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si.edu Website Information

Daily Unique Visits: 129,373

Daily Page Views: 776,238

Income Per Day: $1,552

Estimated Value: $1,117,440

This website is located in United States and is using following IP address 160.111.244.22. See the complete list of popular websites hosted in United States.

si.edu is registered under .EDU top-level domain. Please check other sites in .EDU zone.

Website si.edu is using the following name servers:

  • SI-NAMES1.si.edu
  • SI-NAMES2.si.edu

and is probably hosted by SMITHSONIAN - Smithsonian Institution, US. See the full list of other websites hosted by SMITHSONIAN - Smithsonian Institution, US.

The highest website si.edu position in Alexa rank database was 1909 and the lowest rank position was 18648. Current position of si.edu in Alexa rank database is 11086.

Desktop speed score of si.edu (83/100) is better than the results of 79.34% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of si.edu (99/100) is better than the results of 87.11% of other sites and means that the page is mobile-friendly.

Mobile speed score of si.edu (80/100) is better than the results of 90.45% of other sites and shows that the landing page performance on mobile devices is excellent.

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si.edu Alexa Rank

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--------------------------

Domain Name: SI.EDU

Registrant:
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
UNITED STATES

Administrative Contact:
Brian Alpert
Smithsonian Institution
380 Herndon Parkway, MRC 1010
Herndon, VA 20170
UNITED STATES
(202) 633-3955
alpertb@si.edu

Technical Contact:
Joseph Johnston
OCIO Network Management Division
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
UNITED STATES
(202) 633-2715
johnstonj@si.edu

Name Servers:
SI-NAMES1.SI.EDU 160.111.252.5
SI-NAMES2.SI.EDU 160.111.252.6

Domain record activated: 19-Jun-1992
Domain record last updated: 10-Apr-2017
Domain expires: 31-Jul-2018

si.edu server information

Servers Location

si.edu desktop page speed rank

Last tested: 2017-05-24


Desktop Speed Medium
83/100

si.edu Desktop Speed Test Quick Summary


priority - 9 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 84.9KiB (72% reduction).

Compressing https://www.si.edu/ could save 56.5KiB (79% reduction).
Compressing https://www.si.edu/sites/default/files/googleanalytics/analytics.js?oq7hq0 could save 17.2KiB (58% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 11.2KiB (69% reduction).

priority - 4 Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 41.6KiB (47% reduction).

Compressing https://www.si.edu/sites/default/files/historic-castle-400.jpg could save 39.4KiB (52% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/im…os/logo.png?1486598614 could save 2.2KiB (16% reduction).

priority - 2 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 22KiB (22% reduction).

Minifying https://www.si.edu/sites/default/files/js/js_BLxot…fdnkQfnN-_ADBTW3SiE.js could save 5.7KiB (46% reduction) after compression.
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Minifying https://www.si.edu/sites/default/files/js/js_n7Rcm…LO4awRHIOSSv2x9zWJw.js could save 1.1KiB (22% reduction) after compression.

priority - 2 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://www.si.edu/sites/default/files/css/css_CiO…h_qrpcyh63V18HN_6I.css

priority - 1 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.si.edu/fsrscripts/triggerParams.js (expiration not specified)

si.edu Desktop Resource Breakdown

Total Resources58
Number of Hosts8
Static Resources42
JavaScript Resources12
CSS Resources7

si.edu mobile page speed rank

Last tested: 2017-05-24


Mobile Speed Medium
80/100

si.edu Mobile Speed Test Quick Summary


priority - 9 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 84.9KiB (72% reduction).

Compressing https://www.si.edu/ could save 56.5KiB (79% reduction).
Compressing https://www.si.edu/sites/default/files/googleanalytics/analytics.js?oq7hq0 could save 17.2KiB (58% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 11.2KiB (69% reduction).

priority - 8 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://www.si.edu/sites/default/files/css/css_CiO…h_qrpcyh63V18HN_6I.css

priority - 4 Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 41.6KiB (47% reduction).

Compressing https://www.si.edu/sites/default/files/historic-castle-400.jpg could save 39.4KiB (52% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/im…os/logo.png?1486598614 could save 2.2KiB (16% reduction).

priority - 2 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 20.8KiB (21% reduction).

