Analyze Discontinued Website | National Museum of American History

The website you attempted to reach has been discontinued.To view items in the Museum's collections, including archives and libraries, please use our Collection Search. Or, use the general site se...

Page load speed analysis

  • 91/100

    Good result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    27 ms

  • Resources loaded

    229 ms

  • Page rendered

    101 ms

  • Total page load time

    357 ms

Welcome to homepage info - get ready to check Smithsonianlegacies Si best content for United States right away, or after learning these important things about

We analyzed page load time and found that the first response time was 27 ms and then it took 330 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Page optimization

  • HTML 36.5 kB
    Images 771.8 kB
    Javascripts 472.8 kB
    CSS 248.7 kB

    In fact, the total size of main page is 1.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 771.8 kB which makes up the majority of the site volume.

    • Original 36.5 kB
    • After minification 33.5 kB
    • After compression 8.2 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.3 kB or 77% of the original size.

    • Original 771.8 kB
    • After optimization 729.1 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Smithsonianlegacies Si images are well optimized though.

    • Original 472.8 kB
    • After minification 412.0 kB
    • After compression 128.5 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 344.3 kB or 73% of the original size.

    • Original 248.7 kB
    • After minification 197.3 kB
    • After compression 41.1 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 207.5 kB or 83% of the original size.

Network requests diagram

  • discontinued-website
  • system.base.css
  • system.menus.css
  • system.messages.css
  • system.theme.css
  • book.css
  • calendar_multiday.css
  • comment.css
  • date.css
  • datepicker.1.7.css
  • date_repeat_field.css
  • exhibit.css
  • field.css
  • google_appliance.css
  • node.css
  • search.css
  • structuredcontent_field.css
  • scf-layout.css
  • user.css
  • views.css
  • ctools.css
  • ldap_help.css
  • lightbox.css
  • colorbox.css
  • views_slideshow.css
  • print.css
  • bootstrap.css
  • screen.css
  • sidr-dark.css
  • css
  • jquery.min.js
  • jquery.once.js
  • drupal.js
  • admin_devel.js
  • lightbox_video.js
  • lightbox.js
  • jquery.colorbox-min.js
  • triggerParams.js
  • colorbox-load.js
  • views_slideshow.js
  • custom_search.js
  • googleanalytics.js
  • bootstrap.min.js
  • nmah.js
  • jquery.sidr.js
  • seadragon.js
  • jquery.ids.js
  • webtrends-nmah.js
  • analytics.js
  • nmah-print.jpg
  • mobile-menu-button.png
  • mobile-search-button.png
  • si-logo.png
  • red-arrow.gif
  • social-icons.png
  • nmah-location.png
  • ssb_conservation.jpg
  • nmah-header-logo.png
  • donate-button.png
  • nmah-si-logo.png
  • search-icon.png
  • wtid.js
  • IczWvq5y_Cwwv_rBjOtT0w.woff
  • CcKI4k9un7TZVWzRVT-T8xsxEYwM7FgeyaSgU71cLG0.woff
  • xkvoNo9fC8O2RDydKj12bxsxEYwM7FgeyaSgU71cLG0.woff
  • JbtMzqLaYbbbCL9X6EvaIxsxEYwM7FgeyaSgU71cLG0.woff
  • 1ImRNPx4870-D9a1EBUdPBsxEYwM7FgeyaSgU71cLG0.woff
  • collect
  • menu-leaf.png
  • menu-expanded.png
  • foresee-surveydef.js
  • dcs.gif
  • foresee-dhtml.css

Our browser made a total of 73 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original, 7% (5 requests) were made to and 4% (3 requests) were made to The less responsive or slowest element that took the longest time to load (97 ms) relates to the external source

Additional info on


The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smithsonianlegacies Si. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.









Possible request optimization











Normal result

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 299

Language and encoding

Good result


EN en language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 58.9% of all visits is United States. It’s good for that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

Open Graph data is detected on the main page of Smithsonianlegacies Si. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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