Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% 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

cooperhewitt.org

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

Page Load Speed

2.9 sec in total

First Response

199 ms

Resources Loaded

2.2 sec

Page Rendered

509 ms

About Website

Welcome to cooperhewitt.org homepage info - get ready to check Cooper Hewitt best content for United States right away, or after learning these important things about cooperhewitt.org

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 cooperhewitt.org

Key Findings

We analyzed Cooperhewitt.org page load time and found that the first response time was 199 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

cooperhewitt.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value32.0 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,770 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value210.9 s

0/100

10%

Network Requests Diagram

cooperhewitt.org

199 ms

www.cooperhewitt.org

211 ms

www.cooperhewitt.org

202 ms

colorbox.css

19 ms

style.min.css

25 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 53% of them (45 requests) were addressed to the original Cooperhewitt.org, 7% (6 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Pixel.sojern.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Cooperhewitt.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.2 kB (3%)

Content Size

3.7 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cooperhewitt.org 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. Cooper Hewitt images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 47.1 kB

  • Original 205.8 kB
  • After minification 205.8 kB
  • After compression 158.7 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 47.1 kB or 23% of the original size.

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. Cooperhewitt.org 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 Cooper Hewitt. 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

Accessibility Review

cooperhewitt.org 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

cooperhewitt.org 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

cooperhewitt.org 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 Cooperhewitt.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 Cooperhewitt.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

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