Minifying https://www.si.edu/sites/default/files/js/js_BLxot…fdnkQfnN-_ADBTW3SiE.js could save 5.7KiB (46% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_jUGMA…5Zo2RFUW2xbLBM2kqrc.js could save 4.7KiB (13% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_pqj7d…gaV3FakVHsJbyb_L_1w.js could save 3.8KiB (21% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_hdKS3…kgPZkl2f92WxycmqwVQ.js could save 3.3KiB (32% reduction) after compression.
Minifying https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 2.2KiB (14% reduction).
Minifying https://www.si.edu/sites/default/files/js/js_n7Rcm…LO4awRHIOSSv2x9zWJw.js could save 1.1KiB (22% reduction) after compression.

priority - 1 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.si.edu/fsrscripts/triggerParams.js (expiration not specified)

si.edu Mobile Resource Breakdown

Total Resources57
Number of Hosts9
Static Resources42
JavaScript Resources12
CSS Resources6

si.edu mobile page usability

Last tested: 2017-05-24


Mobile Usability Good
99/100

si.edu Mobile Usability Test Quick Summary


priority - 1 Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/contacts">Contact Us</a> and 8 others are close to other tap targets.

si.edu Mobile Resource Breakdown

Total Resources57
Number of Hosts9
Static Resources42
JavaScript Resources12
CSS Resources6

si.edu HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 10 Column: - 23
"... charset="utf-8" /> <link rel=..."

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Line: 15 Column: 1 - 44
"...ml8wp" /> <meta http-equiv="cleartype" content="on" /> <meta..."

Duplicate attribute “class”.

Line: 116 Column: - 82
"...pane-6" class="panel-pane pa..." Line: 127 Column: - 244
"..."article" class="node node--sl..." Line: 161 Column: - 214
"..."article" class="node node--sl..." Line: 192 Column: - 208
"..."article" class="node node--sl..." Line: 226 Column: - 215
"..."article" class="node node--sl..." Line: 260 Column: - 234
"..."article" class="node node--sl..." Line: 307 Column: - 80
"...ontent" class="panel-pane pa..." Line: 414 Column: - 202
"..."article" class="node node--te..." Line: 439 Column: - 210
"..."article" class="node node--te..." Line: 464 Column: - 204
"..."article" class="node node--te..." Line: 489 Column: - 196
"..."article" class="node node--te..." Line: 514 Column: - 217
"..."article" class="node node--te..." Line: 539 Column: - 206
"..."article" class="node node--te..." Line: 564 Column: - 204
"..."article" class="node node--te..." Line: 589 Column: - 244
"..."article" class="node node--te..." Line: 614 Column: - 232
"..."article" class="node node--te..." Line: 639 Column: - 211
"..."article" class="node node--te..." Line: 664 Column: - 204
"..."article" class="node node--te..." Line: 689 Column: - 210
"..."article" class="node node--te..." Line: 855 Column: - 87
"...lock-1" class="panel-pane pa..." Line: 863 Column: - 65
"...footer" class="panel-pane pa..." Line: 883 Column: - 77
"...-media" class="panel-pane pa..." Line: 896 Column: - 73
"...rapper" class="panel-pane pa..."

Attribute “about” not allowed on element “div” at this point.

