Si.edu Smithsonian Institution | Home
Official website of the Smithsonian, the world's largest museum and research complex, with 21 museums, 9 research centers, and affiliates around the w...
Server IP address resolved: Yes
Http response code: 200
Response time: 0.50 sec.
Last Checked: 01/23/2025
Si.edu attracts 35,589 unique visitors daily, generating 81,855 pageviews. The estimated value of si.edu is 1,082,605 USD. Each visitor views approximately 2.46 pages on average.
According to Majestic's traffic estimates, si.edu ranks 405 globally, with the majority of its visitors coming from United States, where it holds the 2,487 position.
It is beneficial for si.edu that their data center (provided by SMITHSONIAN - Smithsonian Institution, US) is located in United States, as this helps reduce page load time for most visitors.
See the list of other websites hosted by SMITHSONIAN - Smithsonian Institution, US.
Si.edu is registered with the .EDU top-level domain. Explore additional websites within the .EDU zone.
The last inspection on (October 13, 2024), confirms that si.edu holds a valid and current wildcard SSL certificate issued by Internet2 expiring on September 07, 2025. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Internet2.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust si.edu appears to be a safe domain.
Based on Google's Mobile-Friendly test, si.edu is optimized for mobile and tablet devices.
Audience Geography. Where are si.edu visitors located?
| Country | Visitors |
|---|---|
 United States US | 55% |
| China CN | 6.8% |
| India IN | 4.8% |
| United Kingdom GB | 2.7% |
| Australia AU | 2.2% |
| Canada CA | 2% |
| Korea KR | 1.6% |
| Germany DE | 1.5% |
| Philippines PH | 1.3% |
| Other | 21.9% |
| Country | Pageviews |
|---|---|
| United States US | 61.4% |
| China CN | 9.1% |
| India IN | 3.6% |
| Australia AU | 2% |
| Canada CA | 1.7% |
| United Kingdom GB | 1.6% |
| Spain ES | 1.6% |
| Japan JP | 1.1% |
| Panama PA | 1% |
| Other | 16.7% |
| Country | Rank |
|---|---|
| Panama PA | 906 |
| United States US | 2487 |
| Philippines PH | 2742 |
| Australia AU | 4481 |
| Nigeria NG | 5823 |
| South Africa ZA | 6427 |
| Canada CA | 6715 |
| Mexico MX | 8904 |
| United Kingdom GB | 9710 |
| India IN | 9809 |
| Korea KR | 10033 |
| Spain ES | 10284 |
Where do visitors go on si.edu?
| Subdomain | Pageviews |
|---|---|
| airandspace.si.edu | 12.16% |
| si.edu | 8.48% |
| americanhistory.si.edu | 7.11% |
| nationalzoo.si.edu | 5.56% |
| freersackler.si.edu | 5.48% |
| humanorigins.si.edu | 3.75% |
| americanart.si.edu | 3.56% |
| nmaahc.si.edu | 3.48% |
| nmai.si.edu | 3.31% |
| other | 47.12% |
| Subdomain | Pageviews per User |
|---|---|
| jira.si.edu | 9 |
| invasions.si.edu | 6.4 |
| si-erptl.si.edu | 6 |
| transcription.si.edu | 6 |
| collections.si.edu | 5.7 |
| mineralsciences.si.edu | 5 |
| asia.si.edu | 4.1 |
| saamnpgstore.si.edu | 4 |
| freersackler.si.edu | 3.6 |
| amhistory.si.edu | 3.3 |
| other | 1.69 |
| Subdomain | Reach |
|---|---|
| airandspace.si.edu | 11.66% |
| si.edu | 11.45% |
| americanhistory.si.edu | 8.86% |
| nationalzoo.si.edu | 7.02% |
| americanart.si.edu | 4.86% |
| humanorigins.si.edu | 4.63% |
| nmaahc.si.edu | 4.57% |
| ocean.si.edu | 3.71% |
| freersackler.si.edu | 3.58% |
| nmai.si.edu | 3.55% |
| other | 45.96% |
How popular is si.edu?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 8934 | 1835 |
| past month | 8742 | -67 |
| past week | 8596 | -337 |
| yesterday | 11016 | 1785 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 12063 | 2246 | 617 | -21.7% | 2.3 | 3% |
| 30 | 11803 | -103 | 631 | -0.2% | 2.32 | 0% |
| 7 | 12108 | 345 | 62 | -5.137% | 2.2 | -11.02% |
| 1 | 17861 | 3984 | 43 | -26.28% | 1.8 | -14.56% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 8428 | 1814 | 998 | -24.04% |
| 30 | 8281 | -71 | 100 | -0.26% |
| 7 | 7936 | -608 | 100 | 7% |
| 1 | 9605 | 1202 | 85 | -13.67% |
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 si.edu 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 si.edu 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 si.edu for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the si.edu. This reputation system receives ratings from users and information from third-party sources, assesses the si.edu for safety features and confirms, whether si.edu is suitable for children.
| Domain | *.si.edu |
| Issuer Organization | Internet2 |
| Issuer | InCommon RSA Server CA 2 |
| Algorithm | RSA-SHA384 |
| Valid form | 08/07/2024 |
| Expiration | 09/07/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.si.edu si.edu |
ASN ID: 25829
ASN Title: SMITHSONIAN - Smithsonian Institution, US
Last Update: 07/15/2024
#
# 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: 25829
ASName: SMITHSONIAN
ASHandle: AS25829
RegDate: 2002-05-15
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/25829
OrgName: Smithsonian Institution
OrgId: SMITHS-1
Address: 600 Maryland Ave SW
Address: Suite 4040
City: Washington
StateProv: DC
PostalCode: 20024
Country: US
RegDate: 1992-05-27
Updated: 2014-01-02
Comment: NOC hours are 24/7 - all days except Dec 25th.
Ref: https://rdap.arin.net/registry/entity/SMITHS-1
OrgAbuseHandle: ABUSE3330-ARIN
OrgAbuseName: Abuse-POC
OrgAbusePhone: +1-202-633-0611
OrgAbuseEmail: hargism@si.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3330-ARIN
OrgAbuseHandle: ARINA71-ARIN
OrgAbuseName: ARIN-Abuse
OrgAbusePhone: +1-202-633-4100
OrgAbuseEmail: arin-abuse@si.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/ARINA71-ARIN
OrgNOCHandle: ARINN5-ARIN
OrgNOCName: ARIN-NOC
OrgNOCPhone: +1-202-633-4100
OrgNOCEmail: ocio-noc@si.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/ARINN5-ARIN
OrgTechHandle: TECHN1091-ARIN
OrgTechName: Technical POC
OrgTechPhone: +1-202-633-2715
OrgTechEmail: johnstonjj@si.edu
OrgTechRef: https://rdap.arin.net/registry/entity/TECHN1091-ARIN
OrgTechHandle: TNN2-ARIN
OrgTechName: Nguyen, Tran Ngoc
OrgTechPhone: +1-202-312-2881
OrgTechEmail: nguyent@si.edu
OrgTechRef: https://rdap.arin.net/registry/entity/TNN2-ARIN
RTechHandle: HUSSE3-ARIN
RTechName: Hussey, Chris
RTechPhone: +1-202-633-5075
RTechEmail: husseyc@si.edu
RTechRef: https://rdap.arin.net/registry/entity/HUSSE3-ARIN
RNOCHandle: ARINN5-ARIN
RNOCName: ARIN-NOC
RNOCPhone: +1-202-633-4100
RNOCEmail: ocio-noc@si.edu
RNOCRef: https://rdap.arin.net/registry/entity/ARINN5-ARIN
RAbuseHandle: ABUSE3330-ARIN
RAbuseName: Abuse-POC
RAbusePhone: +1-202-633-0611
RAbuseEmail: hargism@si.edu
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3330-ARIN
RAbuseHandle: ARINA71-ARIN
RAbuseName: ARIN-Abuse
RAbusePhone: +1-202-633-4100
RAbuseEmail: arin-abuse@si.edu
RAbuseRef: https://rdap.arin.net/registry/entity/ARINA71-ARIN
RTechHandle: TECHN1091-ARIN
RTechName: Technical POC
RTechPhone: +1-202-633-2715
RTechEmail: johnstonjj@si.edu
RTechRef: https://rdap.arin.net/registry/entity/TECHN1091-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.
#
This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: SI.EDU
Registrant:
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
USA
Administrative Contact:
Brian Alpert
Smithsonian Institution
380 Herndon Parkway, MRC 1010
Herndon, VA 20170
USA
+1.2026333955
alpertb@si.edu
Technical Contact:
Joseph Johnston
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
USA
+1.2026332715
johnstonj@si.edu
Name Servers:
A1-88.AKAM.NET
A24-67.AKAM.NET
A28-65.AKAM.NET
A9-64.AKAM.NET
A11-67.AKAM.NET
A26-66.AKAM.NET
Domain record activated: 19-Jun-1992
Domain record last updated: 10-Jul-2024
Domain expires: 31-Jul-2027
| Host | A Record | TTL |
|---|---|---|
| si.edu | 160.111.244.22 | 86400 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| si.edu | si-edu.mail.protection.outlook.com | 0 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| si.edu | SI-NAMES1.si.edu | 86400 |
| si.edu | SI-NAMES2.si.edu | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| si.edu | v=spf1 ip4:160.111.0.0/16 ip4:67.231.156.100 ip4:67.231.148.101 include:spf1.si.edu include:spf.protection.outlook.com include:spf2-clientfeedbacktool.si.edu include:mailsenders.netsuite.com -all | 3600 |
| si.edu | v=spf2.0/pra ?all | 3600 |
| si.edu | MS=ms11507808 | 3600 |
| si.edu | adobe-idp-site-verification=ebf44aa1f4d5c71b36a262511b68415832b6f2ad1b7411c528806154df4cc7a6 | 3600 |
| si.edu | D9Pafp4mPMV7Vt+wH+GSYi35FnsBm9zZQA6TLxStwyHV3JFiCPPQGVSJM7UzuvWz/KrphLEsXbc/bs5vKq+iHQ== | 3600 |
| si.edu | google-site-verification=9-OyClmReEWU6t3ri7R65zaHcE5ONk80xgeIHMjgg08 | 3600 |
si-names1.si.edu
TTL: 3600
Email address: ocio-noc.si.edu
Serial: 574520334
Refresh: 1200
Retry: 180
Expire: 1209600
Minimum: 1800
Last tested: 05/24/2017
| Total Resources | 58 |
| Number of Hosts | 8 |
| Static Resources | 42 |
| JavaScript Resources | 12 |
| CSS Resources | 7 |
Last tested: 05/24/2017
| Total Resources | 57 |
| Number of Hosts | 9 |
| Static Resources | 42 |
| JavaScript Resources | 12 |
| CSS Resources | 6 |
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