Si.edu Site Information
Si.edu is 29 years and 11 months old. It is the ๐7,270th most visited website in the world and the 1,758th most visited website in the United States. It has a medium pagerank of 5.4, which means that the website has a decent amount of backlinks.
Requests are handled by the BigIP web server, which is hosted by Smithsonian Institution, located in the United States and associated with IP address 160.111.244.48.
The domain will expire in 2 years and 2 months.
Page information
Title | |
---|---|
Description | Official website of the Smithsonian, the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world. |
Word cloud The most used words on the page presented in the form of word cloud, where the most important words are bigger than the others. | |
Language Language as it's specified in the document. | English |
Size The size of the uncompressed web page. | 86.5 KB (88,625 bytes) |
Text to Code ratio The Text to Code ratio refers to the amount of plain text on a web page compared to the amount of HTML code on that page. You can preview the plain text in Keyword Density Analyzer. | 12.68% |
Website information
Owned by | Smithsonian Institution, 380 Herndon Parkway, Herndon, VA 20170, USA |
---|---|
Hosted by | Smithsonian Institution |
Server location | United States |
Registration date The registration date of the second-level domain. | 19 Jun 1992 (29 years and 11 months ago) |
Expiration date The expiration date of the second-level domain. | 31 Jul 2024 (in 2 years and 2 months) |
First archive date The first date when the Web Archive recorded a copy of the site. | 2 May 1997 (25 years ago) |
Site category | Art/Culture/Heritage, Education/Reference |
Technologies
CMS | Drupal 7 |
---|---|
Apps | Progressive Web App |
JavaScript libraries | jQuery 3.1 |
Load balancers | F5 BIG-IP |
Programming languages | PHP |
Semantic markup | ARIA, |
Social networks | Facebook, Instagram, Twitter (1, 2) |
Standards and protocols | Open Graph, Twitter Cards |
UI frameworks | Bootstrap |
Video hosting | YouTube |
Visitor tracking | ![]() |
Rankings
Domain
si.edu
Alexa Rank
Alexa traffic rank is based on three months of aggregated historical traffic data from millions of users and is a combined measure of page views and users (reach).
Data updated: 19 May 2022.
- Subdomains are not measured.
- Rank value is a position in the rating, so the lower value the better.
Data updated: 19 May 2022.
7,270
(-285 since 5 May 2022)

Open PageRank
Open PageRank is a free Google PageRank replacement based on the Open Source data consisting of about 3 billion web pages.
Good measurement of the website strength or for estimating SEO results.
Data source: DomCop.
Data updated: 19 Mar 2022.
Good measurement of the website strength or for estimating SEO results.
Data source: DomCop.
Data updated: 19 Mar 2022.
5.37 
(-0.19 since 12 Oct 2021)



Majestic rank
Majestic rank is a website position in a Majestic Million, a list of domains, ordered by the number of referring subnets. The lower the better.
Data source: Majestic.
Data updated: 1 May 2022.
Data source: Majestic.
Data updated: 1 May 2022.
Rank among .edu
Rank among TLD is a website position in a list of domains in the same top level domain zone, ordered by the number of referring subnets.
Data source: Majestic.
Data updated: 1 May 2022.
Data source: Majestic.
Data updated: 1 May 2022.
22 (no change since 1 Apr 2022)
Domain Authority
Domain Authority (DA) is a search engine ranking score developed by Moz and calculated by evaluating multiple factors, including linking root domains and number of total links, that predicts how well a website will rank on search engine result pages (SERPs). Ranges from 1 to 100, with higher score corresponding to a greater ability to rank. The scale is logarithmic, which means that it's significantly easier to grow your score from 20 to 30 than from 70 to 80
Data source: Moz.
Data updated: 2 Apr 2022.
Data source: Moz.
Data updated: 2 Apr 2022.
92 (no change since 2 Feb 2022)
MOZ rank
MOZ Rank is a website position in top sites list, ordered by domain authority.
Data source: Moz.
Data updated: 2 Apr 2022.
Data source: Moz.
Data updated: 2 Apr 2022.
469
(+65 since 2 Feb 2022)

