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physical-sciences.uchicago.edu screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

physical-sciences.uchicago.edu

Physical Sciences Division | The University of Chicago

Page Load Speed

860 ms in total

First Response

27 ms

Resources Loaded

537 ms

Page Rendered

296 ms

physical-sciences.uchicago.edu screenshot

About Website

Click here to check amazing Physical Sciences U Chicago content for United States. Otherwise, check out these important facts you probably never knew about physical-sciences.uchicago.edu

The UChicago Physical Sciences Division fosters an inclusive and creative research environment and shapes the next generations of scientists and mathematicians.

Visit physical-sciences.uchicago.edu

Key Findings

We analyzed Physical-sciences.uchicago.edu page load time and found that the first response time was 27 ms and then it took 833 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

physical-sciences.uchicago.edu performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.533

14/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

physical-sciences.uchicago.edu

27 ms

physical-sciences.uchicago.edu

22 ms

physicalsciences.uchicago.edu

71 ms

js

83 ms

4a74b7d6-cd9a-4ec5-b629-35c1dbbfe199.css

97 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Physical-sciences.uchicago.edu, 58% (21 requests) were made to D3qi0qp55mx5f5.cloudfront.net and 14% (5 requests) were made to Cdn.fonts.net. The less responsive or slowest element that took the longest time to load (187 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (49%)

Content Size

3.1 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Physical-sciences.uchicago.edu main page is 3.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 15.1 kB

  • Original 19.9 kB
  • After minification 17.8 kB
  • After compression 4.8 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 15.1 kB or 76% of the original size.

Image Optimization

-51%

Potential reduce by 1.5 MB

  • Original 2.8 MB
  • After minification 1.4 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, Physical Sciences U Chicago needs image optimization as it can save up to 1.5 MB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 43.1 kB

  • Original 165.7 kB
  • After minification 165.7 kB
  • After compression 122.7 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 43.1 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 80 B

  • Original 60.0 kB
  • After minification 60.0 kB
  • After compression 60.0 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. Physical-sciences.uchicago.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (22%)

Requests Now

27

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physical Sciences U Chicago. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

physical-sciences.uchicago.edu

physical-sciences.uchicago.edu

27 ms

physical-sciences.uchicago.edu

physical-sciences.uchicago.edu

22 ms

physicalsciences.uchicago.edu

physicalsciences.uchicago.edu

71 ms

js

js

83 ms

4a74b7d6-cd9a-4ec5-b629-35c1dbbfe199.css

4a74b7d6-cd9a-4ec5-b629-35c1dbbfe199.css

97 ms

site.css

site.css

17 ms

modernizr.min.js

modernizr.min.js

49 ms

jquery.min.js

jquery.min.js

52 ms

jquery-ui.min.js

jquery-ui.min.js

58 ms

8070e183dd.js

8070e183dd.js

93 ms

core-min.js

core-min.js

46 ms

fbevents.js

fbevents.js

187 ms

shield.svg

shield.svg

125 ms

data_psd.svg

data_psd.svg

62 ms

Langlands_1430x600.jpg

Langlands_1430x600.jpg

71 ms

Multitasking_1430x600.jpg

Multitasking_1430x600.jpg

122 ms

Webb_1430x600.jpg

Webb_1430x600.jpg

121 ms

dark_matter_1430x600.jpg

dark_matter_1430x600.jpg

126 ms

XENONnT_slider.png

XENONnT_slider.png

135 ms

website.png

website.png

130 ms

transparent.gif

transparent.gif

120 ms

uchicago_wordmark_maroon-transparent.svg

uchicago_wordmark_maroon-transparent.svg

123 ms

GothamLight_normal_normal.woff

GothamLight_normal_normal.woff

68 ms

GothamBook_normal_normal.woff

GothamBook_normal_normal.woff

132 ms

ss-symbolicons-block.woff

ss-symbolicons-block.woff

126 ms

GothamExtraLight_normal_normal.woff

GothamExtraLight_normal_normal.woff

136 ms

GothamMedium_normal_normal.woff

GothamMedium_normal_normal.woff

135 ms

ss-social-regular.woff

ss-social-regular.woff

124 ms

prev.png

prev.png

82 ms

next.png

next.png

81 ms

loading.gif

loading.gif

81 ms

close.png

close.png

82 ms

moon_atmosphere_300px-2.jpg

moon_atmosphere_300px-2.jpg

74 ms

McNamara_Award_300px.jpg

McNamara_Award_300px.jpg

76 ms

Chameleon_300px.jpg

Chameleon_300px.jpg

75 ms

psiquantum_300px.jpg

psiquantum_300px.jpg

76 ms

Accessibility Review

physical-sciences.uchicago.edu accessibility score

100

Accessibility Issues

Best Practices

physical-sciences.uchicago.edu best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

physical-sciences.uchicago.edu SEO score

83

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

Links do not have descriptive text

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 Physical-sciences.uchicago.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 Physical-sciences.uchicago.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

physical-sciences.uchicago.edu

Open Graph description is not detected on the main page of Physical Sciences U Chicago. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: