Access tu4dublin.ie. TU Dublin | Technological University Dublin

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.332

34/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

tu4dublin.ie

321 ms

www.tudublin.ie

724 ms

main.min.css

56 ms

t4extras.css

378 ms

inhouse.css

384 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tu4dublin.ie, 40% (23 requests) were made to Pxl-tudublinie.terminalfour.net and 34% (20 requests) were made to Tudublin.ie. The less responsive or slowest element that took the longest time to load (933 ms) relates to the external source Pxl-tudublinie.terminalfour.net.

Content Size

2.3 MB

After Optimization

1.7 MB

In fact, the total size of Tu4dublin.ie main page is 2.3 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. 65% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 51.0 kB

Original 59.7 kB
After minification 50.4 kB
After compression 8.6 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. This page needs HTML code to be minified as it can gain 9.2 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 51.0 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 30.7 kB

Original 1.5 MB
After minification 1.5 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. TU 4 Dublin images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 186.1 kB

Original 389.7 kB
After minification 384.9 kB
After compression 203.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 186.1 kB or 48% of the original size.

CSS Optimization

-88%

Potential reduce by 319.6 kB

Original 363.2 kB
After minification 278.0 kB
After compression 43.6 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. Tu4dublin.ie needs all CSS files to be minified and compressed as it can save up to 319.6 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TU 4 Dublin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.