Umbrella rank
Umbrella rank is a domain position in Cisco Umbrella 1 Million, a list of the top 1 million most popular domains, based on the number of unique client IPs visiting this domain, relative to the sum of all requests to all domains. The ranking reflects the popularity of internet activity over any port or protocol from any application and not just web activity over port 80 from browsers.
Data source: Cisco Umbrella.
Data updated: 1 May 2022.
Data source: Cisco Umbrella.
Data updated: 1 May 2022.
39,018
(+7,374 since 1 Apr 2022)

Quantcast rank
Quantcast Rank estimates the traffic volume of a particular website or domain, based on the number of visitors from the United States.
Data source: Quantcast.
Data updated: 1 Apr 2020.
Data source: Quantcast.
Data updated: 1 Apr 2020.
1,810 (no change since 1 Mar 2020)
Historical PageRank
Historical value of Google PageRank, a patented method for measuring page importance on a scale from 0 - 10, where 10 is the highest. Used internally by Google, was displayed in Google Toolbar until March 2016.
8 
(cached on 27 Jan 2010)


Domain
www.si.edu
Umbrella rank
Umbrella rank is a domain position in Cisco Umbrella 1 Million, a list of the top 1 million most popular domains, based on the number of unique client IPs visiting this domain, relative to the sum of all requests to all domains. The ranking reflects the popularity of internet activity over any port or protocol from any application and not just web activity over port 80 from browsers.
Data source: Cisco Umbrella.
Data updated: 1 May 2022.
Data source: Cisco Umbrella.
Data updated: 1 May 2022.
95,077
(+10,816 since 1 Apr 2022)

Historical PageRank
Historical value of Google PageRank, a patented method for measuring page importance on a scale from 0 - 10, where 10 is the highest. Used internally by Google, was displayed in Google Toolbar until March 2016.
8 
(cached on 1 Oct 2011)


Linking information
Domain
si.edu
Referring C subnets
The number of unique C-subnets with at least one website hosted that contains a link to the domain. Google will give significantly more link power if your inbound links are on different C class IP addresses.
Data source: Majestic.
Data updated: 1 May 2022.
Data source: Majestic.
Data updated: 1 May 2022.
42,773
(-1,507 since 1 Apr 2022)

Referring IPs
The number of unique IP addresses with at least one website hosted that contains a link to the domain.
Data source: Majestic.
Data updated: 1 May 2022.
Data source: Majestic.
Data updated: 1 May 2022.
84,020
(-3,665 since 1 Apr 2022)

Linking root domains
Linking root domains includes the number of unique root domains linking to a site. Two links from the same website would only be counted as one linking root domain. This includes followed and nofollowed links.
Data source: Moz.
Data updated: 2 Apr 2022.
Data source: Moz.
Data updated: 2 Apr 2022.
292,612
(+5,430 since 2 Feb 2022)