Line: 127 Column: 26 - 334
"...ides"><li><div class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser has-media" about="/slideshow/what-will-smithsonian-look-5-years" typeof="sioc:Item foaf:Document" role="article" class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser"> ..." Line: 161 Column: 5 - 304
"...</li> <li><div class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser has-media" about="/slideshow/ep-12-live-cookin-stories" typeof="sioc:Item foaf:Document" role="article" class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser"> ..." Line: 192 Column: 5 - 298
"...</li> <li><div class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser has-media" about="/slideshow/americas-presidents" typeof="sioc:Item foaf:Document" role="article" class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser"> ..." Line: 226 Column: 5 - 305
"...</li> <li><div class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser has-media" about="/slideshow/second-opinion-immigration" typeof="sioc:Item foaf:Document" role="article" class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser"> ..." Line: 260 Column: 5 - 324
"...</li> <li><div class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser has-media" about="/slideshow/smithsonian-global-7-continents-140-countries" typeof="sioc:Item foaf:Document" role="article" class="node node--slideshow node-teaser view-mode-teaser node--teaser node--slideshow--teaser"> ..." Line: 313 Column: 8 - 243
"... <div about="" typeof="" id="paragraphs-item-826" class="ds-2col-stacked-fluid entity entity-paragraphs-item paragraphs-item-two-column-equal layout-constrain field-layout spacing-top field-class view-mode-full layout nested clearfix"> <d..." Line: 320 Column: 8 - 174
"... <div about="" typeof="" id="paragraphs-item-824" class="content-wrapper entity entity-paragraphs-item paragraphs-item-text-block bg-none field-bg view-mode-full cf"> <d..." Line: 350 Column: 8 - 187
"... <div about="" typeof="" id="paragraphs-item-825" class="content-wrapper entity entity-paragraphs-item paragraphs-item-text-block border-gray-light field-class view-mode-full cf"> <d..." Line: 382 Column: 6 - 189
"...iv> <div about="" typeof="" id="paragraphs-item-642" class="content-wrapper entity entity-paragraphs-item paragraphs-item-embedded-block layout-constrain field-layout view-mode-full cf"> <d..." Line: 401 Column: 6 - 205
"...iv> <div about="" typeof="" id="paragraphs-item-643" class="content-wrapper entity entity-paragraphs-item paragraphs-item-embedded-view layout-constrain field-layout bg-none field-bg view-mode-full cf"> <d..." Line: 414 Column: 5 - 289
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/thank-you-miss-rosa" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 439 Column: 5 - 297
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/cats-asia-and-ancient-egypt" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 464 Column: 5 - 291
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/1917-year-collections" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 489 Column: 5 - 283
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/holiday-cards" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 514 Column: 5 - 304
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/what-makes-great-rock-n-roll-photo" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 539 Column: 5 - 293
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/ll-cool-j-kehinde-wiley" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 564 Column: 5 - 291
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/1957-year-collections" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 589 Column: 5 - 331
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/do-you-have-reason-be-optimistic-about-earth%E2%80%99s-future" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 614 Column: 5 - 319
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/what-does-microwaved-sperm-have-do-saving-species" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 639 Column: 5 - 298
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/statue-liberty-symbol-nation" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 664 Column: 5 - 291
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/1947-year-collections" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 689 Column: 5 - 297
"...tom"> <div class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long has-media" about="/teaser/skateboarding-and-invention" typeof="sioc:Item foaf:Document" role="article" class="node node--teaser view-mode-teaser_long node--teaser-long node--teaser--teaser-long"> ..." Line: 729 Column: 6 - 234
"...iv> <div about="" typeof="" id="paragraphs-item-645" class="layout four-column entity entity-paragraphs-item paragraphs-item-four-column layout-constrain field-layout bg-gray-light field-bg spacing-top field-class view-mode-full "> <div ..." Line: 736 Column: 8 - 174
"... <div about="" typeof="" id="paragraphs-item-855" class="content-wrapper entity entity-paragraphs-item paragraphs-item-text-block bg-none field-bg view-mode-full cf"> <d..." Line: 761 Column: 8 - 174
"... <div about="" typeof="" id="paragraphs-item-856" class="content-wrapper entity entity-paragraphs-item paragraphs-item-text-block bg-none field-bg view-mode-full cf"> <d..." Line: 786 Column: 8 - 174
"... <div about="" typeof="" id="paragraphs-item-857" class="content-wrapper entity entity-paragraphs-item paragraphs-item-text-block bg-none field-bg view-mode-full cf"> <d..." Line: 812 Column: 8 - 174
"... <div about="" typeof="" id="paragraphs-item-858" class="content-wrapper entity entity-paragraphs-item paragraphs-item-text-block bg-none field-bg view-mode-full cf"> <d..."

Duplicate ID “cons_email_opt_in_requested”.

Line: 906 Column: 3 - 104
"..."7760"> <input type="hidden" id="cons_email_opt_in_requested" name="cons_email_opt_in_requested" value="true"> <in..."

Warnings

The “banner” role is unnecessary for element “header”.

Line: 66 Column: 5 - 44
"...></a> <header class="l-header " role="banner"> ..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 849 Column: 5 - 48
"...div> <footer class="l-footer" role="contentinfo"> ..."

The first occurrence of ID “cons_email_opt_in_requested” was here.

Line: 903 Column: 3 - 104
"...ue="t"> <input type="hidden" id="cons_email_opt_in_requested" name="cons_email_opt_in_requested" value="true"> <in..."

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si.edu Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


si.edu TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.