Access cckn.net. International Institute for Sustainable Development

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value2,460 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

cckn.net

135 ms

www.iisd.org

393 ms

css

40 ms

0db7d48973.js

61 ms

align.module.css

68 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cckn.net, 92% (115 requests) were made to Iisd.org and 5% (6 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (567 ms) relates to the external source Iisd.org.

Content Size

2.4 MB

After Optimization

2.0 MB

In fact, the total size of Cckn.net main page is 2.4 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. 65% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 91.8 kB

Original 107.8 kB
After minification 95.5 kB
After compression 16.0 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. This page needs HTML code to be minified as it can gain 12.3 kB, which is 11% 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 91.8 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 280.8 kB

Original 2.2 MB
After minification 1.9 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, Cckn needs image optimization as it can save up to 280.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 3.5 kB

Original 61.8 kB
After minification 61.6 kB
After compression 58.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-18%

Potential reduce by 6.3 kB

Original 34.3 kB
After minification 31.8 kB
After compression 27.9 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. Cckn.net needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 18% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cckn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 52 to 1 for CSS and as a result speed up the page load time.