Estimated traffic
Website traffic estimations, calculated using our own algorithms. May be VERY inaccurate for websites with low or artificially inflated traffic ranks!
Daily visitors | 230.5K |
---|---|
Monthly visitors | 7.15M |
Daily pageviews | 782.4K |
Monthly pageviews | 24.25M |
Top visitor country | United States |
Safety
Safe10/10
WOT Trustworthiness
WOT (MyWOT, Web of Trust) is an online reputation and Internet safety service which shows indicators of trust about existing websites.
Data updated: 18 Jun 2020.
Data updated: 18 Jun 2020.
Excellent (94)
WOT Child safety
WOT (MyWOT, Web of Trust) is an online reputation and Internet safety service which shows indicators of trust about existing websites.
Data updated: 18 Jun 2020.
Data updated: 18 Jun 2020.
Excellent (95)
Google Safe Browsing
Google Safe Browsing is a blacklist service provided by Google that provides lists of URLs for web resources that contain malware or phishing content and ability to check given URLs.
McAfee WebAdvisor
McAfee WebAdvisor (formerly - McAfee SiteAdvisor) is a service that reports on the safety of web sites.
CleanBrowsing Family Filter
CleanBrowsing Family Filter. Blocks access to all adult, pornographic and explicit sites. It also blocks proxy and VPN domains that are used to bypass the filters. Mixed content sites (like Reddit) are also blocked. Google, Bing and Youtube are set to the Safe Mode. Malicious and Phishing domains are blocked.
Safe
Neustar Family Secure
Neustar Family Secure. Protects against malicious domains and Gambling, Pornography, Violence, Hate/Discrimination websites.
Safe
OpenDNS FamilyShield
OpenDNS FamilyShield is a special service, meant for home users who want to block inappropriate websites. FamilyShield blocks domains that are categorized as: Tasteless, Proxy/Anonymizer, Sexuality and Pornography.
Safe
AdGuard Family
AdGuard Family blocks access to ads, counters, malicious websites and adult content.
Safe
SafeDNS
SafeDNS blocks porn, abusive, violent, and any inappropriate content from the 61 pre-made categories.
Safe
Yandex.DNS Family
Yandex.DNS Family protects from dangerous sites and adult content.
Safe
On-page data
Headings
<h1> | <h2> | <h3> | <h4> | <h5> | <h6> |
---|---|---|---|---|---|
1 3.2% | 9 29% | 21 67.7% | 0 0% | 0 0% | 0 0% |
- Search
- ๐ผ Smithsonian Institution
- Site Navigation
- The Outwin 2022: American Portraiture Today
- Celebrating 50 Years of Giant Pandas
- Smithsonian Open Access
- Discover Her Story
- Smithsonian Global: 7 continents. 140 + countries
- Welcome
- Visit
- A Dreamerโs Graduation Attire
- Confirmation at Last of a Black Hole at the Center of the Milky Way
- Asian American and Pacific Islander Heritage in the Collections
- Explore America: Hawai'i
- The 19th-Century Bicycle Craze
- Digital Backgrounds
- Asian Americans in Aviation and Space
- Amelia Earhart
- Philosophy Meets Motorcycle Maintenance on a Road Trip
- Women of Public Health
- …
Links
Total | 197 |
---|---|
Internal Links containing images (<img> inside <a>) | 171 86.8% |
External Links pointing to resources on the external domains | 25 12.7% |
Other Non-http/https links and links without href attribute | 1 0.5% |
Nofollow Links with rel="nofollow" | 0 0% |
Duplicated Links pointing to the same resources (links with the same href attribute) | 19 9.6% |
With image Links containing images (<img> inside <a>) | 23 11.7% |
With TITLE Links with the title attribute | 1 0.5% |
PageRank/Links ratio PageRank divided by outbound links count. Higher value means higher pagerank spreading with every link. | 0.0273 |
Images
Total | 24 |
---|---|
Internal Images loaded from resources on the same domain | 23 95.8% |
External Images loaded from resources on the external domains | 1 4.2% |
Other Images with empty or non-http/https src attribute | 0 0% |
Without ALT | 0 0% |
Without SRC Images without the src attribute | 0 0% |
With TITLE Images with the title attribute | 6 25% |
Duplicated Images loaded from the same resources (images with the same src attribute) | 0 0% |
URI schemes
Uniform Resource Identifier (URI) schemes, found in a.href and img.src attributes. URI scheme is a first part of the URL (e.g. http://), specifying a concrete syntax and protocol associated with it. List of most known schemes could be found here.
Please note that we display only explicitly specified schemes (they are omitted in relative paths).
Please note that we display only explicitly specified schemes (they are omitted in relative paths).
https:// (57), http:// (2)
Meta tags
charset | utf-8 |
---|---|
cleartype | on |
description | [...] |
