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smithsonian.org screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

smithsonian.org

Request Rejected

Page Load Speed

5.1 sec in total

First Response

596 ms

Resources Loaded

2.2 sec

Page Rendered

2.4 sec

smithsonian.org screenshot

About Website

Click here to check amazing Smithsonian content for United States. Otherwise, check out these important facts you probably never knew about smithsonian.org

Official website of the Smithsonian, the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world.

Visit smithsonian.org

Key Findings

We analyzed Smithsonian.org page load time and found that the first response time was 596 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

smithsonian.org performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.1 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.45

20/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

www.si.edu

596 ms

api.js

42 ms

qfv0ytn.css

27 ms

css_V87EvcbNzzamTlwZWiBREpPElg0wJsrxoFPmRoQW0N0.css

13 ms

css_Vo1u-0iwoIgfH3E4hP5NLExFGGKfoMDpP-lhkw_VA1I.css

19 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Smithsonian.org, 5% (6 requests) were made to Use.typekit.net and 4% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (596 ms) relates to the external source Si.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (17%)

Content Size

10.7 MB

After Optimization

8.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Smithsonian.org main page is 10.7 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. Only a small number of websites need less resources to load. Images take 10.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 91.3 kB

  • Original 114.4 kB
  • After minification 110.4 kB
  • After compression 23.1 kB

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 91.3 kB or 80% of the original size.

Image Optimization

-16%

Potential reduce by 1.6 MB

  • Original 10.0 MB
  • After minification 8.4 MB

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. Obviously, Smithsonian needs image optimization as it can save up to 1.6 MB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-21%

Potential reduce by 94.0 kB

  • Original 449.3 kB
  • After minification 437.3 kB
  • After compression 355.3 kB

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 94.0 kB or 21% of the original size.

CSS Optimization

-41%

Potential reduce by 68.1 kB

  • Original 166.3 kB
  • After minification 166.3 kB
  • After compression 98.2 kB

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. Smithsonian.org needs all CSS files to be minified and compressed as it can save up to 68.1 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (71%)

Requests Now

120

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smithsonian. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 72 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.si.edu

