Access physical-sciences.uchicago.edu. Physical Sciences Division

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%

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.

Content Size

3.1 MB

After Optimization

1.6 MB

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 Now

After Optimization

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.