phet.colorado.edu

phet.colorado.edu
PhET: Free online physics, chemistry, biology, earth science and math simulations
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Last update: . phet.colorado.edu is a safe website about "PhET: Free online physics chemistry biology earth science and math simulations in University category. The server is running at 104.21.73.176 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. The similar & alternative web sites to phet.colorado.edu.

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⏰ Status: Phet colorado edu- is Down?

From the table below, you can track the service conditions that we have periodically check in relation to the interruptions.

DateServer StatusSpeed
2024-09-10 10:27:02 Online0.0156 Second
2024-09-09 16:26:02 Online0.0148 Second
2024-09-08 22:26:02 Online0.0332 Second
2024-09-08 04:27:04 Online0.0358 Second
2024-09-07 10:27:04 Online0.0387 Second
2024-09-06 16:28:02 Online0.0353 Second
2024-09-05 22:26:02 Online0.0353 Second
2024-09-05 04:27:03 Online0.0343 Second
2024-09-04 10:28:03 Online0.0146 Second
2024-09-03 16:29:03 Online0.0420 Second
2024-09-02 22:29:03 Online0.0156 Second
2024-09-02 03:09:03 Online0.0313 Second
2024-09-01 08:52:03 Online0.0313 Second
2024-08-31 14:52:03 Online0.0341 Second
2024-08-30 20:52:02 Online0.0136 Second
2024-08-30 02:52:03 Online0.0343 Second
2024-08-29 08:52:02 Online0.0329 Second
2024-08-28 14:53:03 Online0.0322 Second
2024-08-27 20:54:03 Online0.0157 Second
2024-08-27 02:54:03 Online0.0321 Second

Known Searchs

phet 71K
phet colorado 32K
phet simulations 14K
phet simulation 8K
phet interactive simulations 7K

☁ Content Metrics

  1. and 2%
  2. PhET 2%
  3. for 1%
  4. the 1%
  5. Activities 1%
  6. simulations 1%
  7. Norsk 1%
  8. Português 1%
  9. Español 1%
  10. Simulations 1%
  11. Math 1%
  12. Science 1%
  13. STEM 1%
  14. Sign 1%
  15. Register 1%
  16. are 1%
  17. Skip 1%
  18. Website 1%
  19. All 1%
  20. Sims 1%
  21. %

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

  • Google Sign-in
  • Analytics icon Cloudflare Browser Insights
  • Font Scripts icon Font Awesome
  • Analytics icon Google Analytics
  • Font Scripts icon Google Font API
  • Widgets icon Google Plus
  • Tag Managers icon Google Tag Manager
  • JavaScript Libraries icon jQuery

☂ Security Analytics

    ✇ DNS Records

    RecordTLLValue
    A300 172.67.191.20
    A300 104.21.73.176
    NS1714 a20-65.akam.net
    NS1714 a2-67.akam.net
    NS1714 a22-67.akam.net
    NS1714 a1-153.akam.net
    NS1714 a3-66.akam.net
    NS1714 a11-66.akam.net
    TXT3600 v=spf1 ip4:128.138.1.0/24 ip4:128.138.48.0/20 ip4:128.138.64.0/18 ip4:128.138.128.0/17 ip4:204.228.68.0/22 ip4:132.194.255.30 ip4:136.147.136.157 include:_spf1.colorado.edu include:_spf2.colorado.edu ~all
    TXT3600 docusign=dcb8d5d8-71e8-4884-8604-02297bea8072
    TXT3600 bMFGPNmrr7aoZsBWqexbujPiPjVzJe4wrZfl/t81eGptVxvkprdRSqKfj3paVrFcRhsrQHBlMGIR86eXUIYbCw==
    TXT3600 google-site-verification=iaVX54MaxYscXlrL-DxuE9qtvLhAXkXKhG8sjiH5q-0
    TXT3600 d365mktkey=CgcAzx2nkxamTBkNT7jagrT8Nadf6LPzlI0MLQHdKA0x
    TXT3600 d365mktkey=gzYMp5Xcnapx0VINCqRrvMtsD0TBSpLsrFjihN9HWQAx
    TXT3600 bw=E1ibKK7mvTTWmq1SV+b/usJyVdN63EU+WFJh+SCp+abE
    TXT3600 docusign=7412fd08-3676-471a-8b65-8cc2b13c8137
    TXT3600 atlassian-domain-verification=QAg9aEn1gpS7HapLhSZbdUei9wTKTCl8EKYsTFg5su7bO2Pu30QtUg9QsGZzz1Vw
    TXT3600 SFMC-Edx_vKBd3_uvjbyIp29FBfKHoTuPTIxj2eD_3VgQ
    TXT3600 MS=ms27269994
    MX459 colorado-edu.mail.protection.outlook.com
    SOA3600 a1-153.akam.net dnsadmin.colorado.edu
    AAAA2026 2a04:4e42:400::645
    AAAA2026 2a04:4e42:200::645
    AAAA2026 2a04:4e42::645
    AAAA2026 2a04:4e42:600::645