www.si.edu

596 ms

api.js

api.js

42 ms

qfv0ytn.css

qfv0ytn.css

27 ms

css_V87EvcbNzzamTlwZWiBREpPElg0wJsrxoFPmRoQW0N0.css

css_V87EvcbNzzamTlwZWiBREpPElg0wJsrxoFPmRoQW0N0.css

13 ms

css_Vo1u-0iwoIgfH3E4hP5NLExFGGKfoMDpP-lhkw_VA1I.css

css_Vo1u-0iwoIgfH3E4hP5NLExFGGKfoMDpP-lhkw_VA1I.css

19 ms

css_TG-kZRF9-WWQYVniGdO0JbprPpjUhFrzEaQIek-T5mo.css

css_TG-kZRF9-WWQYVniGdO0JbprPpjUhFrzEaQIek-T5mo.css

42 ms

google_tag.script.js

google_tag.script.js

31 ms

jquery.min.js

jquery.min.js

30 ms

jquery-migrate.min.js

jquery-migrate.min.js

37 ms

jquery-extend-3.4.0.js

jquery-extend-3.4.0.js

36 ms

jquery-html-prefilter-3.5.0-backport.js

jquery-html-prefilter-3.5.0-backport.js

22 ms

jquery.once.js

jquery.once.js

27 ms

drupal.js

drupal.js

37 ms

no-js.js

no-js.js

35 ms

jquery_browser.js

jquery_browser.js

37 ms

blazy.min.js

blazy.min.js

40 ms

dblazy.min.js

dblazy.min.js

70 ms

bio.min.js

bio.min.js

71 ms

bio.media.min.js

bio.media.min.js

72 ms

blazy.load.min.js

blazy.load.min.js

71 ms

jquery.cookie.js

jquery.cookie.js

75 ms

jquery.form.min.js

jquery.form.min.js

78 ms

form-single-submit.js

form-single-submit.js

74 ms

ajax.js

ajax.js

75 ms

jquery_update.js

jquery_update.js

73 ms

autoupload.js

autoupload.js

76 ms

entityreference.js

entityreference.js

81 ms

picturefill.min.js

picturefill.min.js

82 ms

picture.min.js

picture.min.js

81 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

81 ms

colorbox.js

colorbox.js

81 ms

colorbox_style.js

colorbox_style.js

117 ms

colorbox_load.js

colorbox_load.js

117 ms

colorbox_inline.js

colorbox_inline.js

115 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

115 ms

base.js

base.js

116 ms

progress.js

progress.js

118 ms

ajax_view.js

ajax_view.js

119 ms

captcha.js

captcha.js

118 ms

webform.js

webform.js

115 ms

field_group.js

field_group.js

106 ms

googleanalytics.js

googleanalytics.js

104 ms

p.css

p.css

60 ms

js

js

105 ms

google_analytics_et.js

google_analytics_et.js

102 ms

js.cookie.min.js

js.cookie.min.js

101 ms

si_visit_planner.behaviors.js

si_visit_planner.behaviors.js

153 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

151 ms

sftouchscreen.js

sftouchscreen.js

153 ms

sfsmallscreen.js

sfsmallscreen.js

153 ms

supposition.js

supposition.js

154 ms

recaptcha__en.js

recaptcha__en.js

92 ms

superfish.js

superfish.js

151 ms

superfish.js

superfish.js

122 ms

luminateExtend.min.js

luminateExtend.min.js

122 ms

modernizr-custom.min.js

modernizr-custom.min.js

121 ms

ScrollMagic.min.js

ScrollMagic.min.js

120 ms

uisearch.js

uisearch.js

119 ms

si_baseline.behaviors.js

si_baseline.behaviors.js

168 ms

flexslider.load.js

flexslider.load.js

198 ms

si_promo.js

si_promo.js

194 ms

addthis.js

addthis.js

194 ms

colorbox-gs.js

colorbox-gs.js

194 ms

si_views.js

si_views.js

194 ms

js

js

289 ms

logo.svg

logo.svg

158 ms

s06ep14web_large.png

s06ep14web_large.png

174 ms

look-by-kristin-kouke.jpg

look-by-kristin-kouke.jpg

166 ms

enduring-stellar-lifecycle-doradus.jpg

enduring-stellar-lifecycle-doradus.jpg

171 ms

soa_masthead_1920x460_final.jpg

soa_masthead_1920x460_final.jpg

167 ms

fs-f1904.61_006.jpg

fs-f1904.61_006.jpg

160 ms

sgra_polarimetric_press_image-032724-lores.jpg

sgra_polarimetric_press_image-032724-lores.jpg

159 ms

400_317_hawaii2.jpg

400_317_hawaii2.jpg

161 ms

nmah-2001-3147.jpg

nmah-2001-3147.jpg

160 ms

chsdm-297456_01.jpg

chsdm-297456_01.jpg

161 ms

20220612-jz-002-carpenter-bee-1400x7001.png

20220612-jz-002-carpenter-bee-1400x7001.png

168 ms

bicycle-tintype-21.jpg

bicycle-tintype-21.jpg

171 ms

sia-89-5013.jpg

sia-89-5013.jpg

175 ms

npg-8700536c_1.jpg

npg-8700536c_1.jpg

175 ms

stevie.jpg

stevie.jpg

176 ms

dog-figurine_0.jpg

dog-figurine_0.jpg

175 ms

nmah-ahb2013q013063.jpg

nmah-ahb2013q013063.jpg

175 ms

s10e15-web_small.jpg

s10e15-web_small.jpg

177 ms

s07ep6-web_small.png

s07ep6-web_small.png

177 ms

s10e02-web_small.png

s10e02-web_small.png

178 ms

sd_s02_website-interior_episode-1_hope-diamond-01_0.png

sd_s02_website-interior_episode-1_hope-diamond-01_0.png

177 ms

join-circles300.png

join-circles300.png

179 ms

se-mag-307_1.png

se-mag-307_1.png

179 ms

se-circles300elephant-cher.png

se-circles300elephant-cher.png

178 ms

se-panda-circles300.png

se-panda-circles300.png

180 ms

journey-circle.png

journey-circle.png

181 ms

logo-white.png

logo-white.png

179 ms

d

d

205 ms

d

d

297 ms

d

d

253 ms

d

d

253 ms

d

d

293 ms

fa-brands-400.ttf

fa-brands-400.ttf

174 ms

analytics.js

analytics.js

261 ms

webtrends.min.js

webtrends.min.js

166 ms

gtm.js

gtm.js

257 ms

gateway.min.js

gateway.min.js

148 ms

fallback

fallback

138 ms

00000066-5.png

00000066-5.png

34 ms

prev.svg

prev.svg

34 ms

next.svg

next.svg

34 ms

css_VqkYt6aPnWBLlBbkgUdI9j_bk3lrEiKMPBD3Vvyywps.css

css_VqkYt6aPnWBLlBbkgUdI9j_bk3lrEiKMPBD3Vvyywps.css

94 ms

wtid.js

wtid.js

416 ms

fallback__ltr.css

fallback__ltr.css

88 ms

payload

payload

88 ms

collect

collect

38 ms

css

css

59 ms

js

js

83 ms

destination

destination

163 ms

fbevents.js

fbevents.js

33 ms

ihadm7hejk

ihadm7hejk

79 ms

fs.utils.js

fs.utils.js

12 ms

fs.compress.js

fs.compress.js

21 ms

logo_48.png

logo_48.png

38 ms

refresh_black.png

refresh_black.png

46 ms

audio_black.png

audio_black.png

47 ms

203131454135018

203131454135018

183 ms

clarity.js

clarity.js

86 ms

96 ms

font

font

125 ms

dcs.gif

dcs.gif

64 ms

33 ms

c.gif

c.gif

7 ms

Accessibility Review

smithsonian.org accessibility score

96

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

smithsonian.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

smithsonian.org SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Smithsonian.org 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 Smithsonian.org 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.

Social Sharing Optimization

smithsonian.org

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