Tools & Wizards About Us
ndm.si.edu screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

ndm.si.edu

Cooper Hewitt, Smithsonian Design Museum | 2 East 91st St New York NY 10128

Page Load Speed

2.9 sec in total

First Response

240 ms

Resources Loaded

2.1 sec

Page Rendered

564 ms

ndm.si.edu screenshot

About Website

Visit ndm.si.edu now to see the best up-to-date Ndm Si content for United States and also check out these interesting facts you probably never knew about ndm.si.edu

Cooper Hewitt, Smithsonian Design Museum located in New York City (2 East 91st St). Open 10:00 a.m. to 6:00 p.m. daily

Visit ndm.si.edu

Key Findings

We analyzed Ndm.si.edu page load time and found that the first response time was 240 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

ndm.si.edu performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value31.0 s

0/100

25%

SI (Speed Index)

Value20.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

www.cooperhewitt.org

240 ms

www.cooperhewitt.org

210 ms

colorbox.css

22 ms

style.min.css

23 ms

mediaelementplayer-legacy.min.css

35 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ndm.si.edu, 7% (6 requests) were made to Googletagmanager.com and 5% (4 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Cooperhewitt.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.4 kB (2%)

Content Size

3.7 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ndm.si.edu main page is 3.7 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 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 80.3 kB

  • Original 96.7 kB
  • After minification 90.0 kB
  • After compression 16.4 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 80.3 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 1 B

  • Original 3.3 MB
  • After minification 3.3 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. Ndm Si images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 159.9 kB
  • After minification 159.9 kB
  • After compression 158.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 702 B

  • Original 81.8 kB
  • After minification 81.8 kB
  • After compression 81.1 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. Ndm.si.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (69%)

Requests Now

72

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ndm 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 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cooperhewitt.org

www.cooperhewitt.org

240 ms

www.cooperhewitt.org

www.cooperhewitt.org

210 ms

colorbox.css

colorbox.css

22 ms

style.min.css

style.min.css

23 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

35 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

73 ms

style.css

style.css

30 ms

styles.css

styles.css

31 ms

styles.css

styles.css

46 ms

social-logos.min.css

social-logos.min.css

38 ms

jetpack.css

jetpack.css

60 ms

jquery.min.js

jquery.min.js

70 ms

jquery-migrate.min.js

jquery-migrate.min.js

68 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

68 ms

general.js

general.js

96 ms

external-tracking.min.js

external-tracking.min.js

102 ms

autocomplete.css

autocomplete.css

97 ms

suggest.min.js

suggest.min.js

97 ms

index.js

index.js

99 ms

index.js

index.js

97 ms

script.min.js

script.min.js

99 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

146 ms

comment-reply.min.js

comment-reply.min.js

147 ms

new-tab.js

new-tab.js

148 ms

e-202419.js

e-202419.js

24 ms

webtrends.js

webtrends.js

160 ms

fbevents.js

fbevents.js

125 ms

gtm.js

gtm.js

144 ms

analytics.js

analytics.js

65 ms

cooper-hewitt-logo.svg

cooper-hewitt-logo.svg

87 ms

Acquired_WebBanner-1.jpg

Acquired_WebBanner-1.jpg

97 ms

WebBanner_EsDevlin-2000x1000-1.jpg

WebBanner_EsDevlin-2000x1000-1.jpg

92 ms

WebBanner_1400x700-GiveMeASign.jpg

WebBanner_1400x700-GiveMeASign.jpg

94 ms

SHOP_-StorePhoto_0622_01_v2_sq_600x600.jpg

SHOP_-StorePhoto_0622_01_v2_sq_600x600.jpg

89 ms

Ben_Hider_BH104061-640x640.jpg

Ben_Hider_BH104061-640x640.jpg

88 ms

Clock-Tile-640x640.jpg

Clock-Tile-640x640.jpg

93 ms

0039_All_MuseumNationalDesignWeek-e1669653533243.jpg

0039_All_MuseumNationalDesignWeek-e1669653533243.jpg

97 ms

Main-Page-Banner-Tester.gif

Main-Page-Banner-Tester.gif

1422 ms

newsletter-submit-arrow.svg

newsletter-submit-arrow.svg

98 ms

socialicon-white-facebook.svg

socialicon-white-facebook.svg

100 ms

socialicon-white-instagram.svg

socialicon-white-instagram.svg

104 ms

socialicon-white-twitter.svg

socialicon-white-twitter.svg

101 ms

socialicon-white-youtube.svg

socialicon-white-youtube.svg

111 ms

cooper-hewitt-logo-horizontal.svg

cooper-hewitt-logo-horizontal.svg

105 ms

wtid.js

wtid.js

295 ms

CooperHewitt-Medium.woff

CooperHewitt-Medium.woff

175 ms

CooperHewitt-Semibold.woff

CooperHewitt-Semibold.woff

173 ms

collect

collect

115 ms

collect

collect

180 ms

CooperHewitt-Display.woff

CooperHewitt-Display.woff

146 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

145 ms

js

js

163 ms

destination

destination

409 ms

destination

destination

521 ms

destination

destination

446 ms

destination

destination

482 ms

core.js

core.js

578 ms

pixel.js

pixel.js

564 ms

ebOneTag.js

ebOneTag.js

572 ms

202869

202869

608 ms

o4muvh.js

o4muvh.js

602 ms

ping.min.js

ping.min.js

579 ms

quant.js

quant.js

559 ms

activityi;src=12937516;type=chtpl;cat=cht_a0;ord=1777697419771;npa=0;auiddc=1073655162.1715216444;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

activityi;src=12937516;type=chtpl;cat=cht_a0;ord=1777697419771;npa=0;auiddc=1073655162.1715216444;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

202 ms

activityi;src=9932594;type=pagev0;cat=allpa0;ord=3796351978974;npa=0;auiddc=1073655162.1715216444;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

activityi;src=9932594;type=pagev0;cat=allpa0;ord=3796351978974;npa=0;auiddc=1073655162.1715216444;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

145 ms

rp.gif

rp.gif

110 ms

t2_w6te48vg_telemetry

t2_w6te48vg_telemetry

35 ms

1073743226

1073743226

30 ms

dcs.gif

dcs.gif

51 ms

Serving

Serving

102 ms

eps

eps

61 ms

pixel

pixel

78 ms

pixel

pixel

82 ms

379208.gif

379208.gif

79 ms

ttd

ttd

101 ms

src=9932594;type=pagev0;cat=allpa0;ord=3796351978974;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

src=9932594;type=pagev0;cat=allpa0;ord=3796351978974;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

87 ms

src=12937516;type=chtpl;cat=cht_a0;ord=1777697419771;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

src=12937516;type=chtpl;cat=cht_a0;ord=1777697419771;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe4510z8811774797za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cooperhewitt.org%2F

230 ms

pixel

pixel

27 ms

pixel

pixel

24 ms

apn

apn

72 ms

AdX

AdX

56 ms

pixel

pixel

68 ms

src=9348059;type=homep0;cat=coope0;qty=1;cost=0;u1=;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;npa=;ord=orderID

src=9348059;type=homep0;cat=coope0;qty=1;cost=0;u1=;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;npa=;ord=orderID

157 ms

pixel

pixel

127 ms

Accessibility Review

ndm.si.edu accessibility score

88

Accessibility Issues

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ndm.si.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ndm.si.edu SEO score

89

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Ndm.si.edu 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 Ndm.si.edu 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

ndm.si.edu

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