Access yorkshirecancerresearch.org.uk. Yorkshire Cancer Research

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

yorkshirecancerresearch.org.uk

173 ms

yorkshirecancerresearch.org.uk

521 ms

main.css

488 ms

lity.min.css

89 ms

cookieconsent.min.css

116 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 34% of them (18 requests) were addressed to the original Yorkshirecancerresearch.org.uk, 19% (10 requests) were made to Cdnjs.cloudflare.com and 11% (6 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (835 ms) belongs to the original domain Yorkshirecancerresearch.org.uk.

Content Size

4.4 MB

After Optimization

2.9 MB

In fact, the total size of Yorkshirecancerresearch.org.uk main page is 4.4 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. 45% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 153.0 kB

Original 175.9 kB
After minification 172.8 kB
After compression 22.9 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 153.0 kB or 87% of the original size.

Image Optimization

-22%

Potential reduce by 801.4 kB

Original 3.6 MB
After minification 2.8 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, Yorkshire Cancer Research needs image optimization as it can save up to 801.4 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 213.8 kB

Original 296.3 kB
After minification 283.8 kB
After compression 82.4 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 213.8 kB or 72% of the original size.

CSS Optimization

-100%

Potential reduce by 353.5 kB

Original 354.6 kB
After minification 1.3 kB
After compression 1.1 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. Yorkshirecancerresearch.org.uk needs all CSS files to be minified and compressed as it can save up to 353.5 kB or 100% of the original size.

Requests Now

After Optimization

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yorkshire Cancer Research. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.