Access cse.lehigh.edu. Computer Science & Engineering | P.C. Rossin College of Engineering & Applied Science

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value35.2 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value3,820 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.382

27/100

15%

TTI (Time to Interactive)

Value30.5 s

0/100

10%

cse.lehigh.edu

46 ms

www.cse.lehigh.edu

84 ms

cse

80 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

15 ms

css_FiW89SDHVF31YDLjL9hrhne2dSYqdRXd2QpBqnrKFX4.css

28 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cse.lehigh.edu, 58% (35 requests) were made to Engineering.lehigh.edu and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (950 ms) relates to the external source App.heyhalda.com.

Content Size

3.8 MB

After Optimization

3.3 MB

In fact, the total size of Cse.lehigh.edu main page is 3.8 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. 75% 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 31.2 kB

Original 41.2 kB
After minification 37.8 kB
After compression 10.0 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 31.2 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 395.9 kB

Original 3.4 MB
After minification 3.0 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, Cse Lehigh needs image optimization as it can save up to 395.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 77.3 kB

Original 316.3 kB
After minification 316.1 kB
After compression 239.0 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 77.3 kB or 24% of the original size.

CSS Optimization

-0%

Potential reduce by 85 B

Original 101.3 kB
After minification 101.3 kB
After compression 101.2 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. Cse.lehigh.edu has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cse Lehigh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.