Access cdi.manchester.ac.uk. Centre for Digital Development

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

cdi.manchester.ac.uk

802 ms

www.cdd.manchester.ac.uk

1025 ms

main-35.min.CSSO.css

1068 ms

subdomain-03.min.css

1001 ms

accordion-05.min.css

1005 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Cdi.manchester.ac.uk, 64% (25 requests) were made to Assets.manchester.ac.uk and 10% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Assets.manchester.ac.uk.

Content Size

274.7 kB

After Optimization

237.1 kB

In fact, the total size of Cdi.manchester.ac.uk main page is 274.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 112.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.0 kB

Original 30.7 kB
After minification 29.0 kB
After compression 6.7 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 24.0 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 12.8 kB

Original 112.8 kB
After minification 100.0 kB

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, Cdi Manchester needs image optimization as it can save up to 12.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 330 B

Original 100.3 kB
After minification 100.3 kB
After compression 99.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 495 B

Original 30.9 kB
After minification 30.9 kB
After compression 30.4 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. Cdi.manchester.ac.uk has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdi Manchester. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.