and the frequency of words used above 4% is perceived as spam.
☯ Technology Analysis
Crazy Egg
Google Analytics
Google Tag Manager
✇ DNS Records
| Host | Type | TTL | Value |
|---|---|---|---|
| nei.nih.gov | SOA | 21600 | Mname: nihblox5.nih.gov Rname: hostmaster.nih.gov Serial: 87932 Refresh: 10800 Retry: 1080 Expire: 2592000 Minimum ttl: 900 |
| nei.nih.gov | A | 21600 | IP: 40.70.147.7 |
| nei.nih.gov | MX | 3600 | Target: nihcesxwayst05.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxwayst04.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxwayst03.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxway5.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxway4.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxway3.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxway6.hub.nih.gov Priority: 10 |
| nei.nih.gov | MX | 3600 | Target: nihcesxwayst06.hub.nih.gov Priority: 10 |
| nei.nih.gov | NS | 21600 | Target: ns.nih.gov |
| nei.nih.gov | NS | 21600 | Target: ns2.nih.gov |
| nei.nih.gov | NS | 21600 | Target: ns3.nih.gov |
| nei.nih.gov | TXT | 21600 | TXT: v=spf1 include:nih.gov include:mail.nih.gov ~all |
| nei.nih.gov | TXT | 21600 | TXT: 5EB5281E3A40BE11EFEC2975940702147B8C0324190659D0338A6372349A23E1 |
ℹ Whois Records
Domain Name: nih.gov
Registrar WHOIS Server: whois.cloudflareregistry.com
Registrar URL: https://get.gov
Updated Date: 2024-03-19T15:16:17Z
Creation Date: 1997-10-02T01:29:27Z
Registry Expiry Date: 2025-09-21T18:42:04Z
Registrar: Cybersecurity and Infrastructure Security Agency
Registrar IANA ID: 8888888
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Security Email: ResponsibleDisclosure✉hhs.gov
Name Server: ns.nih.gov
Name Server: ns2.nih.gov
Name Server: ns3.nih.gov
DNSSEC: signedDelegation
>>> Last update of WHOIS database: 2024-05-15T12:00:59Z <<<
☰ Http Headers
| date | wed, 15 may 2024 12 |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=86400, public |
| content-encoding | gzip |
| content-language | en |
| etag | "1715734747-gzip" |
| expires | sun, 19 nov 1978 05 |
| last-modified | wed, 15 may 2024 00 |
| vary | cookie,accept-encoding |
| x-content-type-options | nosniff |
| x-powered-by | php/8.1.28 |
| x-drupal-dynamic-cache | hit |
| x-frame-options | sameorigin |
| x-generator | drupal 10 (https |
| content-security-policy | report-uri /report-csp-violation |
| referrer-policy | same-origin |
| x-drupal-cache | hit |
| x-azure-ref | 20240515t120058z-1864c7bf7c54f2drn2f2pmxv9w0000000b1g000000003vuh |
| strict-transport-security | max-age=63072000; includesubdomains; preload |
| x-cache | config_nocache |
✔ Indexing
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used: http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html
User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
All
⚔ SSL Analytics
| Subject | C = US, ST = Washington, L = Redmond, O = Microsoft Corporation, CN = www.nei.nih.gov |
|---|---|
| Issuer | C = US, O = DigiCert Inc, CN = DigiCert TLS RSA SHA256 2020 CA1 |
| Version | 2 |
| Serial Number | 09fcb7b798bea585b10e32e5e9143350 |