    ℹ Whois Records

    Domain Name: COLORADO.EDU Registrant: University of Colorado 3645 Marine Street 3645 Marine Street - 445 UCB Boulder, CO 80309-0455 USA Administrative Contact: Domain Admin University of Colorado 3645 Marine Street 3645 Marine Street - 445 UCB Boulder, CO 80309-0455 USA +1.3034922423 dnsadmin✉colorado.edu Technical Contact: Domain Admin University of Colorado 3645 Marine Street 3645 Marine Street - 445 UCB Boulder, CO 80309-0455 USA +1.3034922423 dnsadmin✉colorado.edu Name Servers: A3-66.AKAM.NET A20-65.AKAM.NET A1-153.AKAM.NET A2-67.AKAM.NET A22-67.AKAM.NET A11-66.AKAM.NET Domain record activated: 02-Jun-1986 Domain record last updated: 13-Sep-2023 Domain expires: 31-Jul-2024

    ☰ Http Headers

    date tue, 14 may 2024 19
    content-type text/html;charset=utf-8
    content-security-policy frame-ancestors 'self' openstax.org *.openstax.org
    x-frame-options sameorigin
    pragma public
    cache-control public, max-age=86400, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
    vary accept-encoding
    expires wed, 15 may 2024 05
    content-language en
    age 22478
    cf-cache-status hit
    last-modified tue, 14 may 2024 13
    server cloudflare
    cf-ray 883d63b46bbe5ad9-vie
    content-encoding gzip

    ✔ Indexing

    User-agent: * Disallow: /*/unsubscribe Disallow: /deploy-html-simulation Disallow: /services/metadata/ Disallow: /files/metadata/ Disallow: /*/services/metadata/documentation Disallow: /archive/