generator | Drupal 7 (http://drupal.org) |
handheldfriendly | true |
keywords | Smithsonian Institution |
mobileoptimized | width |
og:description | Official website of the Smithsonian, the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world. |
og:image | ![]() |
og:site_name | Smithsonian Institution |
og:title | Smithsonian Institution | Home |
og:type | website |
og:url | https://www.si.edu/home |
theme-color | |
twitter:card | summary_large_image |
twitter:creator | @smithsonian |
twitter:creator:id | 14199378 |
twitter:description | Official website of the Smithsonian, the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world. |
twitter:image | ![]() |
twitter:site | @smithsonian |
twitter:site:id | 14199378 |
twitter:title | Smithsonian Institution | Home |
twitter:url | https://www.si.edu/home |
viewport | width=device-width |
Top ranking keywords on Google for this domain
Keyword | Position in Google | Volume per month | CPC |
---|---|---|---|
star spangled banner | 1 | 3.07 | $1.56 |
national zoo | 1 | 2.32 | $1.45 |
star spangled banner lyrics | 1 | 2.84 | $1.27 |
panda cam | 1 | 1.41 | $1.04 |
renwick gallery | 1 | 2.55 | $0.79 |
smithsonian museums | 1 | 0.48 | $0.69 |
smithsonian museum | 1 | 0.28 | $0.46 |
red panda | 2 | 0.53 | $0.64 |
komodo dragon | 2 | 0.78 | $0.52 |
alice paul | 11 | 1.15 | $0.94 |
Powered by SEMrush→ View full keyword report…
Competitors
Competitors in organic search. Domains competing with the current domain in the search results for the same keywords.
Domain | Common keywords |
---|---|
30,985 | |
24,643 | |
22,936 | |
15,821 | |
13,405 | |
9,607 | |
8,371 | |
6,078 | |
6,000 | |
5,412 |
Powered by SEMrush→ View full competitor list…
Domain whois
Domain Name | si.edu |
---|---|
Name Servers | SI-NAMES1.SI.EDU, SI-NAMES2.SI.EDU |
Domain record activated | 19 Jun 1992 (29 years and 11 months ago) |
Domain record last updated | 25 Jan 2022 (3 months and 26 days ago) |
Domain expires | 31 Jul 2024 (in 2 years and 2 months) |
Registrant | Smithsonian Institution, 380 Herndon Parkway, Herndon, VA 20170, USA |
IP addresses
Hostname | IP address | Reverse DNS Hostname | Location |
---|---|---|---|
www.si.edu | 160.111.244.48 → Lookup | sparklab.si.edu | United States |
IP whois
IP address | 160.111.244.48 |
---|---|
Network Range | 160.111.0.0 - 160.111.255.255 |
Network Name | SI |
Organization | Smithsonian Institution |
Address | 600 Maryland Ave SW, Suite 4040, Washington, DC, 20024, United States |
Registered | 28 May 1992 (29 years and 11 months ago) |
Updated | 14 Dec 2021 (5 months and 7 days ago) |
Comment | NOC hours are 24/7 - all days except Dec 25th. |
Abuse contact | ARIN-Abuse, +1-202-633-4100, |
Technical contact Referral technical contact | Nguyen, Tran Ngoc, +1-202-633-0333, |
Technical contact Referral technical contact | Technical POC, +1-202-633-2715, |
NOC contact | ARIN-NOC, +1-202-633-4100, |
Abuse contact | Abuse-POC, +1-202-746-0443, |
Websites on this IP (44)
www.si.edu
museumonmainstreet.org
americanhistory.si.edu
npg.si.edu
siarchives.si.edu
postalmuseum.si.edu
humanorigins.si.edu
aaa.si.edu
airandspace.si.edu
library.si.edu
ssec.si.edu
invention.si.edu
howthingsfly.si.edu
blog.americanhistory.si.edu
stri.si.edu
serc.si.edu
historyexplorer.si.edu
blog.photography.si.edu
smithsoniancampaign.org
maya.nmai.si.edu
- ...
Subdomains (493)
ocean.si.edu
americanart.si.edu
americanhistory.si.edu
nmai.si.edu
nationalzoo.si.edu
mnh.si.edu
npg.si.edu
siarchives.si.edu
paleobiology.si.edu
hirshhorn.si.edu
nmaahc.si.edu
chandra.si.edu
alaska.si.edu
nasm.si.edu
folkways.si.edu
sil.si.edu
americanindian.si.edu
invertebrates.si.edu
npm.si.edu
postalmuseum.si.edu
- ...
Server response data
Request URL | http://www.si.edu (HTTP/1.1, port 80) | ||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Response code | 301 (Moved Permanently) | ||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||
⤹ | |||||||||||||||||||||||||||||||||||||||||
Request URL | https://www.si.edu/ (HTTP/1.0, port 443, TLSv1.2) | ||||||||||||||||||||||||||||||||||||||||
Response code | 200 (OK) | ||||||||||||||||||||||||||||||||||||||||
|
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Disclaimer
Wmtips.com is not affiliated, associated, authorized, endorsed by, or in any way officially connected with si.edu. The data is collected from publicly available information and third-party services. All trademarks, product names and logos are the property of their respective owners.
Last Updated: 1 hour and 16 minutes ago
Social
Data updated: 15 Aug 2020.
Data updated: 19 May 2022.
Data updated: 19 May 2022.