| Signature Algorithm | sha256WithRSAEncryption |
| Public Key Algorithm | rsaEncryption |
| Authority Key Identifier | B7:6B:A2:EA:A8:AA:84:8C:79:EA:B4:DA:0F:98:B2:C5:95:76:B9:F4 |
| Subject Key Identifier | EC:D7:23:70:4E:C0:62:53:81:47:67:07:74:54:D2:BA:B8:13:11:97 |
| Subject Alternative Name | DNS:www.nei.nih.gov |
| Certificate Policies | Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS |
| Key Usage | Digital Signature, Key Encipherment |
| Extended Key Usage | TLS Web Server Authentication, TLS Web Client Authentication |
| CRL Distribution Points | Full Name: URI:http://crl3.digicert.com/DigiCertTLSRSASHA2562020CA1-4.crl Full Name: URI:http://crl4.digicert.com/DigiCertTLSRSASHA2562020CA1-4.crl |
| Authority Information Access | OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertTLSRSASHA2562020CA1-1.crt |
| Basic Constraints | CA:FALSE |
| CT Precertificate SCTs | Signed Certificate Timestamp: Version : v1 (0x0) Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2: 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B Timestamp : Dec 7 16:56:40.531 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0A:39:23:2B:C3:C5:71:B9:CC:56:FB:01: 69:9E:1F:4F:C7:4C:E3:B0:38:04:B5:47:5F:27:FB:DF: EA:79:45:F5:02:20:78:AE:BA:98:FD:44:03:51:30:33: D7:0D:A7:25:3C:C9:8E:6F:57:04:66:71:C5:59:60:A6: 94:3F:61:88:E6:B7 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB: 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73 Timestamp : Dec 7 16:56:40.484 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1B:2A:AC:84:03:AF:A9:05:2D:36:C0:CF: 1C:B3:5A:87:67:0D:FF:79:FD:70:B1:B3:39:41:A0:01: 76:F9:DA:85:02:21:00:DF:86:CD:9B:70:A1:94:81:48: 5B:3E:DB:7A:3D:5E:60:B6:21:61:34:83:30:32:ED:B4: 93:D8:44:2F:FA:E3:A8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70: 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB Timestamp : Dec 7 16:56:40.512 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D9:19:A7:67:63:B3:40:98:71:B5:2E: 5A:17:9B:C8:82:3B:1D:32:D9:5C:68:D7:EC:B7:21:A5: B0:C7:C6:FF:B9:02:21:00:A7:29:BC:D6:82:D4:CE:DE: 2F:8F:C1:8F:F9:76:27:FB:D6:0D:3D:6F:CE:0A:41:10: 6B:2B:7E:5B:80:A4:39:66 |
| Start date | Dec 7 00:00:00 2023 GMT |
| Expire date | Dec 7 23:59:59 2024 GMT |
| RSA Public Key | 2048 |
| rsa(n) |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|
| rsa(e) | 10001 |
| Signature | 20:47:ab:dc:80:c8:e0:41:00:1a:d6:58:ef:36:1b:fa:fc:3e:46:b5:e6:04:73:5c:fc:24:2a:30:cd:53:53:29:cb:12:40:5c:7e:28:c8:fa:d7:87:8a:77:6d:64:64:67:5b:ae:01:82:26:92:cf:20:7c:2e:c5:7c:43:21:61:87:e1:1e:47:9a:b8:02:e2:8a:d8:bb:dd:23:69:4f:72:77:9c:e1:4b:e3:bc:d4:e6:6e:4f:af:1a:4a:5d:f4:51:2c:dd:97:36:a8:e0:04:eb:3d:f2:a5:0b:46:47:db:d7:f5:eb:78:73:2b:7e:97:56:b2:9c:2f:60:04:60:00:ce:00:28:76:f6:74:f4:2f:d8:70:5e:28:ff:fd:fb:c4:47:b5:2a:01:be:07:22:5c:ad:e1:4c:e6:fc:ed:63:3a:f4:cf:82:7d:fe:90:f1:e3:4d:25:13:85:97:8e:ff:4a:1d:ec:2a:ae:e2:6f:6f:a4:ee:26:9d:c4:44:c9:8a:b4:6a:02:14:ae:2c:5b:f3:cd:3b:9f:21:6c:b6:8b:63:38:a6:be:bd:08:ec:e8:fe:d3:e2:88:a3:ab:d8:a2:0f:03:d2:47:90:08:cf:0c:9f:ea:3f:a2:cc:7e:81:67:97:28:a6:07:7d:5a:25:45:a8:d3:91:07:f5:38:02:de:ff:fc:d3:56: |