    ⚔ SSL Analytics

    SubjectC = US, ST = Colorado, O = University of Colorado at Boulder, CN = phet.colorado.edu
    IssuerC = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Organization Validation Secure Server CA
    Version2
    Serial Numbere0784da754570be998f0592d182a2b71
    Signature Algorithmsha256WithRSAEncryption
    Public Key AlgorithmrsaEncryption
    Authority Key Identifier17:D9:D6:25:27:67:F9:31:C2:49:43:D9:30:36:44:8C:6C:A9:4F:EB
    Subject Key Identifier76:09:0E:14:B9:15:BB:FF:02:9E:2D:28:82:52:CF:6D:8A:A8:DC:3F
    Key UsageDigital Signature, Key Encipherment
    Basic ConstraintsCA:FALSE
    Extended Key UsageTLS Web Server Authentication, TLS Web Client Authentication
    Certificate PoliciesPolicy: 1.3.6.1.4.1.6449.1.2.1.3.4 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.2
    CRL Distribution PointsFull Name: URI:http://crl.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crl
    Authority Information AccessCA Issuers - URI:http://crt.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crt OCSP - URI:http://ocsp.sectigo.com
    CT Precertificate SCTsSigned Certificate Timestamp: Version : v1 (0x0) Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9: 1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08 Timestamp : Apr 18 17:52:47.291 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5B:99:0C:EE:2F:BF:35:DF:F8:81:42:4C: D7:9C:1B:52:AE:93:F5:5A:79:46:91:72:DF:EC:5F:6B: 57:32:83:1A:02:20:36:A1:37:A1:36:05:E1:4A:26:12: C9:D4:F1:42:E3:07:F2:DB:8D:CC:82:ED:2C:22:13:44: E0:B3:3E:BB:8A:E9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53: D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7 Timestamp : Apr 18 17:52:47.262 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:60:5E:C7:82:B1:05:DF:E6:18:0D:E5:E3: 50:77:96:B2:16:11:97:27:7F:AF:A0:D9:59:C7:6C:8D: CB:B9:92:46:02:21:00:B0:B0:85:49:6F:6C:C1:5C:A6: C3:6C:B2:13:13:D8:BD:F0:89:42:4D:5C:2B:B1:A1:40: E6:66:06:FD:9B:FC:59 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB: 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF Timestamp : Apr 18 17:52:47.263 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:61:AD:07:A4:71:51:2E:30:C4:C4:F9:20: 7C:29:05:3D:FF:BB:7F:97:A5:DF:D1:74:E0:3A:FD:D3: 1A:8F:4E:48:02:20:60:8A:21:85:F3:1F:4C:53:ED:F3: 9F:25:CE:CD:78:38:F9:20:8A:5C:A3:0C:AF:93:DD:A8: A2:A2:59:9C:CD:15
    Subject Alternative NameDNS:phet.colorado.edu
    Start dateApr 18 00:00:00 2024 GMT
    Expire dateMay 19 23:59:59 2025 GMT
    RSA Public Key2048
    rsa(n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
    rsa(e)10001
    Signature63:8b:a1:c4:ab:e9:e1:d8:e0:48:dd:b8:7f:01:e0:29:e2:75:d4:e9:84:ab:f5:cb:d2:b6:f5:8c:6a:59:73:3b:a0:15:e3:b1:6f:a5:41:06:e5:ff:c7:65:d7:a8:06:63:65:b2:1f:b2:05:88:13:0d:56:b5:1a:3f:c9:39:1a:c0:f2:bd:a3:fc:8c:d3:5c:3a:8e:f2:07:12:e0:3b:d2:ac:a2:d7:5a:89:04:d3:8d:91:cf:b9:12:b2:c9:c2:ad:16:2d:72:f4:dd:5c:17:07:2c:f5:68:8b:c9:3e:d9:5f:16:25:1a:e7:a0:9b:7a:cc:5e:1d:e4:4a:3d:85:24:3e:ff:2e:32:14:04:0f:d1:59:fa:bf:10:dd:94:a0:0f:c3:b3:ad:b8:55:b8:c2:8d:3e:47:12:0b:6a:63:2f:76:39:78:9a:9d:11:05:7e:bc:0c:6c:fa:5f:e9:ec:99:58:51:f7:a7:a9:43:66:b4:a6:66:1f:5b:a5:40:d6:24:9f:1d:f6:15:9f:b6:d8:43:3a:d7:90:19:51:d3:f2:19:12:f7:f9:ac:b0:8b:f7:ae:f5:0f:4d:8f:27:7f:c6:7a:df:d2:35:fb:f6:ea:b6:a6:67:fe:90:ef:f3:22:d8:07:d5:99:68:4a:c6:1e:27:d5:80:04:8b:60:34:a5:86:67:5b:25:78:

    ⚔ Relationship Network Graph

    Here you can see the list of countries, links, IP addresses, domains and cookies that the website connects to or is somehow related to.

    Countries: US - DE
    Domains: phet.colorado.edu - fonts.gstatic.com - phet-direct.colorado.edu - region1.google-analytics.com - www.googletagmanager.com - fonts.googleapis.com - static.cloudflareinsights.com - apis.google.com
    IP Adresses: 128.138.129.34 - 172.217.16.195 - 2001:4860:4802:32::36 - 2a00:1450:4001:806::2003 - 2a00:1450:4001:813::2008 - 2606:4700::6810:4f49 - 2a00:1450:4001:812::200a - 2a00:1450:4001:82a::200e - 2606:4700:3034::ac43:bf14
    Link Outs: www.colorado.edu - www.moore.org - www.facebook.com - twitter.com - www.linkedin.com - www.instagram.com - www.youtube.com - apps.apple.com - play.google.com - www.nsf.gov - www.hewlett.org - yidanprize.org - mastercardfdn.org
    Coookies: .colorado.edu - _ga - GA1.1.843647216.1712394252

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