Simtk.org SimTK: Welcome
Server IP address resolved: Yes
Http response code: 200
Response time: 0.83 sec.
Last Checked: 08/14/2025
Simtk.org traffic volume is 555 unique daily visitors and their 4,165 pageviews. The web value rate of simtk.org is 78,110 USD. Each visitor makes around 8.03 page views on average.
By Alexa's traffic estimates simtk.org placed at 18,399 position over the world, while the largest amount of its visitors comes from China, where it takes 23,613 place.
Simtk.org is hosted by STANFORD - Stanford University, US in United States; however, we recommend migrating the server to China, as it will speed up simtk.org page load time for the majority of users. See the list of other web pages hosted by STANFORD - Stanford University, US.
Simtk.org registered under .ORG top-level domain. Check other websites in .ORG zone.
The last verification results, performed on (October 06, 2024) simtk.org show that simtk.org has an expired SSL certificate issued by Sectigo Limited (expired on June 12, 2025). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Sectigo Limited.
In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust simtk.org is pretty a safe domain.
Relying Google MobileFriendly test simtk.org is well optimized for mobile and tablet devices, however web page loading speed may be improved.
Audience Geography. Where are simtk.org visitors located?
| Country | Visitors |
|---|---|
 China CN | 65.6% |
| United States US | 6.1% |
| New Zealand NZ | 3.4% |
| Canada CA | 2.7% |
| Other | 22.1% |
| Country | Pageviews |
|---|---|
| China CN | 86.9% |
| Canada CA | 1.6% |
| New Zealand NZ | 1.4% |
| United States US | 1.1% |
| Other | 9% |
| Country | Rank |
|---|---|
| New Zealand NZ | 11858 |
| China CN | 23613 |
| Canada CA | 110585 |
| United States US | 464416 |
Where do visitors go on simtk.org?
| Subdomain | Pageviews |
|---|---|
| simtk.org | 100% |
| Subdomain | Pageviews per User |
|---|---|
| simtk.org | 9 |
| Subdomain | Reach |
|---|---|
| simtk.org | 100% |
How popular is simtk.org?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 158986 | -34512 |
| past month | 169473 | -20523 |
| past week | 426061 | 333292 |
| yesterday | 382258 | -763807 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 95052 | -71157 | 58 | 100% | 7.5 | 80% |
| 30 | 93521 | -46455 | 59 | 60% | 9 | 60% |
| 7 | 315671 | 266759 | 12 | -91.16% | 5 | -42.95% |
| 1 | 257894 | -387337 | 17 | 300% | 6 | -38.3% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 203562 | -16448 | 28 | 10% |
| 30 | 223607 | -5744 | 25 | 1% |
| 7 | 529095 | 403976 | 8 | -84.481% |
| 1 | 497539 | -816721 | 1 | 500% |
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates simtk.org for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses simtk.org for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze simtk.org for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the simtk.org. This reputation system receives ratings from users and information from third-party sources, assesses the simtk.org for safety features and confirms, whether simtk.org is suitable for children.
| Domain | simtk.org |
| Issuer Organization | Sectigo Limited |
| Issuer | Sectigo RSA Organization Validation Secure Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 05/12/2024 |
| Expiration | 06/12/2025 |
| Signed | Certificate is not self signed |
| Additional Domains | simtk.org www.simtk.org |
ASN ID: 32
ASN Title: STANFORD - Stanford University, US
Last Update: 07/14/2025
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 32
ASName: STANFORD
ASHandle: AS32
RegDate: 1984-09-23
Updated: 2008-10-13
Ref: https://rdap.arin.net/registry/autnum/32
OrgName: Stanford University
OrgId: STANFO
Address: 241 Panama Street
Address: Pine Hall, room 125
City: Stanford
StateProv: CA
PostalCode: 94305-4102
Country: US
RegDate:
Updated: 2017-07-24
Ref: https://rdap.arin.net/registry/entity/STANFO
OrgAbuseHandle: ABUSE4906-ARIN
OrgAbuseName: Abuse Reporting
OrgAbusePhone: +1-650-723-3352
OrgAbuseEmail: abuse@stanford.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE4906-ARIN
OrgTechHandle: TINGL2-ARIN
OrgTechName: Tingley, Stephen
OrgTechPhone: +1-650-725-3790
OrgTechEmail: tingley@stanford.edu
OrgTechRef: https://rdap.arin.net/registry/entity/TINGL2-ARIN
OrgTechHandle: RR959-ARIN
OrgTechName: Roberts, Rosalea
OrgTechPhone: +1-650-723-3352
OrgTechEmail: lea.roberts@stanford.edu
OrgTechRef: https://rdap.arin.net/registry/entity/RR959-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: simtk.org
Registry Domain ID: a906c0e147034e9abaeba431eb8493bd-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2024-10-18T17:40:16Z
Creation Date: 2004-12-10T02:31:50Z
Registry Expiry Date: 2027-12-10T02:31:50Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Stanford University
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: CA
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns1.simtk.org
Name Server: ns2.simtk.org
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-28T21:10:09Z
| Host | A Record | TTL |
|---|---|---|
| simtk.org | 171.64.65.11 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| simtk.org | mail.simtk.org | 1 | 300 |
| simtk.org | lists.simtk.org | 1 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| simtk.org | ns2.simtk.org | 300 |
| simtk.org | ns1.simtk.org | 300 |
| Host | TXT Record | TTL |
|---|---|---|
| simtk.org | v=spf1 ip4:171.64.65.11 ip4:171.67.219.64/27 ip4:171.67.224.0/28 ip4:171.67.43.137 ip4:171.67.43.138 ip4:171.67.43.139 ip4:171.67.43.140 ip4:171.67.43.141 | 780 |
ns1.simtk.org
TTL: 300
Email address: webmaster.simtk.org
Serial: 20130322
Refresh: 28800
Retry: 14400
Expire: 3600000
Minimum: 300
Last tested: 06/27/2019
| Total Resources | 48 |
| Number of Hosts | 2 |
| Static Resources | 41 |
| JavaScript Resources | 11 |
| CSS Resources | 3 |
Last tested: 09/13/2018
| Total Resources | 43 |
| Number of Hosts | 2 |
| Static Resources | 36 |
| JavaScript Resources | 11 |
| CSS Resources | 3 |
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