Access web.cas.org. Empowering Innovation & Scientific Discoveries

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value3,910 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

web.cas.org

109 ms

www.cas.org

2422 ms

cas-org.dd3b4ecc0.min.css

67 ms

api.js

84 ms

osano.js

332 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Web.cas.org, 33% (16 requests) were made to Cdn.prod.website-files.com and 8% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cas.org.

Content Size

1.6 MB

After Optimization

1.4 MB

In fact, the total size of Web.cas.org main page is 1.6 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. Javascripts take 810.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 48.8 kB

Original 63.0 kB
After minification 62.6 kB
After compression 14.2 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 48.8 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 4 B

Original 654.5 kB
After minification 654.5 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. Web CAS images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 154.9 kB

Original 810.4 kB
After minification 810.4 kB
After compression 655.4 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 154.9 kB or 19% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

Original 62.8 kB
After minification 62.8 kB
After compression 62.8 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. Web.cas.org has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web CAS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.